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39 Cards in this Set
- Front
- Back
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A steel tube has an outside diameter of 15 cm, an inside diameter of 13 cm, and is 3.7 m long. The volume of the steel contained in the tube in cubic cm is
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16,273
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Calculate the volume of a cylindrical tank 7.000 m in diameter and 9.000 m in length. Give the answers in cubic metres and cubic decimetres. (Round to 3 decimal places)
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346.361
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Calculate the mass of water in kg and tonne contained in a rectangular tank with the following inside dimensions:
width of 8.400 metres height of 13.000 metres length of 11.000 metres (Round answers to 3 decimal places) Answers: |
1,201,200.000 kg
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Calculate the mass of water in kg and tonne contained in a rectangular tank with the following inside dimensions:
width of 3.400 metres height of 15.800 metres length of 5.200 metres (Round answers to 3 decimal places) Answers: |
279344.000
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A driving gear has 60 teeth and turns at 750 rpm. The driven gear has 90 teeth. What is the speed of the driven gear in rpm?
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500
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If 8 – 20 litre pails of boiler chemical cost $1650, what is the cost of 55 litres?
answer = _______ dollars |
567.19
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A simply supported beam is 3.000 metres long and has a force of 290.000 newtons acting at 2.000 metres from the left hand support. Find the load on the right hand support. (Round off to 3 decimal places)
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193.333
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A machine is used to lift a load of 12 kN and the effort applied is 4 kN. What distance will the load move if the effort moved a distance of 8 m and the efficiency of the machine is 70%?
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1.8667 m
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An effort of 3 kN is required to move a mass of 2,000 kg in a certain simple machine. If the mass is raised 1.5 m while the effort moves 12 m find the velocity ratio (VR), the actual mechanical advantage (MA), and the efficiency (EFF) of the machine.
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VR = 8, MA = 6.54, EFF = 81.8 %
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A simple wheel and axle has a wheel diameter of 3 m and an axle diameter of 25 cm. What effort is required to raise 850 kg if the efficiency is 87%?
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798.7 N
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Find the magnitude and direction of 3 coplanar forces of:
i) 40 N 45 degrees east of south ii) 10 N west iii) 70 N 35 degrees east of north |
65 N 65 degrees east of north
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Find the magnitude of the resultant of the following series of vectors.
120 N , North 190 N , 60 degrees East of North 70 N , 10 degrees East of South 150 N , 45 degrees South of West |
80
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Which of the following statements about acceleration is true? Acceleration is:
A)time / velocity B)force / time C)the rate of change of displacement D)time / force E)the result of an unbalanced force exerted on a body |
E
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A train traveling at a speed of 150 km/h decelerates for 15 seconds. During that time it travels 400 m.
a. What is the acceleration ? = m/s2 b. What is its speed after deceleration ? = km/h |
a. -2.000
b. 42 |
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A pump is required to raise 600 litres of fresh water a vertical distance of 120 m. If the efficiency of the pump is 45%, how much work must be done on the pump to raise the water?
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1570 kJ
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Calculate the power required, to pump 50000 litres of water per minute to a vertical height of 72 m.
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588.6 kW
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An object is allowed to free fall from rest from a height of 9 m. What will be its velocity on striking the ground?
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13.29 m/s
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A pressure of 150.000 kPa acts upon a 24.000 cm diameter piston. Calculate the total force exerted upon the piston. (Round the answer to 3 decimal places)
Answer in N |
6785.856
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In the case of static friction if the downward force between the surfaces is doubled then the friction force will:
A)decrease by half B)remain constant C)increase by twice as much D)be eliminated E)none of the above |
c
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Regarding the equation μ = FF/RN, which statement is correct?
A)The unit for μ is kg m/sec2 B)This equation can only be used for kinetic friction. C)The values for FF and RN must be measured at right angles to each other. D)The coefficient of friction is constant for a specific material. E)Friction force equals Reaction normal minus the applied force. |
c
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Calculate the mass of a block if a force of 14.000 N is required to keep it sliding on a horizontal surface. The coefficient of friction is 0.480 (Round to 3 decimal places)
kg |
2.973
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Determine the force required to just start a car moving when the mass of the car is 1.000 tonnes and coefficient of static friction is 0.100 (Round the answer to 3 decimal places) in Newtons
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981
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A hole 3 cm in diameter is to be punched out of a steel plate 8 cm thick. The shear stress of the material is 670 GPa. What load is required on the punch?
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5,051.6 MN
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What is the factor of safety of a steel hanger having an ultimate strength of 550.000 MPa and supporting a load of 76000.000 N. The steel hanger in question has a cross sectional area of 6.100 cm2.
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4.414
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A steel bar has a rectangular cross section measuring 2.000 cm by 2.000 cm and is 9.600 m in length. A load of 151000.000 N causes the bar to extend 1.600 mm. Calculate the stress and strain produced.
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Stress: 377,500.000
Strain: 0.000167 |
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The ultimate strength of a round steel rod is 550.000 MPa. If a factor of safety of 3.000 is required, what is the maximum permissible load for the rod if it has a diameter of 7.300 cm? in kN
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767.321
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A __________ is a four sided figure having no two sides parallel.
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trapezium
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A cylindrical tank 0.500 m in diameter and 3.000 m long, is filled with water at a temperature of 15.000 degrees Celsius. Find the quantity of heat required to raise the temperature of the water to 75.000 degrees Celsius. (Use specific heat of water = 4.2 kJ/kg/degree c)
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148,440.600
m3 = 1000kg |
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A memo paragraph should not exceed:
A)three to four lines B)eight to ten lines C)five to eight lines D)twelve lines E)five lines |
B
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For containers of less than 100ml, which of the following are required?
1. high risk phrases 2. the hazard symbol for acute toxicity 3. the distinct WHMIS border 4. the product identification 5. one of the 8 hazard symbols |
3,4,5
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As an exception, products at the workplace destined for export require:
A)a workplace label only B)a supplier label only C)no labels since they fall under TDG D)both a workplace label and a supplier label E)a material safety data sheet |
a
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Work permits issued to work on isolated equipment require the signature of:
A)the shift foreman B)the isolator and the worker involved C)the Plant Manager D)the Operating Department E)the Maintenance Department |
b
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When isolating a steam turbine driven centrifugal pump you should first:
A)open the breaker B)close the turbine exhaust steam valve C)close the pump suction valve D)close the high pressure steam supply valve E)open the turbine casing drain |
d
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Confined space entry will apply to areas which lack:
A)ambient air temperatures B)proper lighting C)proper air ventilation D)a simple means of entry E)sufficient space for a man to enter |
c
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The serial number of a cylinder cannot be duplicated and is registered and maintained by the:
A)Department of Transport B)Canadian Transport Commission C)Boilers and Pressure Vessels Committee D)Bureau of Explosives E)Canadian Standards Association |
d
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Methane when combined with air has a flammable limit of between:
A)4.3 - 45.5% B)0.7 - 5.0% C)1.1 - 7.5% D)2.2 - 9.5% E)5.0 - 15.0% |
e
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Hoses used for loading and unloading of LPG products must be hydrostatically tested:
A)after every use B)prior to initial sale to the customer C)annually D)when the first visual sign of deterioration appears E)every three years |
c
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Standpipes for risers of less than 30 m are usually:
A)NPS51 mm pipe B)NPS 102 mm pipe C)NPS 152 mm pipe D)NPS 203 mm pipe E)NPS 254 mm pipe |
b
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In a manufacturing process, the finished product containers are labelled depending on their:
A)colors B)weights C)final destination D)locations E)materials of construction |
c
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