Engineering :: Railway Engineering
|
|
|
|
|
71. |
The adjustment of rails is usually needed when creep exceeds |
A. |
50 mm |
B. |
100 mm |
C. |
150 mm |
D. |
none of these |
Answer: Option C
Explanation:
|
72. |
The flow of rail metal due to abnormally heavy loads is called |
A. |
hogging |
B. |
buckling |
C. |
wear of rails |
D. |
creeping |
Answer: Option C
Explanation:
|
73. |
In India, permissible limit of rail wear is |
Answer: Option A
Explanation:
|
74. |
When a train passes on curves which have no superelevation, it will give thrust on the |
A. |
inner rail |
B. |
outer rail |
C. |
inner side of inner rail |
D. |
inner side of outer rail |
Answer: Option D
Explanation:
|
75. |
When the train moves on the rail, it causes constant reversal of stresses. |
Answer: Option A
Explanation:
|
76. |
A good sleeper whould be such that |
A. |
the rails can be easily fixed and taekn out from the sleeper without moving them |
B. |
it can provide sufficient bearing area for the rail |
C. |
it can provide sufficient effective bearing area on the balast |
D. |
all of the above |
Answer: Option D
Explanation:
|
77. |
The chief function of sleepers is to |
A. |
support the rails |
B. |
keep the two rails at correct gauge |
C. |
distribute the load coming on rails to the ballast |
D. |
all of the above |
Answer: Option D
Explanation:
|
78. |
The wooden sleepers are the ideal sleepers |
Answer: Option A
Explanation:
|
79. |
Sleepers which satisfy all of the requirements and are only suitable for track circuiting are |
A. |
wooden sleepers |
B. |
steel sleepers |
C. |
cast iron sleepers |
D. |
R.C.C. sleepers |
Answer: Option A
Explanation:
|
80. |
The life of wooden sleepers depends upon |
A. |
quality of the timber used |
B. |
ability to wear decay |
C. |
resistance to white ants |
D. |
all of these |
Answer: Option D
Explanation:
|
Read more:
|
|