Quiz easy

Carriage & Wagon Theory for LDCE(Mech)

easy wagon yard main

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1. What is the first action to be taken if a Brake Cylinder is not releasing due to a malfunctioning Distributor Valve (DV)?

1. Replace the DV immediately

2. Detach the wagon

3. Move the isolating cocks to a close position to vent air

4. Hammer the DV to make it work

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2. What is the role of the Air Dryer in the Rake Test Rig setup?

1. To increase the pressure

2. To store compressed air

3. To supply dry air by removing moisture

4. To lubricate the pipes

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3. What should be used to ensure the correct fitment of a brake block?

1. Any available iron key

2. A wooden block

3. A spring steel key as per RDSO drawing

4. Welding

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4. What is the maximum number of wagons that can be detached/replaced in a BLCA/BLCB rake without invalidating the BPC?

1. 4 wagons

2. 5 wagons (as 1 unit = 5 wagons)

3. 10 wagons

4. 2 wagons

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5. If a Premium rake is loaded, what must the crew do before the journey commences?

1. Issue a new BPC

2. Examine the rake and record observations on the existing BPC

3. Send the rake to a sick line

4. Reduce the train's speed

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6. Who is responsible for ensuring that all doors are checked and found working, and endorsing this on the BPC?

1. Loco Pilot

2. Train Manager

3. Train Examination Yard Staff (C&W staff)

4. Commercial Staff

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7. What is the function of the check valve in the Rake Test Rig setup?

1. To increase air pressure

2. To prevent the backflow of air when the compressor is off

3. To filter the air

4. To cool the air

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8. For how long are Brake Pipe (BP) hoses under warranty?

1. 54 months from supply

2. 48 months from supply

3. 36 months from supply or 24 months from commissioning

4. 24 months from commissioning

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9. What is the duty of Gang "C" regarding brake power?

1. Manufacturing brake blocks

2. Testing the rake with an air compressor and testing rig

3. Replacing brake pipes

4. Designing new brake systems

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10. In the event of a fire, which item is listed in the tools table for Gang "A"?

1. Fire extinguisher

2. Hammer

3. Welding torch

4. Axe

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11. What is the condemning wheel diameter for a wagon with a CASNUB bogie?

1. 1000 mm

2. 906 mm

3. 840 mm

4. 780 mm

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12. What is the new requirement regarding the color scheme of BPCs issued through FMM?

1. Only white BPCs are used

2. The color depends on the train type

3. The color scheme has been done away with

4. Red for premium, blue for CC rakes

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13. In the context of the GDR check, what is the responsibility of the Operating and Commercial staff at sidings?

1. To repair defective wagons

2. To accept release memo only after door closure is ensured

3. To drive the locomotive

4. To issue the BPC

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14. After a rake is stabled for more than 24 hours, what must be done?

1. It must be sent to the factory

2. It must be re-examined by SSE/JE (C&W) in the yard

3. It must be unloaded immediately

4. Its BPC becomes permanently invalid

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15. What should be done if a brake cylinder is leaking and cannot be repaired on the spot?

1. Detach the wagon immediately

2. Ignore the leak and continue

3. Isolate the defective brake cylinder with the help of isolating cock

4. Close the main brake pipe angle cock

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16. What is the function of an Automatic Test Rig?

1. Automatic driving of the train

2. Single car testing and rake testing of freight stock

3. Automatic coupling of wagons

4. Weighing of loaded wagons

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17. For a BOBRN wagon, what is the 'A' dimension?

1. 70+2-0 mm

2. 100+10 mm

3. 54+10 mm

4. 27+2-0 mm

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18. What is the condemning limit for the vertical surface of a friction wedge block?

1. 3 mm

2. 5 mm

3. 7 mm

4. 10 mm

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19. What is the maximum period for which a safety certificate for departmental rolling stock is valid?

1. 15 days

2. 30 days

3. 45 days

4. 60 days

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20. In a twin pipe system, what is the isolating cock used for in case of a distributor valve leakage that cannot be arrested?

1. To close the brake pipe angle cock

2. To close the distributor valve isolating cock

3. To close the feed pipe angle cock

4. To open the hand brake

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21. What should be used to pinpoint the location of an air leakage after hearing a hissing sound?

1. A hammer

2. A stethoscope

3. Soap water solution

4. A pressure gauge

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22. What is the first step in the rolling-in/terminating examination?

1. Issuing a new BPC

2. Filling the fuel tank

3. In-motion inspection of undergear

4. Detaching the locomotive

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23. The initial of 'GDR' in GDR Check stands for?

1. Guard and Driver Report

2. General Defect Report

3. Goods Dispatch Record

4. Gauge Dimensional Reference

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24. What is the warranty period for a new wagon from the date of commissioning?

1. 12 months

2. 18 months

3. 24 months

4. 36 months

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25. After tippling, who should carry out the post-tipping check if TXR staff are not available?

1. The commercial clerk

2. The train's Loco Pilot and Train Manager

3. The station master

4. The pointsman

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26. What should be done with the angle cock at the end of the brake van?

1. Kept open

2. Removed for maintenance

3. Kept in a closed position

4. Replaced with a dummy coupling

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27. What is the function of a Rake Test Rig (RTR)?

1. To test the track for strength

2. To test the rakes before attaching the engine

3. To load wagons automatically

4. To unload coal from wagons

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28. In the GDR check proforma, how many copies of the memo should be prepared?

1. One copy

2. Two copies

3. Three copies

4. Four copies

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29. Container trains (BLC/BLL rakes) are primarily run on which pattern of examination?

1. End-to-End

2. Premium

3. Close Circuit (CC)

4. Post-loading only

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30. What is the 'A' dimension for air brake stock fitted with CASNUB bogie (except BOBRN)?

1. 27 +2-0 mm

2. 50 +5-0 mm

3. 100 +10 mm

4. 70 +2-0 mm

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31. What is the condemning limit for a brake block?

1. 5 mm

2. 10 mm

3. 15 mm

4. 20 mm

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32. How often must the safety of Breakdown cranes be certified?

1. Every 7 days

2. Every 15 days

3. Every 30 days

4. Every 90 days

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33. What is the minimum originating brake power percentage for an End-to-End examination rake?

1. 100%

2. 95%

3. 90%

4. 85%

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34. In a twin pipe system, what are the two pipes called?

1. Main pipe and Auxiliary pipe

2. Brake Pipe and Feed Pipe

3. Supply Pipe and Return Pipe

4. High Pressure Pipe and Low Pressure Pipe

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35. What is the maximum allowable drop in brake pipe pressure per minute during a leakage test?

1. 0.50 kg/cm²

2. 0.10 kg/cm²

3. 1.0 kg/cm²

4. 0.25 kg/cm²

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36. What should be done with the hand brakes of all wagons before an air brake test?

1. They should be fully applied

2. They should be fully released

3. They should be checked for damage only

4. Their condition does not matter

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37. According to the GDR check guidelines, whose responsibility is it to ensure all doors are closed before drawing a rake from a terminal?

1. Only the commercial staff

2. The train crew (Loco Pilot and Train Manager)

3. The siding handling agency only

4. The station master

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38. What is the GDR check?

1. A check of the goods shed

2. A joint check by the Train Manager and Loco Pilot

3. A check of the diesel refueling system

4. A track geometry check

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39. Who is responsible for checking that distance entries are clearly recorded on the BPC of a CC rake?

1. The station master

2. The crew (Loco Pilot and Train Manager)

3. The commercial staff

4. The yard supervisor

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40. What is the minimum illumination level required for examining CC freight trains during night hours?

1. 50 to 75 Lux

2. 200 to 250 Lux

3. 100 to 150 Lux

4. As per the crew's visibility

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41. What is the grace period allowed for a CC rake if it is moving towards the base depot?

1. 3 days

2. 7 days

3. 5 days

4. No grace period

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42. For a Close Circuit (CC) rake, what is the validity of the BPC?

1. 12 days

2. 30 days or 7500 Kms, whichever is earlier

3. 15 days only

4. Until the next station

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43. What is the minimum originating brake power percentage required for a Premium rake?

1. 100%

2. 90%

3. 95%

4. 80%

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44. What additional grace period is allowed for a Premium rake to facilitate examination in unloaded condition?

1. 5 days

2. 3 days

3. 7 days

4. No grace period is allowed

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45. What is the validity period of a Brake Power Certificate for a Premium rake?

1. 30 days

2. 7 days

3. 7500 km

4. 12 days

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46. How many wagons can be detached/replaced during the run without invalidating an End-to-End BPC, for a standard rake?

1. More than 4 wagons

2. Exactly 10 wagons

3. Not more than 4 wagons

4. Any number of wagons

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47. In the End-to-End examination pattern, when should a rake be intensively examined?

1. Only when it is fully loaded

2. In empty condition, except when back loading is required

3. Only during monsoon season

4. Every time it passes a signal

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48. What is the full form of BPC?

1. Brake Power Component

2. Brake Pressure Certificate

3. Brake Power Certificate

4. Basic Pneumatic Check

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49. From where should a Brake Power Certificate (BPC) be issued?

1. Any station with a platform

2. The locomotive factory

3. Nodal examination points authorized by the Railways

4. The commercial department office

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50. What is the primary purpose of the procedures described in this chapter?

1. Locomotive maintenance scheduling

2. Efficient working of freight stock through yard maintenance

3. Passenger train ticketing

4. Track laying and maintenance

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