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Airbrake > AirbrakeFinal > Flashcards

AirbrakeFinal Flashcards

1
Q
  1. What could be the problem when performing a locomotive departure test if the brakes failed to apply on one truck of a locomotive unit?
A

Brake cylinder (truck) cutout cock is closed

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2
Q
  1. When conducting a locomotive departure test, when should the PCS light illuminate on a P-42 or F-59 locomotive?
A

During the emergency brake valve and alerter tests

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3
Q
  1. In non-passenger operations, where is the information regarding total train weight and length recorded?
A

Condition en route section of MAP 1173

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4
Q
  1. The two train line air connections found on Amtrak passenger carrying cars are:
A

Brake pipe and main reservoir supply

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5
Q
  1. When is the main reservoir supply cutout cock considered to be in the open position?
A

When it is crosswise to the main res pipe

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6
Q
  1. When is the angle cock considered in the open position?
A

When it is inline to the brake pipe

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7
Q
  1. In order to supply cars with air pressure and control the application and release of the brakes, what train line connection is necessary?
A

brake pipe

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8
Q
  1. On freight (non-passenger) cars, what causes air pressure to flow from the auxiliary reservoir to the brake cylinder?
A

difference in air pressure

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9
Q
  1. What is the minimum brake pipe pressure required to transmit an emergency application of the brakes?
A

50 psi

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10
Q
  1. What corrective action must be taken if the main reservoir pipe or hose is damaged on a passenger car?
A

close the main res ahead of damaged car

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11
Q
  1. What remedial action must be taken if the main reservoir supply tank is damaged on a passenger car?
A

Close both main reservoir supply and control valve cutout cocks and cutout both brake cylinder cutout cocks

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12
Q
  1. Prior to a change of engine crews, the inbound engineer must complete the appropriate section of the:
A

summary MAP 1173

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13
Q
  1. When making a brake pipe leakage test on a train, after the brake valve exhaust has completely stopped and the maintaining feature has been cut out, what must be done before checking leakage?
A

wait 30 sec

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14
Q
  1. How much brake pipe leakage is permitted when making a TRAIN brake test?
A

5 psi per minute

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15
Q
  1. If cutting out axles on passenger equipment results in less than 85% operative brakes, what procedure must be followed?
A

contact QMP at CNOC for instructions

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16
Q
  1. After any emergency brake application, what air brake test must be conducted before a passenger train may proceed?
A

passenger class II

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17
Q
  1. What is the standard brake pipe pressure used for locomotives in passenger service?
A

110 psi

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18
Q

Locomotive and/or dynamic brake must not be permitted to apply except:

A

when locomotive and/or dynamic brake cannot be released due to equipment configuration

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19
Q
  1. According to AMT-3 instructions, which of the following statements is true regarding an undesired emergency (UDE) brake application?
A

It is acceptable to regulate locomotive brake cylinder pressure

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20
Q
  1. According to AMT-3 instructions, when cutting off passenger cars, which of the following devices is not to be used when placing cars to be left standing in emergency?
A

ABV

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21
Q
  1. When performing switching (yard service), what must be done before moving equipment?
A

ensure hand/parking brakes are realeased

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22
Q
  1. Who controls the air brakes when backing/shoving a train requiring the use of a back up hose/valve?
A

Engineer except when testing the back-up hose or when conditions require and emergency application of the brakes

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23
Q
  1. What is the first course of action to be taken if a train breaks in two?
A

Shut down and isolate HEP (if equipped)

24
Q
  1. What brake test is required after picking up a passenger car that has been off compressed air more than 4 hours?
A

Passenger Class IA

25
Q
  1. When a passenger train is stopped, how must the brakes be set according to AMT-3 instructions?
A

Leave a minimum 12 psi reduction on train and apply independent brake

26
Q
  1. When using braking with power applied, what is the proper sequence of steps to follow after the train stops?
A

Apply independent brake, throttle to idle, and leave automatic brake applied

27
Q
  1. What method of braking is preferred on descending grades, if conditions permit, without sacrificing schedule time or causing excessive buff or draft forces?
A

Dynamic brake

28
Q
  1. When operating other than a mixed consist train, what method of braking must be used?
A

Blended brake

29
Q
  1. Which of the following is considered an en route running gear defect as per AMT-3 instructions?
A

Flat spot in excess of 2 ½ inches

30
Q
  1. If it becomes necessary to cut out brakes en route, calculate the total number of axles on a train in passenger service with the following consist: 2 P-42 locomotives, 11 passenger carrying cars, and 2 baggage cars.
A

60

31
Q
  1. Calculate the total number of control valves in a train if it becomes necessary to cut out brakes on a train in non- passenger service which consists of the following: 2 P-42 locomotives, 16 open hopper cars, 2 Amfleet coaches and 2 baggage cars.
A

22

32
Q
  1. A passenger Class I brake test is conducted at 1:00 PM today. In order to remain in continuous passenger service, another passenger Class I brake test is required before:
A

midnight tomorrow

33
Q
  1. What speed restriction applies to passenger train movements if the air brakes become completely inoperative (no brakes on any axle) on the front or rear unit with the handbrake located inside the equipment?
A

20 mph

34
Q
  1. What type of train control system requires the engineer to suppress an overspeed condition within a prescribed time limit?
A

Automatic Train Control (ATC)

35
Q
  1. What is the period of time to either acknowledge cab signal changes or to initiate suppression in overspeed situations?
A

8 seconds

36
Q
  1. On what form is train control system test information documented and for what length of time is it valid?
A

MAP 100-24 hrs

37
Q
  1. What speed limit is imposed when the cab territory switch is in the out position and ATC is cut in?
A

79mph

38
Q
  1. With an approach medium cab signal, what speed limit is enforced with the ATC system with a nine (9) aspect display unit?
A

30 mph

39
Q
  1. When operating a mixed consist train in direct release, the initial brake pipe reduction must be no less than:
A

8 psi

40
Q
  1. n non-passenger operations, if either one or both trucks or a car are cut out, what is used for the purposes of determining operative brakes?
A

The car is counted as having its control valve cut out

41
Q
  1. Name a condition that will prevent recovery (PCS) from a penalty brake application:
A

Releasing brakes before PCS indication or message extinguishes

42
Q
  1. When using the ATC (cab signal) self tester to perform a cab signal test, what must occur when the least restrictive aspect is displayed?
A

Audible alarm sounds and a penalty application must occur within 8 seconds

43
Q
  1. According to AMT-3, when operating a P-42 locomotive, what device is cut out if an ATS/IITS failure occurs?
A

Move ATS pneumatic cut out switch labeled cab signal to out

44
Q
  1. When must an ATS/IITS wayside signal inductor type warning be acknowledged?
A

If a block signal indication is less than clear

45
Q
  1. What is the indication of an impending penalty when operating in ATS/IITS territory?
A

Audible alarm sounds and visual indication illuminates

46
Q
  1. When using dynamic brake, what is the function of the dynamic brake interlock (DBI)?
A

Prevents brake cylinder pressure from developing on the locomotive from an automatic brake application

47
Q
  1. When performing an ATC self test, what must be inspected for proper alignment, exposed wires and junction box damage?
A

Cab signal receiver (pick up) bars

48
Q
  1. How can one determine if ATS/IITS has been previously tested?
A

Check MAP 100 – equipment condition report

49
Q
  1. According to AMT-3 instructions in table 2, what is the cut out procedure if an ATS failure occurs when operating in IITS territory?
A

Cut out ATS pneumatic cut out switch/cock

50
Q
  1. If cutting out axles results in an operative brake percent between 84% - 75%, in addition to notifying the train dispatcher and QMP at CNOC, what speed governs passenger train movements?
A

Movements must not exceed one half the maximum timetable speed or 40 mph, whichever is less

51
Q
  1. With an approach medium cab signal, what speed limit is enforced with the ATC system with a four (4) aspect display unit?
A

45 mph

52
Q
  1. If a short distance train has a valid Class 1 brake test but has not been used in passenger service for at least 12 hours, what kind of test is needed?
A

Class Ia

53
Q
  1. How does an engineer perform a test on an IITS system?
A

Cab tester

54
Q
  1. What is the purpose of an IITS inert inductor?
A

To warn of permanent speed restrictions

55
Q
  1. When performing a Class I brake test, how much of an automatic brake reduction is required?
A

20 psi

Airbrake (5 decks)

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