1. They improve the track modulus.
2. They have good scrap value.
3. They render transportation easy.
4. They maintain the gauge quite satisfactorily.Of these statements
A. 1 and 2 are correct
B. 2 and 3 are correct
C. 3 and 4 are correct
D. 1 and 4 are correct
Related Mcqs:
- Which of the following statements regarding ballast materials are correct ?
A. Brick ballast has poor drainage characteristics.
B. Coal ash is not used as ballast with steel or cast iron sleepers.
C. Gravel ballast gives better performance on soft formation.
D. Sand ballast causes excessive wear on top of rail - Study the following statements regarding creep_________________?
i) Creep is greater on curves than on tangent railway track
ii) Creep in new rails is more than that in old rails
iii) Creep is more on steep gradients than on level track
The correct answer is?A. only (i)
B. (i)and(ii)
C. (ii) and (iii)
D. (i), (ii) and (iii) - Which of the following turnouts is most commonly used for goods train on Indian Railways ?
A. 1 in 8’/2
B. 1 in 12
C. 1 in 16
D. 1 in 20 - Which of the following devices is used to transfer the wagons or locomotives to and from parallel tracks without any necessity of shunting ?
A. triangle
B. turntable
C. traverser
D. scotch block - Which one of the following rail failures is caused by loose fish bolts at expansion joints ?
A. crushed head
B. angular break
C. split head
D. transverse fissures - Which of the following mechanical devices is used to ensure that route cannot be changed while the train is on the point even after putting back the signal ?
A. detectors
B. point lock
C. iock bar
D. stretcher bar - Which of the following types of sleepers is preferred on joints ?
A. CST-9 sleeper
B. steel trough sleeper
C. wooden sleeper
D. concrete sleeper - The following tests are conducted for rails _________________?
i) falling weight test
ii) tensile test
iii) hammer test
The compulsory tests are?A. only (i)
B. (i)and(ii)
C. (ii) and (iii)
D. (i) and (iii) - Which of the following factors govern the choice of the gauge ?
i) volume and nature of traffic
ii) speed of train
iii) physical features of the country
The correct answer is ?A. only (i)
B. both (i) and (ii)
C. both (ii) and (iii)
D. (i), (ii) and (iii) - Normally the limiting value of cant is________________?
A. G/8
B. G/10
C. G/12
D. G/15where G is the gauge
