Railway Engineering free Model online Test2

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1. The type of spike used for fixing chairs of bull headed rails to wooden sleepers is _____.
dog spike	rail screw
elastic spike	round spike

2. The sleepers resting directly on girder are fastened to the top fiange of girder by ______.
hook bolts	dog spikes
fang bolts	rail screws

3. Number of keys used in CST-9 sleeper is ______.
2	3
4	none of the above

4. Loose jaws of steel trough sleepers are made of ______.
cast steel	mild steel
cast iron	spring steel

5. Number of cotters used in CST-9 sleepers is _____.
2	3
4	5

6. Pandrol clips cannot be used with ______.
wooden sleepers	concrete sleepers
CST-9 sleepers	steel trough sleepers

7. The desirable rate of change of cant deficiency in case of Metre Gauge is _____.
20 mm/sec	35 mm/sec
55 mm/sec	65 mm/sec

8. The limiting value of cant excess for Broad Gauge is _____.
55 mm	65 mm
75 mm	100 mm

9. The limiting value of cant gradient for all gauges is _____.
1 in 360	1 in 720
1 in 1000	1 in 1200

10. Normally the limiting value of cant is ______.
G/8	G/10
G/12	G/15

11. Vertical curves are provided where algebraic difference between grades is equal to or _____.
less than 2 mm/m	more than 2 mm/m
less than 4 mm/m	more than 4mm/m

12. The limiting value of cant deficiency for Metre Gauge routes is ______.
40 mm	50mm
75mm	100mm

13. The steepest gradient permissible on a 2.5° curve for Broad Gauge line having ruling gradient of 1 in 200 is _____.
1 in 250	1 in 222
1 in 235	1 in 275

14. Normally maximum cant permissible in Metre Gauge is ______.
75 mm	90 mm
140 mm	165 mm

15. Cant deficiency occurs when a vehicle travels around a curve at _____.
equilibrium speed	speeds higher than equilibrium speed
speeds lower than equilibrium speed	booked speed

16. The compensation for curvature on gradient for Metre Gauge is given by _____.
70/R	52.5/R
35/R	105/R

17. The shape of transition curve used by Indian Railways is ______.
cubic parabola	spiral
sine curve	lemniscate of Bernoulli

18. A Broad Gauge branch line takes off as a contrary flexure from a main line If the superelevation required for branch line is 10 mm and cant deficiency is 75 mm, the superelevation to be actually provided on the branch line will be _____.
10 mm	64 mm
85 mm	65 mm

19. One degree of curve is equivalent to ______.
1600/R	1700/R
1750/R	1850/R

20. Switch angle is the angle between ______.
the gauge face of the stock rail and tongue rail	the outer face of the stock rail and tongue rail
the gauge face of the stock rail and outer face of the tongue rail	the outer face of the stock rail and the gauge face of the tongue rail