Xtrap Revision Questions Flashcards by Jasper Cave

What are the operating functions of the saloon lights?

Normal
Half
Emergency

How well did you know this?

Not at all

Perfectly

What settings are there for cab lighting?

Off
Cab (Fluorescent light)
Desk (Spotlight)

How well did you know this?

Not at all

Perfectly

What do HVCAS control?
(5 answers)

Heating
Air con
Ventilation
Demisters
Cab foot well heater

How well did you know this?

Not at all

Perfectly

On what cars are the traction containers?

Motor cars

How well did you know this?

Not at all

Perfectly

On what cars are the auxiliary inverters?

Trailer cars

How well did you know this?

Not at all

Perfectly

On what cars are the battery boxes?

Trailer cars

How well did you know this?

Not at all

Perfectly

What is the roof mounted equipment on an M car?

HVACs
Resistor Grids

How well did you know this?

Not at all

Perfectly

What is the roof mounted equipment of a T car? (4 answers)

Panto
2 HSCB
Lighting arrestor
HVACs

How well did you know this?

Not at all

Perfectly

What safety equipment is in the drivers cab?

• First Aid Kit
• Audible Track Warning Signals
• Emergency Track Circuit Jumper Cable
• Red and Green flag
• Fire extinguisher
• Switch stick

How well did you know this?

Not at all

Perfectly

What safety equipment is in A side cupboard?
(4 answers)

• Track circuit jumper cable
• Red and Green Flags
• First Aid Kit
• VICERS whistle isolating cocks x2 (for fitters)

How well did you know this?

Not at all

Perfectly

Where is the ESB?

A side walk between door and OJT seat

How well did you know this?

Not at all

Perfectly

When using PEI, Cab-Cab and PA what must the driver also press for communication?

PTT

How well did you know this?

Not at all

Perfectly

What are the positions of the master controller?

• Power
• Coast
• Brake
• Emergency Brake

How well did you know this?

Not at all

Perfectly

At what speed does the holding brake apply?

0.5km/h

How well did you know this?

Not at all

Perfectly

How do you set the master controller and reverser to be able to remove the key?

Master controller- coast
Reverser - Neutral

How well did you know this?

Not at all

Perfectly

What are the positions of the reverser?

Forward
Neutral
Reverse

How well did you know this?

Not at all

Perfectly

After applying the trains emergency brakes, when can you move the master controller out of the emergency position?

Only once the train has come to a complete stand

How well did you know this?

Not at all

Perfectly

How do you set the Hand pilot valve?

Press the hand pilot down

How well did you know this?

Not at all

Perfectly

What are the 3 bypass switches on the driving aid panel?

• Tacho Bypass
• Auto Vigilance Bypass switch
• Safety loop bypass

How well did you know this?

Not at all

Perfectly

What are the positions of the headlight switch?

Auto
Low
High

How well did you know this?

Not at all

Perfectly

When do low beams come on automatically?

When the reverser is set to forward

How well did you know this?

Not at all

Perfectly

What is the holding brake button used for?

Fault finding purposes, to apply traction power against holding break (without it coming off)

Press until traction power detected or for max of 2 seconds

How well did you know this?

Not at all

Perfectly

Do you have key in or out to uncouple?

How well did you know this?

Not at all

Perfectly

In normal operating what should BP pressure be?

0kpa

How well did you know this?

Not at all

Perfectly

What 2 lights are illuminated in a non active cab?

High voltage presence Other cab active

What are the positions of the emergency trainset mode switch?

1- On-Line Holding Brake Inhibit 2- Normal 3- Rescued 4- Rescuing 5- Rescuing in Propulsion

When in position 1 of emergency trainset mode switch what do drivers need to be aware of?

Holding brake is off, train could roll if in coast

What are the positions of the traction fault isolation switch?

Normal Isolated

What are the positions of the trip cock device switch?

Raised Lower Reset

What would be the effect on the train if the trip wasn’t set?

Safety loop will be open, emergency brakes applied

What indicates that a trip has been activated or not set?

Red trip activated status light

What light does not illuminate when you do a lamps test?

MAD button and communication buttons

What is the minimum voltage on the voltmeter for the operation of the Xtrap?

90 v

What would the driver do if no low voltage was found?

Check battery isolation switch (do not touch) If isolated report to TC

What is the High voltage equipment? (7 answers)

• Pantograph • Lightning Arrestor • 2 High Speed Circuit Breakers • Line Inductors • Traction Inverter • Rheostatic Brake Resistor Grids • Auxiliary Inverter (SIV).

Where is the Panto located?

T car, 2 End

How do you raise pantos?

Put key in- Automatically

What unit is housed inside the traction converter?

TCU

How is a bunch up procedure completed on a xtrap

Pull 22Q6 EMS to 1 Power Release hand pilot valve Reverser to neutral Reset 22Q6 and EMS to 2 Uncouple

What cab is the traction test completed in

Leading cab

What pressure is full service

190 kpa

When does the spring park brakes apply

Automatically, when main res air depletes

When is the Emy brake activated

Emy position of MC handle Safety loop opening

What is emergency brake pressure

210 kpa

When does the holding brake apply and release

Applies when speed is below 0.5 km and releases as soon as you pull for power

What is the holding pressure

120 kpa

Can xtrap use brake blending and when

Yes, when load, demand or speed requires it

What speed does ED brake apply

Above 10km Brake blend down to 5km

Do all cars have tread and disc brakes

No motor only have both

What type of braking are used for the service brake

ED and EP

What brake systems do xtrap have

Service Holding Emergency Park brakes

Where are the Tacho cables

4&8 T car

Where are park brakes fitted

1,3,7 M cars only

What is the purpose of the TCU?

Controls powering and ED braking

Do drivers use the High voltage supply switch?

What is the output of the SIVs?

400V AC ( steps down to 220vAC, 24vAC)

What equipment uses the 400v AC from the SIVS?

• 400/220v AC systems • 110v DC System •Air cons • Air compressors • Battery charger • Traction cooling fans

In Normal operation what powers the low voltage DC equipment?

Battery Charger

If loss of overhead, what equipment powers the train?

Batteries

What is inside the auxiliary pneumatic panel

Whistle Auto uncouple Trip device Trip device reset Aux panel

What are the drivers responsibility in regards to the aux pneumatic panel for mainline preps

Check leading and trailing panels

At what pressure does the safety valve activate

980kpa

What equipment is lost if one SIV fails?

One air compressor One air con (Traction cooling fans and saloon lighting not affected)

What equipment is lost if one SIV fails?

One air compressor One air con

Main res charges the aux res for what purpose

EP ( friction brakes)

What equipment is on the permanent low voltage line? (3 answers)

Step light Cab fluro Panto motors

What is the main res operating pressure

750 kPa to 900 kpa

What energises the permanent low voltage line?

Batteries

If the compressor gov isolating cock is turned, what will happen to the compressor

It will stay in whatever position it was when isolating

What is the difference between prepared low voltage-cab operative and prepared low voltage line?

Cab operative- key in everything functions Prepared low voltage is in service retention mode

What is the function of the air dryer

Removes moisture, debris, and oil from the compressed air

How do the air compressor work together

Both work when MR is below 650kpa until reading 750kpa where one turns off

How many air compressors are on a 3 car unit

If there was an issue with the speed threshold, how do you override it

Tacho bypass to bypass

What settings are kept in prepared low voltage line?

• Pantos raised • Train prepped • Settings of last cab in service memorised • Marker lights, Doors, saloon lights remember settings prior to key removal

Where is the battery box isolation switch housed?

A side T car inside battery box

What equipment/functions require the train to be at 0.5km to operate (4 answers)

Uncouple Saloon doors release Resetting the safety loop after trip Resetting safety loop during rescue after a reduction in BP pressure

How long should batteries power train if loss of power?

1 hour

What is the speed threshold speed

0.5 km

What can you do to conserve power?

Turn cab equipment off, saloon lights to emergency ect

Where are the Tacho cables located

Wheel 4&8 on T car

How many tacho cables for the tachometer on a 6 car train

If no battery power on train start up when attempting to raise pantos, what should the driver do?

Check battery not isolated

Can a driver reinstate isolated batteries?

No call fleet

How do you locate and reset a DER

CCTV camera to locate, then use tri key and twist back to horizontal

What is the result of the Saftey loop de-energising?

Emergency brakes will apply

If a DER has been pulled in running, will you still have traction power

Yes, until stationary

What indications would a driver get if the safety loop de-energises?

• Emergency Brake applied • Recording of Emergency Brake application by the Data Logger • Inhibition of Electrical Braking and Traction (Friction Brake ONLY applies) • Emergency Brake fault light illuminates on the Fault & Status panel

What indication would you get in the drivers cab when a DER had been pulled (4 answers)

FDCL DER status light Illuminated Flashing red ANSW button DDU tone

Where are the external door releases located

M: 1,2,5,6 T: 2,5

If attempts fail to remove obstruction from door, how long will the tone sound for

60 sec

What are 10 things that can open the safety loop?

• MR below 580kpa •BP below 300kpa (rescue) • Trip • Hand/Foot not set or auto vigilance not pressed in 40 seconds • VICERS • Loss of 110v DC • Master controller in emergency •ESB • 2keys • 23Q1, 23Q2

How do you test the safety loop during a prep ?

Safety loop bypass switch to test

What do you need to do if there is a fault and you can’t get the safety loop to close?

Detrain, Bypass safety loop (drive while holding switch)

How do you apply emergency brakes if the safety loop is bypassed?

Let go of switch

What is the safety loop rescue switch for?

To allow a trickle charge to the batteries from a rescuing Xtrap

If there is an obstruction in the door, how many times will the secondary release feature operate?

4 times at 3 second intervals