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TD01C-21 > AIR SYSTEMS > Flashcards

AIR SYSTEMS Flashcards

1
Q

AIR IS MADE CONTINUOUS FROM FRONT TO REAR VIA

A

PIPES
HOSES
ISOLATING COCKS

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2
Q

PAN RAISE BUTTON

A

SETS AUX RELAY

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3
Q

1500 VDC POWERS

A

CAT

COMPRESSOR
AOD AUXILLARY OUTPUT DEVICE
TRACTION MOTORS

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4
Q

MCB

A

MINATURE CURCUIT BREAKER

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5
Q

WHAT DOES MAIN COMPRESSOR DO?

A

COMPRESSES ATMOSPHERIC AIR TO 800kPa TO PROVIDE HIGH PRESSURE AIR TO POWER PNEUMATIC SYSTEMS

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6
Q

COMPRESSOR REQUIRES

A 
1500 VDC
120 VDC ALLOWS AUX RELAY TO BE POWERED
AUX RELAY SET
COMP GOV MCB SET
COMP SYNC MCB SET
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7
Q

WHAT CONTROLS COMPRESSOR

A

COMPRESSOR GOVERNOR

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8
Q

HOW DOES COMPRESS GOV WORK

A

CLOSES 600 STARTS

OPENS 800 STOPS

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9
Q

TO ISOLATE COMPRESSOR

A

TRIP COMPRESSOR GOV MCB
TRIP COMPRESSOR SYNC MCB

NEED BOTH, ONE IS NOT ENOUGH

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10
Q

COMPRESSOR SAFETY VALVE

A

825-850 kPa

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11
Q

WHERE IS THE COMPRESSOR LOCATED

A

COMPRESSOR LOCATED UNDER THE TRAIN ON EITHER THE MOTOR CAR NO 2 END OR THE CONTROL TRAILER NO 2 END

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12
Q

COMPRESSOR GOVERNOR FUNCTION

A

STARTS AND STOPS THE COMPRESSOR WHEN THE MIN OR MAX PRESSURE IS REACHED IN THE MAIN RES TANKS

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13
Q

WHERE IS COMPRESSOR GOV LOCATED

A

K AND C

CGIC BEHIND DRIVERS SEAT IN SMALL CUPBOARD

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14
Q

MAIN AIR RES TANK

A

STORES AIR FROM THE COMPRESSOR AT A PRESS OF 800 kPa TO POWER PNEUMATIC EQUIP THROUGHOUT THE TRAIN

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15
Q

WHERE IS MAIN AIR RES TANK LOCATED

A

NO 2 END MOTOR CAR

DRIVING TRAILER OR TRAILER CAR

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16
Q

LIST EQUIP REQ MR AIR

A

PANTOGRAPHS

AIR SPRINGS BELLOWS

SPRING PARKING BRAKES

CONTROL RESERVOIR CRM
CR1 DOORS LINE SWITCHES
CR2 DOORS REVERSER K SETS

WHISTLES WIPER WASHER

EP BRAKES

BRAKE STAND

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17
Q

PANTOGRAPH FUNCTION

A

CONNECTS THE TRAIN TO THE OVERHEAD ELEC SUPPLY

SINGLE ARM OR DOUBLE ARM

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18
Q

LOCATION PANTOGRAPH

A

NO 1 END ROOF OF TRAILER CAR OR DRIVER TRAILER

NEVER MOTOR CAR

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19
Q

HOW MUCH MAIN RES AIR REQD

A

MINIMUM 150 kPa

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20
Q

PANTOGRAPH USE OF AUX RELAY

A

AUX RELAY MUST BE SET

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21
Q

PANTOGRAPH SUPPLIES

A

1500 V

CAT
COMPRESSOR
AOD AUX OUTPUT DEVICES
TRACTION MOTORS

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22
Q

PANTOGRAPH COMPRESSOR VOLTAGE

A

T SET

120 VDC

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23
Q

HOW TO ISOLATE PANTOGRAPH

A

PANTOGRAPH IC

PANTOGRAPH VALVE IC

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24
Q

SPRING PARK BRAKE FUNCTION

A

FAIL SAFE SYSTEM

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25
Q

SPRING PARK BRAKE OPERATION

A

SPRING IS COMPRESSED BY MR AIR

WHEN COMPRESSED AIR IS RELEASED THE SPRING RETURNS TO ITS NORMAL POSITION PROVIDING FORCE THROUGH THE BRAKE CYLINDER ASSEMBLY APPLYING THE BRAKES TO THE TRAIN WHEELS

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26
Q

SPRING PARK BRAKE LOCATION

A

PARKING BRAKE CYLINDER IS MOUNTED ON THE BOGIE FRAME

2 PER BOGIE AT OPP ANGKES

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27
Q

SPRING PARK BRAKES CONTROLS LOCATED

A

K AND C SET
CREW CAB CAR CONCERNED

T SET
DRIVERS CONSOLE TRAIN LINED
DRIVING TRAILER LOCKER 7 CAR CONCERNED
MOTOR CAR LOWER LOCKER 5 CAR CONCERNED

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28
Q

CRM

PRV

A

PRESSURE REDUCING VALVE

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29
Q

CRM CR1 CR2 FUNCTION

A

MR AIR PASSES THROUGH THE CRM PRV WHICH REDUCES THE PRESSURE FROM 800kPa to 450kPa

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30
Q

ONCE PRV LOWERS AIR PRESSURE IT PASSES TO

A

CR1 VALVE TO A CONTROL RESERVOIR WHICH POWERS NO 1 DOORS AND LINE SWITCHES

CR2 VALVE TO A CONTROL RESERVOIR WHICH POWERS THE NO 2 DOORS AND THE REVERSER (K SETS)

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31
Q

WHERE ARE CR1 CR2 LOCATED

A

CONTROL RESERVOIRS LOCATED AT NO 2 END OR MOTOR CARS AND TRAILER CARS

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32
Q

CR2 CLOSED WILL REVERSER STILL MOVE

A

CR2 CLOSED CAN STILL MOVE REVERSER BUT TRACTION MOTOR WONT REVERSE

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33
Q

WINDSCREEN WIPER FUNCTION

A

WINDSCREEN WIPER WASHER USED TO ENHANCE VIS AND CLEAN WINDSCREEN

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34
Q

WINDSCREEN WIPER OPERATION

A

PNEUMATICALLY OPERATED AND CONTROLLED BY THE OPERATING VALVE

DEPRESSING THE HANDLE IN ANY POSITION PROVIDES WINDSCREEN WASHING BY SPRAY NOZZLES

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35
Q

WINDSCREEN WIPER LOCATED

A

WIPER ARM ASSEMBLY MOUNTED EXTERNALLY ON DRIVERS SIDE AND GUARDS WINDSCREENS

WIPER MOTOR
OPERATING VALVE

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36
Q

CAB AIR ISOL COCK

A

WIPERS WHISTLE WASHERS

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37
Q

WHISTLE FUNCTION

A

AUDIBLE WARNING DEVICE

TWO TYPES
TOWN SHORT
COUNTRY LONG

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38
Q

WHISTLE LOCATED

A

UNDERFRAME AT NO 2 END DRIVERS COMPT

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39
Q

EP USES WHICH AIR

A

MAIN RES AIR

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40
Q

FOR EP TO WORK

A

REVERSER OUT OF ISOL

EP CB SET

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41
Q

EP BRAKING SYS FUNCTION

A

EP BRAKING SYS PROVIDES PRIMARY BRAKING EFFORT USING AN ELEC SIGNAL BETWEEN THE BRAKE CONTROLLER AND 7 STEP RELAY

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42
Q

7 STEP RELAY CONTROLS

A

CONTROLS THE APPLICATION AND RELEASE OF THE BRAKES IN 7 STEPS

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43
Q

7 STEP RELAY PROVIDES kPa

A

28-30 kPa

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44
Q

FULL SERVICE kPa

EMPTY

A

200 kPa

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45
Q

FULL SERVICE kPa

PACKED TRAIN

A

250 kPa

46
Q

BVIC

A

CONTROLS MR AIR ENTRY TO BRAKE STAND

47
Q

BRAKE CONTROLLER FUNCTION

A

BRAKE CONTROLLER ALLOWS DRIVER TO OPERATE

EP BRAKING SYS
AUTOMATIC AIR BRAKE

TWO SYS ARE SUPERIMPOSED SO BOTH SYS CAN BE CONTROLLED WITH THE SAME RANGE OF HANDLE MOVEMENTS

48
Q

BRAKE STAND SECTIONS

A

UPPER SECTION
EP

LOWER SECTION
AUTO

49
Q

BRAKE CONTROLLER LOCATED

A

LOCATED L SIDE DRIVERS CAB

50
Q

DBCIC STANDS FOR

A 
DRIVERS
BRAKE
CONTROLLER
ISOL
COCK
51
Q

DBCIC PURPOSE

A

WHEN OPEN THE DBCIC ALLOWS BP AIR TO FLOW THROUGH THE TRAIN TO THE SAFETY AND BRAKING SYS

52
Q

DBCIC FUNCTIONS

A

OPEN
CHARGES BRSKE PIPE

CLOSED
ISOLATES THE BRAKE STAND FROM THE BP
MAINTAINS BP AT ZERO KPA WHEN CUTTING OUT

53
Q

DBCIC LOCATED

A

L HAND SIDE OF DRIVERS CONSOLE

54
Q

AUTO 3 STEPS

A

RELEASE AND RUNNING
FULL SERVICE
EMERG BRAKES

55
Q

BRAKE STAND

RELEASE PREVENTION VALVE

A

OPEN ONLY IN RELEASE AND RUNNING AND ALLOWS MAIN RES AIR TO PILOT VALVE

56
Q

BRAKE STAND

PILOT VALVE

A

REDUCES MR AIR TO EQUALISING RES AT 425 kPa

57
Q

BRAKE STAND

EQUALISING RES

A

RES TANK

58
Q

BRAKE STAND

CHARGING VALVE

A

ALLOWS MR AIR TO TOP PORTION OF RELAY VALVE

59
Q

BRAKE STAND

RELAY VALVE

A

TURNS MR AIR INTO BP AIR AT EQUALISING RESERVOIR PRESS

60
Q

BRAKE STAND

EMERG VALVE

A

EXHAUSTS BP AIR TO ATMOSPHERE AND CLOSES CHARGING VALVE

61
Q

BRAKE STAND

LOCKOUT MAGNET VALVE

A

ELECTRICALLY ENERGISED BY EP CCT BREAKER AND REVERSER OUT OF ISOLATION WITH 120 V

62
Q

BRAKE STAND

DBCIC

A

CHARGES, ISOLATES OR MAINTAINS BP PRESS

63
Q

BRAKE STAND

WHICH VALVE IS ONLY ONE WHICH IS ELEC AND PNEUMATIC

A

LOCKOUT MAGNET VALVE (EP CB)

64
Q

BRAKE STAND

TWO VALVES WHICH CANNOT BE OPEN AT SAME TIME

A

CHARGING VALVE
AND
EMERG VALVE

65
Q

BRAKE PIPE FUNCTION

A

TRANSFERS COMPRESSED AIR FROM BRAKE STAND THROUGH ENTIRE BRAKING SYS TO AUX/ SUPPLEMENTARY RES THEN TO BRAKE CYLINDERS

66
Q

BP PRESS

A

425 kPa

67
Q

TRIPLE VALVE FUNCTION

A

CAR
CHARGES AUX RESERVOIR
APPLIES AUTO BRAKES
RELEASES AUTO BRAKES

68
Q

SAIC

A

SAFETY APPARATUS ISOLATING COCK

TRIP
DEADMAN
VIGO
CONTROL GOVERNOR
DUMP VALVE T SET
DEADMAN FOOT PEDAL T SET
69
Q

BRAKE UNIT

LOAD COMPENSATOR

A

GIVES EXTRA KPA FOR WHEN BELLOWS SQUEEZED (FULL TRAIN)

70
Q

TRIPLE VALVE FUNCTION

A

FUNCTION OF THE TV IS TO CONTROL THE SUPPLY AND EXHAUST OF AIR PRESS IN THE BRAKE CYLINDERS DURING OPERATION OF THE AUTO AIR BRAKE

71
Q

TV HAS 3 MODES

A

CAR
CHARGING THE AUX RESERVOIR
APPLYING THE AUTO BRAKES
RELEASING THE AUTO BRAKES

72
Q

WHAT AIR RUNS THROUGH TV

A

BP AIR

73
Q

HOW DOES A TV RESPOND TO APPLY BRAKES

A

REDUCTION IN BP AIR = APPLY BRAKES

RELEASE BRAKES
INCREASE BP AIR

74
Q

WHAT BRAKING SYSTEM IS THE TV A PART OF:

A

AUTO BRAKE SYS

75
Q

AUX RESERVOIR FUNCTION

A

STORAGE RES FROM THE BP VIA THE TV TO APPLY THE AUTO BRAKES

IT PROVIDES AUX RES AIR TO THE BRAKE CYLINDERS FOR AUTO BRAKING

76
Q

AUX RES LOCATED

A

NO 1 END OF EVERY CAR

77
Q

BRAKE CYLINDER APPLIES WHICH BRAKES

A

EP
AND
AUTO BRAKES

78
Q

BRAKE CYLINDER FUNCTION

A

BRAKE CYLINDER APPLIES PRESS TO THE BRAKE PAD DURING EP SERVICE OR BRAKING.

BRAKE CYLINDER COMPRISED OF THE FOLLOWING COMPTS
PARKING BRAKE CYLINDER
SLACK ADJUSTER

79
Q

BRAKE CYLINDER LOCATED

A

SERVICE BRAKE CYLINDER
ONE PER WHEEL

PARKING BRAKE CYLINDER
ONE PER AXLE

80
Q

7 STEP RELAY FUNCTION

A

CONTROLS THE APPLICATION AND RELEASE OF THE BRAKES IN 7 STEPS

IN RESPONSE TO AN ELECTRICAL FEED SIGNAL WHICH IS CARRIED BY THREE TRAIN WIRES AND PROVIDES FOR VARIABLE REDUCTION OF THE AIR BRAKING PRESSURE

81
Q

7 STEP RELAY LOCSTED

A

ON THE EP AND AUTO BRAKE BRACKET ON THE EP BRAKE UNIT

82
Q

WHICH AIR IS REQUIRED FOR EP BRAKES

A

MAIN RES

83
Q

7 STEP RELAY

HOW MANY KPA PER STEP

A

28-30kPa

84
Q

WHAT IS THE NORMAL EP RANGE

A

200 kPa EMPTY

250 kPa LOADED

85
Q

AOD K AND C

A

MOTOR ALTERNATOR

86
Q

AOD T SET

A

STATIC INVERTER

87
Q

WHAT DOES ISOL COCK DO

A

ISOLATES PIECE OF EQUIP FROM AIR SYS

88
Q

SAIC FUNCTION

A

ISOLATES THE SAFETY SYS FROM BP AIR

89
Q

SAIC POSITION OPEN AND CLOSED

A

CROSS THE PIPE
OPEN

ALONG THE PIPE
CLOSED

90
Q

SAIC LOCATION

A

UNDER DRIVER

NO 2 END MOTOR CAR OR DRIVER TRAILER

91
Q

TRIP

FUNCTION

A

WHEN ACTIVATED THE VALVE VENTS THE BP AND APPLIES THE EMERG BRAKES

92
Q

WHEN IS TRIP GEAR ACTIVATED

A

TRAIN STRIKES TRACKSIDE TRIP LEVER WHICH IS RAISED ON RED SIGNAL

HIGH BALLAST

ANY OBSTRUCTIONS

93
Q

TRIP

LOCATION

A

UNDER DRIVER

DRIVERS SIDE AXLE NO 8 WHL
NO 2 END DRIVER TRAILER OR MOTOR CAR

94
Q

HOW TO RESET THE TRIP

A

ONCE ACTIVATED THE BP MUST BE EXHAUSTED TO 0 KPA

TO ALLOW THE TRIP TO BE RESET

95
Q

CONTROL GOVERNOR FUNCTION

A

PREVENTS THE DRIVER FROM POWERING THE TRAIN WITH INSUFFICIENT BP AIR

96
Q

CONTROL GOVERNOR OPERATION

A

IN EMERG OPENS TO PREVENT POWERING AND ONCE IT HAS SUFFICIENT PRESS ALLOWS IT TO POWER

97
Q

CONTROL GOVERNOR SETTINGS

A

OPENS 250 KPA BP AIR NO POWER

CLOSES 350 KPA BP AIR POWERS

98
Q

CAN U OVERRIDE CONTROL GOVERNOR

A

EMPB

EMERG PUSH BUTTON

BYPASSES CONTROL GOVERNOR ONLY
NEED TO PUSH ONLY WHEN POWERING

99
Q

VIGILANCE FUNCTION

A

DETECTS DRIVER INACTIVITY AND RESPONDS ACCORDINGLY WITH WARNING SIGNALS AND APPLICATION OF THE BRAKES

100
Q

VIGILANCE TASK LINKED TO WHICH SYS

A

MASTER CONTROLLER
BRAKE CONTROLLER
HEADLGT
WHISTLE

101
Q

HOW MANY STAGES IN VIGO

A

4

102
Q

TIMING OF VIGO STAGES

A

STAGE 1
30 SECS

STAGE 2 LGT
5 SECS

STAGE 3 LGT AND BELLS
5 SECS

STAGE 4 PENALTY
45 SECS
LGT STEADY AFTER 45 SECS

103
Q

WHAT TASK LINK WONT WORK TWICE IN SUCCESSION

A

HEADLGT

104
Q

HOW DO U RESET IN STAGES 2 AND 3

A

ACKNOWLEDGE BUTTON IR TASK LINK

105
Q

WHAT IS REQUIRED TO SUPPRESS THE VIGO SYS

A

175 KPA BRAKE CYL PRESS

106
Q

WHAT IS REQUIRED TO REMOVE SUPPRESSION

A

BRING BRAKE CYL PRESS < 100KPA

107
Q

DEADMAN FUNCTION

A

OPERATES EMERG RELAY VALVE WHICH THEN APPLIES THE EMERG BRAKES

108
Q

WHAT CONTROLS DEADMAN

A

TWO MICROSWITCHES

UNDER MASTER CONTROLLER HANDLE
UNDER FOOT PEDAL

DEADMAN MICROSW OPERATE AN ELECTRICAL SOLENOID WHICH IS MOUNTED ABOVE THE EMERG RELAY VALVE

109
Q

CUTTING IN

A

BUTTERFLY KEY
REVERSER ISOL NEED DEADMAN
BRAKE CONTROLLER FULL SERVICE
DBCIC OPEN

110
Q

CUTTING OUT

A 
DBCIC CLOSE
BRAKE CONTROLLER EMERG
AT ZERO BACK RELEASE AND RUNNING
REV ISOL
BUTTERFLY KEY OUT
111
Q

CONT TEST

A

ELECT CONTINUITY VIA BELL
BRAKE PIPE CONTINUOUS
ONE DBCIC OPEN

TD01C-21 (20 decks)

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