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96 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Train Interval sheets MUST be filled out in ? |
Pencil |
Pen or Pencil |
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What Type of trains can never be late? |
Extra trains |
They’re not on a timetable. |
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Why can’t an extra train be late? |
Because it’s not on a timetable. |
Timetable. |
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Name the three different type of interval sheets. |
Daily, Saturday, Sunday. |
How the week is broken up in transit. |
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How many different daily interval sheets are there? |
Two. |
Going From Sunday to Monday and Monday to Tuesday. |
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What does the term ADJ stand for? |
Adjustment headways |
What goes in the ADJ column on the interval sheet?
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On an interval sheet what does the term PRTOW column mean? |
Previous Tower |
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On the interval sheet what do you put in the column under PRTOW |
The amount of minutes the previous Tower informed you that that interval will be late. |
Previous Tower informed you of lateness. |
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What does flexing mean? |
A change in scheduled service to provide a Uniform headway due to an ABD |
Adjusting the headway and evenly spacing out the intervals |
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Can you put multiple train Lines on the interval sheet? |
Yes. |
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Can Tower Operator always see the motor number on the train? |
No. |
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Can you flex for more than one hour? |
No. |
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A. How long can you flex? B. From which interval Are you supposed to start flexing from? C. Right after your ABD is the ___________ |
A. One hour. B. The last regular. C. The first regular |
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What is an example of a rerouted Train? |
When a train is sent to another terminal rather than its designated terminal. |
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What is the purpose of the action column on the interval sheet? |
To make note of specific information like lateness or trouble with that interval. |
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What is the definition of one ahead? |
A scheduled interval is ahead of its leader. |
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What is the definition of one behind? |
The scheduled interval is behind it’s follower. |
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How are extra trains noted on the interval sheet? |
EXTR |
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What is the definition of an ABD? |
An ABD is only at a terminal when you’re unable to maintain the scheduled headway resulting in the loss of one or more intervals. |
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In the action column, you must always give the ______ and ________ when recording an ABD on the interval sheet. |
Reason code (Why) And the location (Where the issue occurred) |
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On the work program what does SACT mean? |
Scheduled activity |
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On the work program what does ND mean? |
Night differential |
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Do you get night differential for your entire shift on Saturdays and Sundays? |
Yes. |
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On the work program what does AL mean? |
Allowed time or allocated time |
What you will get paid for that job |
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On the work program what does AC mean? |
Actual time you worked. |
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On the work program what does LR/F mean? |
Lunch relief. |
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What happens to the signals in the field when you have AC power failure ? |
The signals In the field go dark. |
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On the work program what does PTCO mean? |
Part time coverage |
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On the work program what does OH mean? |
Holidays off |
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On the work program what does HH mean? |
The holiday falls on a weekday so you will be working your Saturday or Sunday schedule depending on the order given. |
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How many extra minutes does a tower operator get paid? |
10 minutes |
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If you work a double do you get paid an extra 10 minutes twice? |
No |
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A. A supplement has how many series?
B. What are they? |
A. Three B. Daily Saturday Sunday 1000, 2000, 3000, |
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Where does the Work program originate from? |
The scheduling department of operational planning |
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What does put ins do to headways? |
Make the headways shorter |
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What does layups do to headways? |
Make the headway longer. |
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What is the difference between run time and running time? |
Run time is terminal to terminal and running time is station to station |
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What’s on work program and supplement that’s not on a timetable ? |
Run numbers |
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You should always go _______ after an ABD? |
Regular. |
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Never include the ______ when counting back on the intervals while flexing. |
ABD |
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How can you make note of a interval that’s one ahead or one behind in the action column on your interval sheet. |
1A or 1B |
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What’s the rule for How many intervals you count back when flexing on a headway that’s up to seven minutes? |
Including the regular interval before the ABD, Count backwards the number of intervals equal to the scheduled headway. |
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What’s the rule for How many intervals you count back when flexing on a headway that’s between eight to ten minutes? |
Including the regular interval before the ABD, Count backwards the number of intervals equal to 1/2 of the schedule headway |
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What’s the rule for How many intervals you count back when flexing on a headway that’s twelve or more minutes? |
Including the regular interval before the ABD, Count back one hour. |
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How much voltage is needed to operate the GRS machine, the mini lever machine And the pushbutton machine? |
110 Volts. |
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How much Air pressure is needed to operate the US&S machine and the pushbutton machine? |
70 PSI (Pounds per sq. In.) |
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How much Ammeters are drawn for each switch motor movement on the GRS machine, the mini-lever machine and the pushbutton machine? |
Five amperes |
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Which machine needs voltage (110) and air pressure (70) in order to operate the machine? |
Push button machine |
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If there is a double throw switch how much Amperes are drawn ? |
10 amperes |
Each switch moved draws 5 amperes |
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The purpose of each lever is identified by its color. What is the 1. white lever 2. blue lever 3. red lever 4. black lever 5. Yellow lever |
Master Traffic Signal Switch Spare |
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DC power failure is? |
Loss of 3rd rail power. |
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A. How many positions does the master lever have?
B. What are they?
C. Describe the functions. |
Two. Normal and reverse When the Lever is in normal it is completely in the machine which means the machine is cut out, mechanically locking all the other levers so you won’t be able to move them. When the lever is in reverse it’s completely pulled out of the machine (extended to it’s furthest point) which means the machine is cut in and the other levers can be moved |
Cut in Cut out |
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How to fleet on a GRS & US&S ? |
Leaving the signal lever in the reverse position allowing the trains In that area to take the same route. |
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What is the stick feature |
The Tower Operator must place a signal lever back to the normal position and completely reverse the signal lever to reestablish the route for every train. it does not allow you to leave the signal lever in the reverse position. |
Opposite from fleeting. |
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When do you use the screw emergency release button? |
When there is a track circuit failure on a switch segment. |
Track circuit |
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What goes in the ADJ column on the interval sheet? |
Flexes, Extended headways, supplement times |
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What Machine(s) did the Mini-Lever Machine take over? |
GRS & US&S |
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What machine(s) have the stick feature? |
Only the GRS and US&S machines. |
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How do you fleet on a push button machine? |
Push the Entrance, push the exit then push and turn your entrance in the direction you’re fleeting. |
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What’s the difference between the Mini-Lever & the US&S? |
The US&S operates off of Air |
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What’s the difference between Mini-lever and GRS? |
The GRS has Ammeters and Voltmeters built on top of the machine. |
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GRS has locking ________ |
Dogs |
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US&S has mechanically _____________ ________________ |
Locking devices |
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What is a manipulation chart? |
It has the signal and switch lever movements for that specific machine. |
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A. What machine can a circuit breaker trip? B. What’s the circuit breaker called? |
A. GRS Machine B. Polarized relay |
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What’s the two types of locking mechanisms on the GRS & US&S? Explain each |
Electrical - there is a problem in the field affecting the switch movement. For example a train on the circuit, track circuit failure, stop arm down (frozen/hooked) Mechanical - The TW/O did something wrong causing conflicting moves. |
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A. When the signal lever is in reverse and the signal indication light is illuminated means? B. When the signal lever is in reverse and the signal indication light is not illuminated means?
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A. The track is occupied and the signal is at danger. B. The track is unoccupied and the signal is clear. |
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On the GRS, US&S, and mini lever machines how do you fleet? |
Put the signal lever in the reverse position and leave it there. |
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How do you issue a Call on the push button machine? |
Push Entrance, push call on then push exit. |
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Reasons you would give a call on? |
Track circuit failure Train BIE over the home signal Slow speed move To close in on another train |
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What are the requirements to issue a call on? |
You need a standard home signal Train over hanging the home signal Need to be able to establish a route |
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Why is a lever blocking device used? |
It’s used to cover a signal or switch lever you do not want to be used for any reason. |
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An absolute block? |
No train allowed in that area while another train is occupying that track. |
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Wrong rail means? |
Making a move against the normal direction of traffic without signal protection for a long distance and you need permission from RCC. |
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What’s the procedure to be able to use the emergency screw release? |
P - Permission from RCC A- Assurance about the switch area and a authorized employee checking the switch area to see if it’s cleared / damaged S- All signals leading up to the switch must be put to danger S- Break the seal |
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On a GRS machine if the switch fuse blew and there’s no spare fuse available what do you do? |
Use a fuse from an area on your model board that you’re not using. |
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A. Facing point a train can _________ ?
B. Trailing point a train can _________ ? |
A. Diverge B. Only on one route |
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A point of no return |
If you’re unable to get back to your regular route. |
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_________ protects switches |
Signals |
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Switches are there to send trains on different routes ? True or false |
True |
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A TW/O can control which signals ? |
Home signal Low Home signal Approach signal |
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The faster the allowable speed in that area the _____________? |
Longer the signal block |
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What’s the reason to use the emergency screw release ? |
Track circuit failure over the switch segment. |
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Advanced locking is? |
When a TW/O puts a signal beyond a switch to danger in order to unlock the switch lever. |
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Timetable is? |
The authority of revenue train service |
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The signal can clear light will illuminate when? |
The signal can clear and the track is unoccupied. |
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The signal can clear light is dark when ? |
The track is occupied. |
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Track indication lights are also called ? |
T lights |
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Is there mechanical locking on the push button machine ? |
No. |
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On a push button machine if the Track Indication lights are dark there is no train on the circuit? True or false |
True |
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On the push button machine if there are red T lights on your model board, there’s a train on the circuit or theres a _________ |
Track circuit failure. |
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A string of white lights on a push button machine means ? |
There’s a route established |
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On a push button machine flashing red T lights in a switch segment means? |
Switch in transit |
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What does it mean On the push button machine in the switch segment if there is solid white lights ? |
The switch is locked |
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In order to figure out the distance between signals in the A Division what must you do? |
You must drop the last digit from each number, subtract one from the other and add two zeros. |
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In order to figure out the distance between two signals in the B Division you must? |
You must subtract one from the other and add two zeros. |
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