Basic Civil Engineering Objective Questions - Set 04 - ObjectiveBooks

Basic Civil Engineering Objective Questions - Set 04

Practice Test: Question Set - 04


1. Pick up the incorrect statement from the following. Required tilt of 1 in 20 is provided
    (A) To the tops of rails
    (B) At rail seats in bearing plates
    (C) At rail seats in chairs
    (D) At rail seats in metal sleepers

2. The formation width for a railway track depends on the
     (i) Type of gauge
     (ii) Number of tracks to be laid side by side
     (iii) Slope of sides of embankment or cutting
The correct answer is
    (A) Only (i)
    (B) Both (i) and (ii)
    (C) Both (i) and (iii)
    (D) (i), (ii) and (iii)

3. If a 0.7% upgrade meets a 0.65% downgrade at a summit and the permissible rate of change of grade per chain length is 0.10%, the length of the vertical curve, is
    (A) 10 chains
    (B) 12 chains
    (C) 14 chains
    (D) 16 chains

4. Main disadvantage of steel sleepers, is:
    (A) It gets rusted quickly
    (B) Its lugs sometimes get broken
    (C) Its lugs sometimes get split
    (D) All the above

5. For a Broad Gauge route with (M + 7) sleeper density, number of sleepers per rail length is
    (A) 18
    (B) 19
    (C) 20
    (D) 21

6. Bearing plates are used to fix
    (A) Flat footed rails to the wooden sleepers
    (B) Double headed rails to the wooden sleepers
    (C) Bull headed rails to the wooden sleepers
    (D) Flat footed rails to the cast iron sleepers

7. On a single line track, 10 goods trains loaded with iron ore run from A to B and empty wagons return from B to A daily. Amount of creep of the rails will be
    (A) Zero
    (B) More in the direction A to B
    (C) More in the direction B to A
    (D) None of these

8. The desirable rate of change of cant deficiency in case of Metre Gauge is
    (A) 20 mm/sec
    (B) 35 mm/sec
    (C) 55 mm/sec
    (D) 65 mm/sec

9. At a rail joint, the ends of adjoining rails, are connected with a pair of fish plates and
    (A) 2 fish bolts
    (B) 4 fish bolts
    (C) 6 fish bolts
    (D) 8 fish bolts

10. If the standard length of a B.G. crossing is 597 cm, the number of crossing, is
    (A) 1 in 8½
    (B) 1 in 12
    (C) 1 in 16
    (D) None of these

11. Switch angle is the angle between
    (A) The gauge face of the stock rail and tongue rail
    (B) The outer face of the stock rail and tongue rail
    (C) The gauge face of the stock rail and outer face of the tongue rail
    (D) The outer face of the stock rail and the gauge face of the tongue rail

12. Pick up the incorrect statement from the following:
    (A) Sleepers transfer the load of moving locomotive to the girders of the bridges
    (B) Sleepers act as a non-elastic medium between the rails and ballast
    (C) Sleepers hold the rails at 1 in 20 tilt inward
    (D) Sleepers hold the rails loose on curve

13. On Broad Gauge main lines with maximum traffic loads, the rail section preferred to, is
    (A) 29.8 to 37.3 kg/m
    (B) 32.5 to 42.5 kg/cm
    (C) 44.7 to 56.8 kg/m
    (D) None of these

14. The treadle bar is provided
    (A) In the middle of the track a little in front of the toes of the tongue rail
    (B) Near and parallel to inner side of one of the rails
    (C) At right angle to the rail
    (D) Near and parallel to inner side of both the rails

15. Heel of crossing is the line joining
    (A) Ends of splice rail and point rail
    (B) Ends of lead rails butting the crossing
    (C) Ends of wing rails
    (D) Throat and actual nose of crossing

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