OBJECTIVE –QUESTIONS ON TRD (PART - 1 )
1. Expand TRD ----------------------------------------------------------------------------------
2. Maximum distance between two Discharge Rods -----------------------------
3. Discharge Rods should generally be placed at a maximum permissible distance from the work spot. (True/False)
4. Is it compulsory to test the line dead by a slight touch of discharge rod at Resister tube prior to
placement of discharge rod on OHE wires? (Yes/NO)
6. 1 Meter = ----------------------- mm.
7. Broad Gauge of Railway is --------------------------------- mm.
8. The minimum permissible OHE voltage at SP is ----------------------KV.
9. Cable size of OHE Discharge rod is -------------------- sq.mm.
10.The safe working distance for 25KV AC OHE is ---------------------.
11. The DJ open caution board comes after the Neutral Section.(True /False).
12. Height of Height Gauge is --------------------
13. Height Gauge is used at --------------------------
14. The caution board that should be displayed on Height gauge is ----
a) No caution board shall be displayed. b) Danger Board.
c) Power block Working Limit d) Caution Electrified Section.
15.Name the Caution Board for different Elementary Sections?
16. Traffic hauled by Diesel Power may be permitted into the section under Power Block.(True/False).
17. TI/MI is issued by RDSO. (True/False)
18. Discharge Rods is a safety item.(True/False)
19. Fire Extinguisher suitable for an electrical fire/ fire in live electrical equipment?
20. IR value for an OHE elementary section?
21. Track Protection should be done as per G&SR rule No.-------------------------
22. Expand – ACTM- ---------------------------------------------------------------------
23. 1 Tone = -------------------------------- Kg.
24. Codel Life of a Detonator ----------------------------
25. Which Tool is used to tackle heavy loads & tensile force-
a) Discharge Rod. b) Max-Puller
c) Grease Gun d) Power Hack Saw.
26. The Tool named Pull-Lift is used for?
a) To earth OHE. b) POH of ATD
c) To hold weight of contact wire. d) Non of the above.
27. The tool used to make a perfect gripe on OHE wires is-
a) Come along Clamp b) Max-Puller
c) Pull-Lift d) Rope pulley block
28. In case of 25KVAC system electrical clearance is greater than working clearance.
.(True/False)
29. The Competency Certificate No. for a OHE Lines man is ---------------------
30. What is Super Elevation?
a) Length of Super Mast.
b) Mast more than 9.5mt length.
c) The uplift of outer rails on curved tracks.
d) Height difference in contact wire at turn-outs.
31. The Caution Board that must be displayed on FOB/ROBs –
a) Caution 25000 volts.
b) DJ opens board
c) Lower Panto
d) Danger Men working.
32. Caution Board applicable at Dead-End OHE termination is –
a) Caution OHE ahead is alive.
b) Restricted Clearance.
c) Electric Engine Stop
d) Unwired Turn-Out.
33. The section between a TSS and SP is called as ----------------------------.
34. The section between a TSS and SSP is called as ----------------------------
35. The section between a SSP and SP is called as ----------------------------
36. As per ACTM the section that’s supply is controlled by a CB is called as---------
37. As per ACTM the section that’s supply is controlled by a BM is called as---------
38. The elementary section supply is controlled by a-
a) CB
b) BM
c) Hand operated off load switch.
d) BX
39. What is shown in mutually contrast colour in a OHE sectioning diagram?
a) Sector
b) Sub-Sector
c) Elementary Section
d) Non of the above.
40. According to ACTM ; fire is classified into --------- categories.
41. Inflammable liquids like Transformer oil is categorized as group ----------- fire.
42. Which schedule maintenance has a periodicity of four years.?
a) AOH
b) IOH
c) POH
d) Non of the above.
43. Which schedule maintenance has a periodicity of twelve months?
a) AOH
b) IOH
c) POH
d) Non of the above
44. Schedule maintenance Foot Patrolling of a section is done by a Lines Man at an interval of 10 to 15 days.(True/False)
45. The re-tensioning of un-regulated OHE is done at an interval of --------- years.
46. Periodicity of Special Check of OHE is –
a) 15 days
b) 45 days
c) 5 years
d)No defined periodicity, it depends upon usage and chance of failure of the Equipment.
47.Oliver –G is used for –
a) Thickness of OHE
b) Sag in OHE
c) Height and Stagger of OHE.
d) Non of the above.
48.Oliver –G is used for current collection Test.(True /False)
49.Oliver –G can be used in Day time only and not in the night.(True/False)
50.Why it is better to use Oliver-G for Current Collection Test.-
a) It can be used in day & night.
b) No work man is required.
c) Indicates exact spark location
e) It is modern and so, is better.
ANSWER
1. Traction Distribution. 2. 1000 mts. 3. False. 4. Yes.
5. Permit to work. 6. 1000 7. 1676 8.19
9. 40 10. 2 11. True 12. 4.67 mts.
13. Level Crossing. 14. b 15. Power Block working limit.
16.True 17. True 18.True 19. DCP
20. 25MΩ 21. 15.09 (1) b 22. Alternating Current Traction Manual.
23. 1000 24. 7 25. b 26. c 27. a 28. False.
29. TR-01 30.c 31. a 32.c 33.Sector. 34.Sub-Sector.
35.Sub-Sector. 36.Sector. 37.Sub-Sector. 38.c 39.c
40.4 41.B 42. c 43. a 44. True
45. 2 46. d 47. d 48. True
49. False 50. c
29. TR-01 30.c 31. a 32.c 33.Sector. 34.Sub-Sector.
35.Sub-Sector. 36.Sector. 37.Sub-Sector. 38.c 39.c
40.4 41.B 42. c 43. a 44. True
45. 2 46. d 47. d 48. True
49. False 50. c
