A. both arms are horizontal
B. semaphore arm lowered but warner arm horizontal
C. both semaphore and warner arms lowered
D. none of the above
Related Mcqs:
- The height of the center of arm of a semaphore signal above the ground is_________________?
A. 5.5m
B. 6.5 m
C. 7.5 m
D. 8.5m - The compensation for curvature on gradient for Meter Gauge is given by________________?
A. 70/R
B. 52.5/R
C. 35/R
D. 105/R
where R is radius of curve - The correct relation between curve lead (CL), switch lead (SL) and lead of cros¬sing (L) is given by__________________?
A. CL = L – SL
B. L =CL-SL
C. SL = L + CL
D. L = (CL+SL)/2 - If a is the angle of crossing, then the number of crossings ‘N’ according to right angle method is given by_________________?
A. Vi cot(cc/2)
B. cot(oc/2)
C. cot(A)
D. Vi cosec(a/2) - The maximum degree of curvature for Meter Gauge is limited to_________________?
A. 10°
B. 16°
C. 30°
D. 40° - Composite sleeper index is the index of___________________?
A. hardness and strength
B. strength and toughness
C. toughness and wear resistance
D. wear resistance and hardness - Staggered joints are generally provided__________________?
A. on curves
B. on straight track
C. when two different rail sections are required to be joined
D. none of the above - What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gauge track?
A. 28.49 m
B. 21.04 m
C. 14.24 m
D. 7.45 m - Minimum composite sleeper index pres-cried on Indian Railways for a track sleeper is_______________?
A. 552
B. 783
C. 1352
D. 1455 - The cross-sectional area of 52 kg flat footed rail is_________________?
A. 6155 mm2
B. 6615 mm2
C. 7235 mm2
D. 7825 mm2