6.1 In AC traction, minimum height of contact wire under ROB/FOB from rail level to permit “C”class ODC
(a) 4.92 m
(b) 4.80 m
(c) 4.65 m
(d) 5.03 m
Answer - (a) 4.92 m
6.2 In AC traction, height of contact wire at support from rail level (regulated OHE) with 50 mmpre sag in contact wire is
(a) 5.50 m
(b) 5.55 m
(c) 5.60 m
(d) 5.65 m
6.3 In AC traction, height of contact wire at support from rail level (regulated OHE) with 100 mmpre sag in contact wire is
(a) 5.50 m
(b) 5.55 m
(c) 5.60 m
(d) 5.75 m
Answer - (c) 5.60 m
6.4 In AC traction, height of contact wire from rail level in Car shed is
(a) 5.60 m
(b) 5.65 m
(c) 5.75 m
(d)5.80 m
Answer - (d)5.80 m
6.5 In AC traction, normal height of the catenary wire at support from rail level (regulated OHE)with 100 mm pre sag in contact wire is about
(a) 7.20 m
(b) 7.75 m
(c) 7.25 m
(d) 7.45 m
Answer - (a) 7.20 m
6.6 In AC traction, height of contact wire (unregulated OHE) for 40-centigrade to 650 degreecentigrade area is
(a) 5.5 m
(b) 5.55 m
(c) 5.6 m
(d) 5.75 m
Answer - (d) 5.75 m
6.7 In AC traction, height of contact wire (unregulated OHE) for 160 centigrade to 650 centigradearea is
(a) 5.55 m
(b) 5.6 m
(c) 5.65 m
(d) 5.75 m
Answer - (c) 5.65 m
6.8 In AC traction , height of termination of regulated OHE is
(a) 6.45 m
(b) 6.75 m
(c) 6.95 m
(d) 7.25 m
Answer - (b) 6.75 m
6.9 In AC traction, height of termination of unregulated OHE is
(a) 6.75 m
(b) 6.8 m
(c) 6.95 m
(d) 7.2 m
Answer - (c) 6.95 m
146.10 In AC traction, height of catenary termination for split anchor (regulated OHE) is
(a) 6.75 m
(b) 6.95 m
(c) 7.15 m
(d) 7.25 m
Answer - (a) 6.75 m
6.11 In AC traction, height of catenary termination for split anchor (unregulated OHE) is
(a) 6.75 m
(b) 6.95 m
(c) 7.15 m
(d) 7.25 m
Answer - (b) 6.95 m
6.12 In AC traction, height of contact termination for split anchor (regulated OHE) is
(a) 6.25 m
(b) 6.45 m
(c) 6.75 m
(d) 6.95 m
Answer - (a) 6.25 m
6.13 In AC traction, height of contact termination for split anchor (unregulated OHE) is
(a) 6.25 m
(b) 6.45 m
(c) 6.75 m
(d) 6.95 m
Answer - (b) 6.45 m
6.14 In AC traction, height of termination of return conductor is
(a) 6.75 m
(b) 6.95 m
(c) 7.25 m
(d) 7.45 m
Answer -(a) 6.75 m
6.15 At level crossing gate, maximum height of rail height gauge from the road surface is
(a) 4.38 m
(b) 4.67 m
(c) 4.80 m
(d) 4.45 m
Answer - (b) 4.67 m
6.16 At level crossing gate, minimum distanceof rail height gauge from the nearest track should be
(a) 4 m
(b) 8 m
(c) 10 m
(d) 12 m
Answer - (b) 8 m
6.17 In AC traction, height of contact wire at level crossing from rail level (regulated OHE)
(a) 5.50 m
(b) 5.55 m
(c) 5.60 m
(d) 5.65 m
Answer - (a) 5.50 m
6.18 In AC traction, tolerance in height of catenary wire from rail level at support is ( As perRDSO latter no.TI/OHE/GA/3013 dated 14.05.13
(a) Zero
(b) ± 50 mm
(c) ± 20 mm
(d) ) ± 10 mm
Answer - (b) ± 50 mm
6.19 Tolerance of catenary wire height is (As per RDSO latter no. TI/OHE/GA/2013 dated14.05.1013)(a) ± 30 mm
(b) ± 50 mm
(c) ± 10 mm
(d) Zero
Answer - (b) ± 50 mm
6.20 In AC traction , the minimum height of contact wire is
(a) 4.69 m
(b) 4.79 m
(c) 4.92 m
(d) 4.89 m
Answer - (a) 4.69 m
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