Quiz difficult

Carriage & Wagon Theory for LDCE(Mech)

difficult wagon yard main

1 / 50

1. What is the specific requirement for the Base Depot regarding maintenance of complete history of wagons and components for CC rakes?

1. No record keeping needed

2. Complete history of wagon and components must be maintained

3. Only brake system history needed

4. Only wheel history needed

2 / 50

2. In the context of the APM Device, what is the action recommended for proper fitment of flexible hoses?

1. Leave them hanging

2. Tie them properly through suitable means to under-frame members

3. Remove them

4. Cut them shorter

3 / 50

3. What is the complete procedure for dealing with heavy leakage that cannot be arrested in a wagon?

1. Continue with the train

2. The wagon may have to be isolated/detached

3. Increase pressure to compensate

4. Seal with putty

4 / 50

4. For a CC rake, what is the responsibility of the Loco Pilot and Train Manager regarding examination at unloading point?

1. No responsibility

2. Check the unloaded CC rake and ensure brake continuity before starting

3. Wait for TXR staff

4. Issue new BPC

5 / 50

5. What is the specific instruction regarding the commissioning of new BLC/BLL rakes?

1. Can be commissioned anywhere

2. Shall be commissioned by their respective CC base depot

3. Commissioning at manufacturer's place only

4. No commissioning required

6 / 50

6. In the context of brake cylinder problems, what is the preventive action for ensuring correct bolt size usage?

1. Use any available bolts

2. Care should be taken to ensure correct size bolts are used and properly tightened

3. Always use oversized bolts

4. Use bolts without checking

7 / 50

7. What is the complete requirement for the revalidation of BPC for empty container rakes?

1. No revalidation needed

2. Revalidation for 7 days up to base depot with one loading/unloading permitted

3. Revalidation for 30 days

4. Revalidation for 7500 km

8 / 50

8. For a BLCA/BLCB rake, what is the significance of "01 unit = 05 wagons" in the context of rake integrity?

1. It means one unit equals 5 wagons for counting purposes

2. It means 5 wagons form one unit for detachment/replacement limit

3. It means 5 units equal one wagon

4. It has no significance

9 / 50

9. What is the specific condition regarding the movement of empty rake/back loaded rake from unloading point to first examination point?

1. It cannot move without BPC

2. It is permitted on Loco pilot and Train Manager's certificate

3. It requires special permission from headquarters

4. It must be escorted

10 / 50

10. What is the complete procedure for checking brake cylinder piston stroke during service application test?

1. Only visual check

2. Check all wagons, ensure all are within specified limit; if incorrect, record A Dimension

3. Check only every tenth wagon

4. Measure with a ruler

11 / 50

11. In the context of the APM Device, what action is recommended if incorrect bolt size has been used causing damage to the bracket?

1. Tighten the bolts further

2. The bracket needs to be replaced

3. Ignore the damage

4. Weld the bolts in place

12 / 50

12. What is the specific requirement for BPC issued after thorough freight examination in empty condition for CC rakes?

1. It remains valid permanently

2. It must be revalidated after loading with brake continuity tests and endorsement

3. It becomes invalid after loading

4. It needs no further action

13 / 50

13. What is the complete instruction for securing a rake whenever it is stabled?

1. No special requirement

2. It must be secured properly as per rules given in G&SR of Zonal Railways

3. Only hand brakes must be applied

4. Air pressure must be released

14 / 50

14. In the context of brake beam issues, what is the consequence of missing split pins above the Brake head pin?

1. No consequence

2. The pin can move out, causing brake head to drop and brake beam to touch wheel and get damaged

3. Increased brake power

4. Reduced air consumption

15 / 50

15. What is the specific requirement for the examination of locks of all container wagons?

1. They need not be checked

2. They should be checked during intensive examination and 100% availability ensured before giving BPC

3. Only 50% need to be working

4. They are checked only at POH

16 / 50

16. For a CC rake, what is the condition regarding breaking the rake into parts and reforming?

1. It invalidates the BPC

2. It will not be deemed to have broken rake integrity

3. It requires a new BPC

4. It can only be done at base depot

17 / 50

17. What is the specific action to be taken when a defective brake cylinder is identified and isolated?

1. Remove it completely

2. Clear marking should be provided on the wagon to indicate this defect to the primary depot

3. Leave it as is

4. Report to station master only

18 / 50

18. What is the complete set of items that must be checked during the visual examination before rake testing in a twin pipe system?

1. Only brake pipes

2. Hand brakes released, empty load position correct, hoses coupled, angle cocks open, rear hose on support, DV isolating cocks open

3. Only hand brakes and hoses

4. Only angle cocks

19 / 50

19. What is the specific instruction regarding the attachment/detachment of wagons or reversal of power at a non-TXR point?

1. BPC becomes invalid

2. Continuity of Brake pipe pressure must be ensured by Loco Pilot & Train Manager

3. Train must stop until TXR arrives

4. New BPC must be issued

20 / 50

20. According to the document, what is the correct method to check for continuity of brake pipe after coupling?

1. Visual inspection only

2. By reducing and rebuilding brake pipe pressure, verified through pressure gauge in Train Manager's Brake Van

3. Listening for air flow

4. Checking each coupling manually

21 / 50

21. What is the specific requirement for the formation of close circuit air brake rakes as far as possible?

1. They should be formed from various random wagons

2. They should be formed from off-source wagons

3. They should be formed from new wagons only

4. They should be formed from wagons of same age

22 / 50

22. What is the complete procedure for dealing with a loaded premium rake after the grace period expires?

1. It can continue normally

2. It shall be offered for examination at the first TXR point in the direction of movement

3. It must be unloaded immediately

4. It gets automatic extension

23 / 50

23. In the context of brake cylinder problems, what is the preventive action for preventing dust and dirt entry?

1. Seal the cylinder permanently

2. Remove the protection cap only before connecting the hose pipe and blow the pipeline before connecting

3. Apply grease around the cylinder

4. Cover with plastic wrap

24 / 50

24. What is the specific requirement for CC rakes regarding the monitoring through FOIS?

1. Only commercial department monitors

2. All Sr. DOMs must monitor closely to ensure rakes work to their base depots before validity expires

3. Monitoring is optional

4. Only the GM monitors

25 / 50

25. For a rake having both conventional and BMBS wagons, what is the basis for calculative Brake Power percentage?

1. Count only BMBS cylinders

2. Count only conventional cylinders

3. Each conventional system equals two BMBS cylinders

4. Both systems are counted equally

26 / 50

26. What is the specific preventive action recommended for proper fitment of APM Device bracket on the under-frame?

1. Use any available bolts

2. Care should be taken during welding to ensure correct positioning

3. Weld it at multiple points

4. Use adhesive instead of welding

27 / 50

27. According to the document, what is the correct procedure for checking continuity and leakage in a twin pipe system rake?

1. Only visual inspection

2. Attach test rig, couple pipes with angle cocks closed, then open them and check pressures

3. Apply brakes and listen for sounds

4. Check each wagon individually

28 / 50

28. What is the complete validity condition for a Tower wagon's safety certification?

1. 30 days only

2. 7500 Kms only

3. 7500 Kms or 30 + 5 days, whichever is earlier

4. 60 days

29 / 50

29. What is the specific instruction regarding the use of Teflon tape for arresting leakages?

1. It should never be used

2. It is permitted for arresting leakage at threaded joints

3. It can only be used by factory personnel

4. It is only for temporary use in emergencies

30 / 50

30. In the context of the APM Device, what is the preventive action to avoid flexible hoses getting cut or damaged?

1. Replace hoses every month

2. Provide suitable clamp to ensure flexible hose is not loosely hanging

3. Remove the flexible hoses

4. Apply protective tape

31 / 50

31. What is the specific role of the supervisor in charge regarding departmental rolling stock before starting operation?

1. They need not inspect it

2. They shall carry out inspection and if any abnormality is noticed, arrange for fresh C&W examination

3. They only need to check the documents

4. They must wait for headquarters approval

32 / 50

32. What is the prescribed action for a CC rake with invalid BPC detected during run or subsequent examination?

1. It can continue to its destination

2. All cases of violation shall be analyzed by the concerned Division/Zone

3. It must be immediately stopped

4. It gets automatic extension of 5 days

33 / 50

33. For a CC rake, what is the specific condition regarding intermediate examination?

1. It requires examination at every station

2. No intermediate examination is required

3. It requires examination every 500 km

4. It requires examination every 10 days

34 / 50

34. What is the specific requirement for the Train Manager's emergency brake valve during testing?

1. It should be removed for testing

2. It should be tested for proper working by operating it

3. It should be sealed and not tested

4. It should be replaced every test

35 / 50

35. According to the document, what is the correct action when a hissing sound indicates heavy leakage in a particular area?

1. Immediately detach the wagon

2. Pinpoint the location by applying soap water solution

3. Increase the air pressure to compensate

4. Ignore it if the train can still move

36 / 50

36. What is the specific requirement for the examination of departmental wagons in material trains/ballast trains/PQRS trains?

1. They require no special examination

2. They must be examined in terms of IRCA Pt.III

3. They only need visual inspection

4. They can run without any certificate

37 / 50

37. In the context of the APM Device, what is the preventive action recommended to ensure proper functioning?

1. Replace the device every month

2. Ensure the sensor arm correctly touches the center of the side frame

3. Remove the sensor arm during operation

4. Apply grease to all moving parts

38 / 50

38. What is the complete procedure for checking brake cylinder operative percentage?

1. Only count the number of cylinders

2. Observe the gripping of brake blocks on wheels

3. Measure air pressure at each cylinder

4. Check the piston stroke only

39 / 50

39. For a BLCA/BLCB rake, what is the maximum number of wagons that can be detached/replaced during the run without affecting BPC validity?

1. 4 wagons

2. 5 wagons (as one unit equals 5 wagons)

3. 3 wagons

4. 10 wagons

40 / 50

40. What is the specific warning about using the wrong type of isolating cock in the brake cylinder line?

1. It may cause brake binding

2. It may not have a vent, causing pressure to remain in the BC line

3. It will increase brake power

4. It will cause wheel skidding

41 / 50

41. According to the common problems table, what is the specific en-route action for a brake cylinder not releasing even after isolating the DV?

1. Replace the complete bogie

2. Remove the pin connecting the push rod and lever to free the system

3. Cut the air supply hose

4. Weld the push rod in place

42 / 50

42. What is the prescribed procedure for dealing with a CC rake whose Kms/Days limit is breached while in empty condition?

1. It must be loaded and sent to the destination

2. It shall be pushed to the nearest TXR point for revalidation and endorsement on BPC

3. It must be immediately sent to the factory

4. It can continue for another 5 days without action

43 / 50

43. In the automatic test rig requirements, what is the minimum battery backup requirement?

1. At least 1 hour of continuous operation

2. At least 5 single wagon tests and 5 rake tests

3. At least 24 hours of standby time

4. At least 10 complete rake tests

44 / 50

44. What is the specific requirement for CC rakes regarding the line of OHE passing over the maintenance lines?

1. They should have OHE passing over for power supply

2. They should have no line of OHE passing over the maintenance lines

3. OHE presence doesn't matter

4. OHE should be at least 10 meters above

45 / 50

45. What is the complete set of conditions for a Premium end-to-end rake to be certified as such?

1. Examination at any point with 90% brake power

2. Examination in loaded condition at nominated points with 95% brake power

3. Examination in empty condition at nominated "A" category points with 95% brake power

4. Examination at any point with 100% brake power

46 / 50

46. In the context of Brake Power calculation, how should BVZI and BVCM brake vans be treated for uniformity according to the guidelines?

1. They should be treated as having brake cylinders equivalent to two BMBS cylinders

2. They should be treated as having brake cylinders equivalent to one BMBS cylinder

3. They should not be counted in brake power calculations

4. They should be counted as half a BMBS cylinder each

47 / 50

47. What is the specific instruction regarding closing brake pipe angle cocks for isolating wagons with distributor valve leakage?

1. They should be closed immediately

2. They should never be closed under any circumstances except for shunting

3. They can be closed temporarily

4. They should be closed only at night

48 / 50

48. What constitutes a breach of rake integrity for a Close Circuit rake regarding the predefined circuit?

1. The rake is running in the predefined circuit as mentioned on the BPC

2. The rake is running outside the predefined circuit mentioned on the BPC

3. The rake is reformed in a different order within the same circuit

4. The rake is detained for more than 24 hours

49 / 50

49. For a Premium rake, what specific condition must be met regarding the examination points for it to retain its "Premium" status?

1. They must be located near a major city

2. They must be either "A" category or upgraded to "A" category examination points

3. They must have at least 50 staff members

4. They must operate 24 hours a day

50 / 50

50. In a scenario where back loading is done at a non-TXR station and a flying squad is not operationally feasible, what is the permitted course of action?

1. The rake must be unloaded and sent empty

2. The rake can run on a Train Manager & Loco pilot's memo up to the first TXR point

3. A new BPC can be issued by the station master

4. The rake must wait until a TXR team arrives

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