Quiz easy

Carriage & Wagon Theory for LDCE(Mech)

easy wagon maintenance

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1. If any wagon is found without a stiffener plate as per a specific RDSO drawing, what must be done before life extension?

1. The wagon must be condemned

2. The stiffener plate shall be welded

3. The centre sill must be replaced

4. No action is needed

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2. What must be checked for cracks at the base and repaired?

1. Side Doors

2. Side Pillars

3. Handrails

4. Footboards

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3. For BOXN wagons of what age group can be taken up for upgraded rehabilitation (BOXNR)?

1. 5-10 yrs

2. 10-23 yrs

3. 23-27 yrs

4. 27-35 yrs

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4. What is the nominal web thickness of a sole bar that should not be less than 7mm?

1. 7 mm

2. 8 mm

3. 9 mm

4. 10 mm

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5. What should be done with the distributor valve during ROH?

1. It should be replaced

2. It should be overhauled

3. It should be painted

4. It should be lubricated with grease

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6. Who should the warranty report be addressed to for wagons built by railway workshops?

1. The Railway Board

2. The RDSO

3. The respective workshops

4. The PCME

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7. If the flange height of a wheel is more than 31 mm, where should it not be used?

1. Under any wagon

2. Under an ROH wagon

3. Under a passenger train

4. Under a wagon with air brakes

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8. What is the maximum depth of a deep notch due to the gearing of a pull rod on an axle before it must be rejected?

1. 3 mm

2. 4 mm

3. 5 mm

4. 6 mm

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9. For how many days in advance can an empty wagon be marked sick for POH?

1. 15 days

2. 30 days

3. 45 days

4. 60 days

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10. What is the interval for subsequent ROH of BOXN wagons within a POH cycle?

1. 12 months

2. 18 months

3. 24 months

4. 36 months

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11. What must be sent to the Chemist and Metallurgist in case of a material failure during warranty?

1. The entire wagon

2. The failed material item

3. The warranty inspection report only

4. Photographs of the failure

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12. Which chapter of the manual provides details on train examinations like "Rolling-in-examination"?

1. Chapter 2

2. Chapter 3

3. Chapter 4

4. Appendix C

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13. What is the subsequent POH interval for a BOXNR wagon?

1. 4 years

2. 4.5 years

3. 5 years

4. 6 years

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14. What is the acceptable minimum thickness for a CRF 'Z' - section Centre Sill for life extension?

1. 5 mm

2. 6 mm

3. 7 mm

4. 8 mm

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15. What is the nominal thickness of a CRF single-piece Centre Sill?

1. 7 mm

2. 8 mm

3. 10 mm

4. 12 mm

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16. What should be checked for easy operation as part of the air brake system during ROH?

1. The wagon wheels

2. The isolating cock

3. The hand brake chain

4. The centre pivot

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17. In the warranty inspection report, what should be written in the column for "The estimated cost of rectification"?

1. The actual cost calculated by the depot

2. "Cost will be advised by the Railway Board"

3. A nominal fee of Rs. 100

4. "Not applicable"

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18. Who is responsible for classifying BOXN wagons into repair categories A, B, and C in the open line?

1. The Station Master

2. The Loco Pilot

3. JE/SSE(C&W)

4. The Divisional Railway Manager

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19. What is the purpose of the warranty legend's "Inspection due on" field?

1. To schedule the next POH

2. To track the wagon's load history

3. To indicate when the final warranty inspection is due

4. To show when the last brake test was done

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20. During warranty inspection, who should defects on wheels and axles be reported to?

1. The wagon builder

2. The wheel and axle manufacturer

3. The Chemist and Metallurgist

4. They are reported following extant instructions, not to the wagon builder

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21. If a defect is noticed in a roller bearing, where must the entire wheel assembly be sent?

1. To the wagon builder

2. To a major sick line

3. To the workshop

4. To the RDSO

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22. What is the codal life for BTPN tank wagons?

1. 35 years

2. 40 years

3. 45 years

4. 50 years

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23. What should be used to lubricate the centre pivot?

1. Engine oil

2. Grease

3. Graphite flakes

4. WD-40

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24. What should be done with the Auxiliary Reservoir during ROH as per the schedule?

1. It must be replaced

2. It must be painted

3. It must be drained

4. It must be pressure-tested

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25. For attaching a goods wagon to a passenger train, what must be ensured about its POH/ROH status?

1. It must be freshly done

2. It should not be overdue

3. It must be due within 6 months

4. There is no condition regarding POH/ROH

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26. Who issued the guidelines for the structural audit of wagons for life extension?

1. Railway Board

2. RDSO

3. CRSE

4. PCME

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27. Rehabilitated BOXN wagons should be painted which color for easy identification?

1. Silver

2. Green

3. Golden Yellow

4. Red

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28. What is the man-hour range for "Medium Repairs"?

1. Up to 8 man-hours

2. More than 8 and up to 100 man-hours

3. More than 100 man-hours

4. More than 200 man-hours

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29. During ROH, what should be done with worn-out brake blocks?

1. They should be repaired by welding

2. They should be lubricated

3. They should be replaced

4. They should be turned on a lathe

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30. What is the purpose of intensive examination of goods stock?

1. To condemn old wagons

2. To permit extended runs of through trains

3. To inspect newly built wagons

4. To repair accident-damaged wagons

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31. Which document contains the detailed guidelines for handling warranty rejections?

1. RDSO Manual G-95

2. Technical Pamphlet G-90

3. Appendix-C of the manual

4. Annexure-A of the manual

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32. How long can a loaded wagon be allowed to run after its POH due date?

1. 15 days

2. 30 days

3. 45 days

4. 60 days

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33. A crack in a Centre Pivot is an example of which type of warranty defect?

1. Welding defect

2. Riveting defect

3. Manufacturing/Fitting Defect

4. Material failure

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34. What must all newly built wagons bear as per warranty instructions?

1. A unique serial number

2. A warranty legend

3. The builder's logo

4. A manufacturing date code

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35. What should be done with old locking plates when the end cover is opened?

1. They should be greased and reused

2. They should be painted and reused

3. They should not be reused; a new one must be used

4. They should be filed down and reused

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36. Whose approval is needed to send a BOXN Category C wagon to the workshop as NPHW?

1. DRM

2. CRSE (Fr.)

3. PCME

4. GM

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37. What is the torque required for tightening End Axle cap bolts during ROH?

1. 20 kg-m

2. 30 kg-m

3. 40 kg-m

4. 50 kg-m

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38. Who should report defects for BOXN Category C repairs arising from loading/unloading damages?

1. The wagon driver

2. The consignee

3. The SSE(C&W) of the depot where damage is detected

4. The wagon manufacturer

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39. During ROH, what should CBC knuckles be checked with?

1. A measuring tape

2. A contour gauge

3. A magnifying glass

4. A hammer

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40. What must be done with the pintail of a lock bolt after installation?

1. It must be painted

2. It must be removed

3. It must be welded

4. It must be greased

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41. What is the codal life of a BOXN wagon as per the 2022 guidelines?

1. 25 years

2. 30 years

3. 35 years

4. 40 years

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42. What is the interval for the first ROH of a BOXN wagon?

1. 12 months

2. 18 months

3. 24 months

4. 36 months

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43. According to the document, what is the first POH interval for a BOXN wagon?

1. 4.5 years

2. 5 years

3. 6 years

4. 8 years

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44. Who has the power to approve the condemnation of over-age wagons?

1. Station Master

2. Loco Pilot

3. CWM/Dy. CME/WM-Incharge/Sr.DME

4. Train Manager

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45. Repairs involving up to 8 man-hours are classified as:

1. Petty Repairs

2. Medium Repairs

3. Special Repairs

4. Intensive Repairs

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46. What is the maximum speed allowed for a goods wagon attached to a passenger train?

1. 75 Kmph

2. 80 Kmph

3. 100 Kmph

4. 120 Kmph

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47. To which officer must a train's fitness certificate be given before dispatch from an originating station?

1. The Loco Pilot

2. The Station Master

3. The Train Manager

4. The Divisional Railway Manager

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48. What should be done immediately after a terminating train stops in the yard for examination?

1. Check the brake power

2. Inspect the wagon roofs

3. Feel the axle boxes for heat

4. Check the train pipe leakage

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49. Where must the warranty legend be stenciled on a new wagon?

1. On the roof only

2. On both sides of the wagons

3. Inside the wagon only

4. On the underframe only

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50. What is the standard warranty period for newly built wagons?

1. 12 months

2. 18 months

3. 24 months

4. 36 months

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