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139 Cards in this Set
- Front
- Back
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The most important reason for being alert to a hazard is so? |
You will have time to plan your escape if the hazard becomes an emergency. |
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You are driving at 50 miles per hour the driving conditions are ideal ( dry pavement, good visibility). What is the least amount of space that you should keep in front of your vehicle to be safe? |
5 seconds |
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You are driving a new bus with a manual transmission. What gear will you probably have to use on long steep downhill grade? |
A lower gear than you would use to climb the hill |
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You are driving a vehicle that could safely be driven at 55 miles per hour on an open road. But traffic is now heavy, moving at 35 miles per hour though the speed limit is 55. The safest speed for your vehicle is most likely? |
35 miles per hour |
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While driving, you see a small 1 foot square cardboard box ahead in your lane you should? |
Steer around it without making a sudden or unsafe move |
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Which of these statements is a good rule to follow when backing up your vehicle? |
Use a helper whenever possible |
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Immediately after a long, hot drive, you check air pressure in t)a tire and it is 5 pounds high you should? |
Recheck the pressure after the tire cools |
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Which of these items is checked in a pre trip inspection? |
Weather all vehicle lights are working and are clean, wiper blades, emergency exits. |
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Where or when should you test the stopping action of your service brakes? |
When moving at 5 miles per hour |
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Which of these can cause a vehicle to skid? |
Over acceleration |
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What is counter steering |
Turning the wheel back in the other direction after steering to avoid a traffic emergency |
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High beams should be |
Used when it is safe and legal to do so |
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Which of these statements about marking a stop vehicle is true |
If the hill or curve keeps drivers behind you from seeing the vehicle within 500 feet, the rear reflective triangle should be moved back down the road to give adequate warning. |
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You are driving in the right lane of a four-lane undivided road you come over a hill and find a car stop that ahead in your lane. You do not have room to stop and the hill is blocking your view to the rear. The shoulder is clear which of these is most like the best action to take? |
Steer to the right |
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It is illegal to drive the CMV with alcohol blood content of what percent? |
.04 |
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You will lose your CLP or CDL for at least one year for the first offense for |
Driving a CMV if your blood alcohol concentration is .04% or higher |
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You will lose your CLP or CDL for 60 days if |
You have committed two serious traffic violations within a three year period involving the CMV |
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You will lose your CLP or CDL for 120 days if |
If you have committed 3-series traffic violations within 3 year involving a CMV |
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How much tire tread depth do you need on the front tire and other tires for the tire to still be good? |
4/32 inch tread depth for front tire and 2/32 inch tread depth for other tires |
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Are ReGrooved recap or retread tires on the front wheels of the bus allowed? |
No they are prohibited |
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What should you do before entering a curve |
Slow down to a safe speed, and down shift to the right gear before entering the curve. this lets you use some power through the curve to help the vehicle be more stable while turning it also allows you to speed up as soon as you are out of the curve. |
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Some vehicles have retarders what are retarders? |
Retarders help slow a vehicle, reducing the need for using your break. They reduce brake wear and give you another way to slow down. |
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What is one thing to be cautious of when using retarders? |
When your drive wheels have poor traction, the retarder me call them to skin. Therefore you still turn the retarder off whatever the road is wet, icy, or snow covered. |
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You can see a marking on a vehicle ahead of you. The marking is a red triangle with an orange center what does this marking mean |
It may be a slow moving vehicle |
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How far ahead should a good driver look |
Most good drivers look 12 to 15 seconds ahead. At lower speeds that's about one block at highway speeds it's about a quarter of a mile. |
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When driving through a work zone, you should |
Drive slowly use your brake lights to warn drivers behind you and turn on your flashers |
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What do good drivers also do |
Good drivers shift their attention back and forth near and far. |
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You should stop driving after how many hours |
Whenever you become sleepy |
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Which of these statements about drugs is true A. The driver can use any prescription drug while driving B. Use of drugs can lead to accidents and or arrest C. In bed means that pills or beanies can be used to help the driver stay alert D. All of the above |
B. Use of drugs can lead to accidents and or arrest |
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Which of these statements about using turn signals is true A. You should use your turn signals to mark your vehicle when it is pulled off on the side of the road B. When turning, you should cancel the signal before you make the turn C. You do not need to use a signal when changing lanes and traffic on a four lane highway D. When turning you should signal early |
D. When turning you should signal early |
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You must exit of highway using an off ramp that curves downhill. You should: A. Come to a full stop at the top of the rampB. Wait until you are in the curve before downshiftingC. Slow down to a safe speed before the curveD. Slow down to the posted speed limit for the off ramp |
C. Slow down to a safe speed before the curve |
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You are driving the heavy bus with a manual transmission. You have to stop the vehicle on the shoulder while driving on an upgrade. Which of these is a good rule to follow when putting it back in motion up the grade
A. But the vehicle go straight backwards a few feet before you engage the clutch B. Let the vehicle roll backwards a few feet before you engage the clutch but turn the wheels so that the back moves away from the roadway C. Keep the clutch slipping while slowly accelerating D. Use the parking brake to hold the vehicle until the clutch in engages |
D. Use the parking brake to hold the vehicle until the clutch in engages |
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Of the blood alcohol concentration BAC goes up what happens
A. Judgment and self control are affected B. The drinker can sober up in less time C. The drinker more clearly sees how alcohol is affecting him / her D. The effects of alcohol decreases |
A. Judgment and self control are affected |
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When looking ahead of your vehicle while driving, you should look: A. To the right side of the road B. To the left side of the road C. Back and forth near and far D. Straight ahead at all times
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C. Back and forth near and far far
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When the roads are slippery, you should: A. Make turns as carefully as possible B. Stop and tested traction while going up hills C. decrease the distance that you look ahead of your vehicle D. Drive along side of the vehicles |
A. Make turns as carefully as possible |
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Which of these is a good thing to remember about using mirrors A. You should look at a mirror for several seconds at a time B. Convex mirrors make things look larger and closer than they really are C. There are blind spots that your mirror cannot show you D. You should check your mirrors twice before making a lane change |
C. There are blind spots that your mirror cannot show you |
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Which of these is a good thing to do when driving at night A. Wear sunglasses B. Keep your instrument lights bright C. Keep your speed slow enough that you can stop within the range of your headlights D. Look directly at oncoming headlights only briefly |
C. Keep your speed slow enough that you can stop within the range of your headlights |
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Which of these is a sign of tire failure A. Vibration B. The loud bang C. Steering that feels heavy D. All of the above |
D. All of the above |
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Your vehicle is in a traffic emergency and making love with another vehicle if you do not take action which statement is true A. Leaving the road is always more risky than hitting another vehicle B. Unbuckle your safety belt before impact so you will not be trapped inside the vehicle C. You can always turn to miss an object more quickly then you can stop D. Stopping is always the safest action in a traffic emergency |
C. You can always turn to miss an object more quickly then you can stop |
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What should you do when your vehicle hydroplanes A. Accelerate slightly B. Countersteer hard C. Release the accelerator D. Start stab braking |
C. Release the accelerator |
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You are testing the stopping action of service brakes on a hydraulic system. Which of these can mean there is a problem A. The brake pedal feels unusual B. The vehicle pulls to one side when the brake pedal C. Stopping action is delayed D. All of the above |
D. All of the above |
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To avoid a crash you had to drive onto the right shoulder. You are now driving at 40 miles per hour on the shoulder. What should you do next to move back onto the roadway A. Keep moving at the present speed and steer very gently back onto the roadway B. If the shoulder is clear stay on it until your vehicle comes to a stop C. Brake hard to slow the vehicle then steer sharply onto the roadway D. Steer sharply onto the roadway didn't brake hard as you counter steer |
B. If the shoulder is clear stay on it until your vehicle comes to a stop |
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While driving, ice buildup on your wipers and they no longer clean the windshield you should A. Keep driving and spray the windshield with washer fluid B. Stop safely and fix the problem C. Keep driving and turn the wipers off D. Keep driving and turn your defroster on |
B. Stop safely and fix the problem |
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Which of these is the most important thing to remember about emergency braking A. If the wheels are skidding you cannot control the vehicle B. Never do it without downshifting first C. It helps to keep the brake linings clean D. Disconnecting the steering axle brakes will help keep your vehicle in a straight line during emergency braking |
A. If the wheels are skidding you cannot control the vehicle |
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Which of the statements about cold weather driving is true A. Exhaust system leaks are less dangerous in cold weather B. In snow storms wiper blades should be adjusted so they do not make direct contact with the windshield C. The engine cannot overheat when the weather is very cold D. Windshield washer antifreeze should be used |
D. Windshield washer antifreeze should be used |
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The road you are driving on becomes very slippery due to glare ice. Which of these is a good thing to do in such a situation A. Stop driving as soon as you can safely do so B. Downshift to stop C. Apply the brakes often to keep the lining dry D. Keep varying your speed by accelerating and braking |
A. Stop driving as soon as you can safely do so |
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For your safety when sitting out reflective triangles you should. A. Turn off your flashers B. Carry triangles at your side C. Hold the triangles between yourself and oncoming traffic D. Keep them out of sight while you're walking to the spot where you want to place them |
C. Hold the triangles between yourself and oncoming traffic |
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Hydroplaning A. Is more likely if tire pressure is low B. Only occurs when there is a lot of water C. Only occurs at speeds above 50 miles per hour D. Cannot occur when driving through a puddle |
A.Is more likely if tire pressure is low |
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You should avoid driving through deep puddles or flowing water. But if you must which of these steps can help you keep your brakes working A. Driving through quickly B. Gently applying pressure on the brakes while driving through the water C. Applying hard pressure on both the brake pedal and accelerator after coming out of the water D. Turning on your brake heaters |
B. Gently applying pressure on the brakes while driving through the water |
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You must park on the side of a level, straight, two lane road. Where should you place the reflective triangles A. One within 10 feet of the front of the vehicle one about 200 feet to the front and one about 100 feet to the rear B. One within 10 feet of the rear of the vehicle one about 100 feet to the rear and one about 200 feet to the rear C. One within 10 feet to the rear of the vehicle one about 100 feet to the rear, and one about 100 feet to the front of the vehicle D. What about 50 feet to the rear of the vehicle one about 100 feet to the rear and one about wonder feet to the front of the vehicle |
C. One within 10 feet to the rear of the vehicle one about 100 feet to the rear, and one about 100 feet to the front of the vehicle |
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Going to the drivers manual why should you limit the use of your horn A. It can startle other drivers B. On vehicles with air brakes it can use air pressure that may be needed to stop C. The horn is not a good way to let others know you are there D. You should keep both hands tightly gripping the steering wheel at all times |
A. It can startle other drivers |
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Which of these is the proper use of vehicle lights A. Turning on your headlights during the day when visibility is reduced due to rain or snow B. Flashing your brake lights to warn someone behind you that you are going to stop on the road C. Flashing your brake lights to warn someone behind you of a hazard that will require slowing down D. All of the above |
D. All of the above |
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Your blood alcohol content is determined by which of the following A. Your weight B. The amount of alcohol you drink C. How fast you drink D. All of the above |
D. All of the above |
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What is the proper way to hold the steering wheel A. With both hands close together near the bottom of the wheel B. With both hands on opposite sides of the wheel C. With one hand D. Put both hands close together, near the top of the steering wheel |
B. With both hands on opposite sides of the wheel |
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Which of these statements about speed management is true A. When the road is slippery it will take longer to stop and it will be harder to turn without getting B. On a wet road Houston reduce your speed by about one third C. Unpacks know you should reduce your speed by one half D. All of the above |
D. All of the above |
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On which fire can you use the ABC fire extinguisher A. Electrical fires B. Burning liquids C. Burning cloth D. All of the above |
D. All of the above |
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When should you wear seatbelts A. Only when traveling on the highway B. Only when engaging in interstate commerce C. Anytime you are in a moving vehicle D. Leah states where it is required by law |
C. Anytime you are in a moving vehicle |
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Which of these is good thing to remember when crossing or entering traffic with a heavy vehicle A. The heavier you load the smaller the gap needed to cross the traffic B. Because heavy vehicles are easy to see you can count on other drivers to move out of your way or slow down for you C. Heavy vehicles need large gaps in traffic than cars D. The best way to cross traffic is to pull the vehicle part of the way across the road and block one lane while waiting for the other lane to clear |
C. Heavy vehicles need large gaps in traffic than cars |
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The driver's manual suggest several things to do when you pass a vehicle. Which of these is not one of them A. Assume the other driver does not see you B. Lightly tapping your horn C. At night turn on your high beams before you start to pass and leave them on until you have completely passed the vehicle D. Drive carefully to avoid a crash |
C. At night turn on your high beams before you start to pass and leave them on until you have completely passed the vehicle |
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Which of these statements about drinking alcohol is true A. Not everyone who drinks is affected by alcohol B. Coffee and fresh air will help a drinker sober up C. A few beers have the same effect on driving as a few shots of whiskey or a few glasses of wine D. All of the above |
C. A few beers have the same effect on driving as a few shots of whiskey or a few glasses of wine |
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You are driving a vehicle at 55 miles per hour on dry pavement. About how much total stopping distance will you need to bring it to a stop A. The length of a football field B. The length of the vehicle C. Twice the length of the vehicle D. Half the length of a football field |
A. The length of a football field |
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Which of these statements about managing space is true A. Many accidents are caused by drivers keeping too much space in front of their vehicles B. Smaller vehicles require more space to stop than larger ones C. When the road is slippery you need much more space to stop D. All of the above |
C. When the road is slippery you need much more space to stop |
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Every time you leave your vehicle you should A. Turn the steering wheel as far to the left as you can B. Leave it in gear (if it has a manual transmission). C. Apply the parking brake D. Do all of the above |
C. Apply the parking brake |
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Brake fade A. Is a problem that only occurs with drum brakes B. Can be caused by brakes getting very hot C. Can be corrected by the way up on the brakes for 1 to 2 seconds and then reapplying them D. All of the above
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B. Can be caused by brakes getting very hot |
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Which of these statements about managing space to the side of your bus is true A. You should avoid traveling next to others when possible B. You should keep your bus to the right side of your lane C. Celine position of buses is not affected by wind D. All of the above are true |
A. You should avoid traveling next to others when possible |
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Which of these should be considered a hazard A. An ice cream truck B. The driver signaling a turn C. A blind intersection D. All of the above |
D. All of the above |
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If your bus has an emergency exit door it must: A. Be free to open for fresh air B. Be closed when operating the bus C. Always have a red door D. Me all of the above |
B. Be closed when operating the bus |
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Which of the following types of cargo can never be carried on the bus A. Small arms ammunition labeled ORM-D B. Emergency drug shipments C. Irritating materials or tear gas D. All of the above |
C. Irritating materials or tear gas |
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Under Article 19 - 8 of the vehicle and traffic law in part 6 of the Commissioner's regulations, bus drivers who receive notice that their license permit or privilege to operate a motor vehicle has been suspended remote or withdrawn, must notify the motor carrier that employs them A. Within 5 business days of the following day they receive the notice B. Within one week / following day they received the notice C. By the end of the business day following the day to receive the notice D. Only if it involves a drinking or drug offense or motor vehicle accident |
C. By the end of the business day following the day to receive the notice |
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To stop for railroad tracks, a bus drivers should stop ____ to____ feet before the nearest track. A. 5;20 B.10;35 C.15:50 D.20;65 |
C.15:50 |
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You are driving on a slippery road during the day how much space does the driver's manual so you should keep ahead of you A. Allow much more space than needed for ideal driving conditions B. Add one second to the space needed in good driving conditions C. Allow one car length for every 10 miles per hour D. The love no more space than you need under ideal conditions |
A. Allow much more space than needed for ideal driving conditions |
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Which of these statements about speed management in breaking is true A. The total stopping distance of a bus is the distance it takes to stop with the brakes are applied B. Supposed to speed limit will always allow you to stop safely C. Stopping time increases one second for each 10 miles per hour over 20 miles per hour D. You need about four times as much stopping distance at 40 miles per hour as at 20 miles per hour |
D. You need about four times as much stopping distance at 40 miles per hour as at 20 miles per hour |
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Which of these statements about seeing ahead is true A. The high-speed usually not more than 1/ 8 mile ahead B. The drivers keep their attention on one place for 12 to 15 seconds at a time C. Many drivers do not look far enough ahead D. All of the above |
C. Many drivers do not look far enough ahead |
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Under Article 1980 of the vehicle and traffic law and part 6 of the Commission's regulations and I'm a bus drivers who are convicted of a traffic infraction must notify the employee of the conviction A. Only when the traffic infraction took place while driving the bus B. Only when the traffic infraction took place in New York State C. Only open division results in suspension or we location of the drivers license privilege D. When it occures in any vehicle in any jurisdiction |
D. When it occures in any vehicle in any jurisdiction |
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You may sometimes all small arms ammunition or emergency hospital supplies on the bus the total weight of all such as this material must not be more then how many pounds A.5 B.50 C.500 D.5000 |
C.500 |
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When you inspect your bus make sure that A. Every other and hold in really is secure B. Emergency exit handles have been removed C. Riders signaling devices are working D. All of the above are true |
C. Riders signaling devices are working |
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Many buses have curved or convex or spot mirrors these mirrors A. Do not need to be checked often because they show a large area B. Are against the law in some states C. Make things seem smaller and farther away than they really D. All of the above |
C. Make things seem smaller and farther away than they really |
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If a rider wants to bring a car battery or a can of gasoline aboard your bus you should A. Put the car battery or gasoline in the cargo compartment B. Not allowed to rider to do it C. Till the writer to sit in the rear of the bus D. Collect an extra fare for this type of cargo |
B. Not allowed to rider to do it |
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Under Article 1980 of the vehicle and traffic law in part 6 of the Commission's regulations bus drivers who are convicted of a traffic infraction must notify their employees of the conviction A. Within one week of the date of violation B. Within 5 working days of the date of conviction C. Within 5 calendar days of the date of violation D. None of the above is correct |
B. Within 5 working days of the date of conviction |
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Which of these statements about hazards is true A. If you can't see any part of another vehicle will soon the driver sees you B. The car with out of state licenses plates is a hazard because that state may not have inspection laws C. Movement inside a parked car could mean that a person is about to step out of it D. All of the above are true |
C. Movement inside a parked car could mean that a person is about to step out of it |
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If there is no traffic light or tendon, stop for a drawbridge about how many feet from the draw A.5 B.25 C.50 D.100 |
C.50 |
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Which of these will result in the best control on curves A. Speed up slightly before cuz then keep speed constant through the curves B. Slow to a speed safe before entering curves then coast through them C. Break all the way through curves D. Slow to a safe speed before entering curves then accelerate slightly through curves |
D. Slow to a safe speed before entering curves then accelerate slightly through curves |
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A bus may carry baggage in free only if secured so A. The driver can move freely and easily B. Artists are protected from falling or shipping packages C. Anybody can use any door or window in an emergency D. All of the above |
D. All of the above |
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The driver will operate a vehicle under Article 1980 of the vehicle and traffic law and who fails to notify his or her employer of a suspension revocation or withdrawal of privileges to operate a motor vehicle within the prescribed time frame is subject to A. A minimum of 5 working days suspension B. A minimum of 10 working days suspension C. The suspension of one day for each day the driver failed to notify the employer up to a maximum of 5 days D. A maximum of 5 working days suspension |
A. A minimum of 5 working days suspension |
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You are driving at night and you must dim your headlights from high to low. What should you do with your speed A. Drop 5 miles per hour until your eyes adjust B. Nothing how will you see should not affect speed C. Slow down D. Speed up |
C. Slow down |
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It is best to wear your seatbelt A. Only if your bus holds more than 27 people B. At all times C. Unless you will not be driving over 35 miles per hour D. Only on sand gravel or ice covered roads |
B. At all times |
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You are driving a 40 foot bus at 30 miles an hour . The road is dry and visibility is good. You should keep a safety space in front of your bus that is at least how many seconds A.8 B.7 C.4 D.3 |
C.4 |
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How many folding aisle seats are allowed in a bus that is not carrying farm workers A.0 B.4 C.6 D.8 |
A.0 |
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According to part 6 of the Commission's regulations the special requirements for bus drivers no person shall consume and intoxicating liquor regardless of its alcohol content within_____hours before going on duty or having physical control of a bus A.4 B.6 C.8 D.10 |
B.6 |
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When you discharge unruly rider you should choose a place that is A. Near a police station B. Isolated so he won't bother others C. As safe as possible D. Convenient for you |
C. As safe as possible |
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When should you check your mirrors for a lane change A. If this signaling the change B. Right After starting the lane change C. After completing the lane change D. All of the above |
D. All of the above |
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Buses may have recapped or ReGrooved tires A. Anywhere except the front tires B. On any or all of the wheels C. Holy wind speeds will be less than 40 miles per hour D. Only on the outside duels |
A. Anywhere except the front tires |
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Which of the following list the three types of emergency equipment that you must have on your bus A. Reflectors, fire extinguishers, tire repair kit. B. Hydraulic jack, fire extinguisher, signal flares C. Fire extinguisher , spare electric fuses less equipped with circuit breakers, reflectors. D. First aid kit, spirit electric uses less equipped with circuit breakers fire extinguisher |
C. Fire extinguisher , spare electric fuses less equipped with circuit breakers, reflectors. |
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According to part 6 of the Commissioner's regulations special requirements for bus drivers no person shall consume a drug or controlled substance within how many hours before going on duty or having physical control of a bus A.24 B.12 C.6 D.4
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C.6 |
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Your bus is disabled. The bus with riders on board, may be towed or pushed to a safe spot to discharge the passengers only if A. The distance is less than 1 mile B. Getting off the bus sooner would be unsafe C. A peace officer or rescue crew is present D. Done by a 27000 pound GVWR or larger tow truck |
B. Getting off the bus sooner would be unsafe |
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You should not let rider stand A. Between the wheels wells B. In front of the standee in line C. What is 2 feet of the emergency exit D. In a space reserved for persons with disabilities |
B. In front of the standee in line |
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If you have riders aboard you should never fuel your bus A. Without a fire bottle between you B. In a closed building C. Without attaching the grounding cable D. With any of the windows open |
B. In a closed building |
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If you must stop on a road or the shoulder of any one way or devided highway road you must put out your emergency warning device within 10 minutes you have to place your warning devices at the following locations |
10 feet 100 feet and 200 feet toward the approaching traffic |
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If you stop on a two-lane road Carrie and traffic in both directions or an undivided highway place one of the devices within the following locations |
10 feet of the front or rear corners to mark the location of the vehicle in 100 feet behind and ahead of the vehicle |
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What is perception distance |
It is from the time your eyes see a hazard until your brain recognizes it |
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What is reaction distance |
It is the distance you will travel Before you physically hit the brakes |
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What is braking distance |
It is the distance your vehicle actually travel in ideal conditions while you are breaking at 55 miles per hour on dry pavement with good brakes it can take about 216 feet |
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When Determining a speed to go down a down grades what 5 things should you consider |
1. Total weight of the vehicle and cargo 2. Length of the grade 3. Steepness of the grade 4. Road conditions 5. Weather |
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How much space should you keep in front of you |
You should keep 10 feet of vehicle space between you at speeds below 40 miles per hour. At greater speeds you must add one second |
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What are the two dangers in traveling alongside other vehicles |
1 Another driver may change lanes suddenly and turn into you 2 you may be trapped when you need to change lanes |
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One of the main reasons they tell you not to drive alongside others if you could avoid it |
Because strong winds can blow you into the other car |
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Tune the height of the vehicle be changed because of cargo |
Yes because if the van is higher than a loaded one |
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Before you back into an area what should you do |
Get out and check for overhanging objects such as trees branches or electrical wires these things are easily missed while you are backing |
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What is a hazard |
Hazard is any road condition or other road user driver, bicyclist, pedestrian that is a possible danger |
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What should you do when driving through a work zone |
Drive slowly and carefully near work zones use your 4 Way flashers or brake lights to warn drivers behind you |
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What is aggressive driving |
Aggressive driving is the act of operating a motor vehicle in a selfish, bold, or pushy manner without regard for the rights or safety of others |
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What is road rage |
Road rage is the emotional state of anger or hostility |
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When should you check your tire pressure |
Every two hours or 100 miles |
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What is a passive Crossing |
The crossing that does not have any type of traffic control device the decision to cross or proceed is entirely in your hands |
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What is the active Crossing |
A crossing with bells and flashing red lights and gates |
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What two things should you do when stopping at a railroad crossing |
1.Check the traffic behind you while stopped and gradually use a pullout lane is available 2. Turn on your four way emergency flashers |
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True or false you should shift gears while crossing railroad tracks |
False |
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If brakes become hot they will start to fade what does this mean |
This means you have to apply them harder and harder to get the same stopping power |
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How far away should you stop your bus before railroad crossings |
Between 15 and 50 feet |
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You should stop at drawbridges that do not have a signal light or traffic control attendant how many feet should you stop before the draw of the bridge |
50 feet |
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True or false if the draw bridge as an attendant or green traffic light you do not need to stop |
True |
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Air brakes really three different braking systems what are they |
Service brake parking brake and emergency brake |
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What does the service brake do |
The service brake applies and releases the brakes when you use the brake pedal during normal driving |
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What does the parking brake do |
Supplies and releases the parking brake when you use the parking brake control |
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What does the emergency brake do |
Emergency brake uses part of the service and parking brake systems to stop the vehicle in a brake system failure |
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What do you have to check on the air compressor before driving |
The oil level |
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True or false the air pressure governor will pump air into the air tanks to the cut-out level which is around 125 pounds per square inch the governor stops the compressor from pumping air when the temperature falls to the cut in pressure around 100 psi the governing laws the compressor to start pumping again |
True |
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True or false it is important to drain the air tanks completely each air tank is equipped with a drain valve in the bottom there are two types |
True |
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What are the two types of air tank drain valves |
Manual you must drain at the end of each day automatic is expelled automatically |
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Some air brake systems have alcohol evaporators to put alcohol into the air system what does this |
This helps reduce the risk of ice in the air brake valves in other parts during cold weather |
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What's the most common type of foundation brakes |
S-cam drum brakes |
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True or false S cam brakes rotate back and a spring pulls the brake shoe away from the drunk |
True |
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Disc brakes are like |
The power screw similar to a c clamp |
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Which brakes are the most common A. Wedge brakes B. Disc brakes C. S-cam brakes |
C. S-cam brakes |
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Supply pressure gauges tell you what |
How much pressure is in the air tanks |
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Application pressure gauge tells you what |
Shows you how much air pressure you are applying to the brakes |
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What is a low air pressure warning |
It is when the air pressure in the air brake tanks falls below 60 psi |
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What are the two types of low brake air pressure warning signals |
Red light buzzer in wig wags |
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Enlarge buses the pressure running light signal comes on at what PSI level |
80-85 psi |
