Railway Engineering Multiple Choice Questions and Answers

131. Two-way keys are not used with

1. wooden sleeper
2. steel sleeper
3. cast iron sleeper
4. concrete sleeper

132. Type of concrete sleepers tried is

1. R.C.C. sleeper similar to wooden sleeper
2. two R.C.C. blocks connected by steel bar
3. Pre-stressed concrete sleeper
4. all the above

133. Welded rails up to.................have been used.

1. 30 m
2. 100 m
3. 800 m
4. 1300 m

134. When crossing number is 1 in , length of tongue rail on broad gauge should be

1. 4.72 m
2. 6.4 m
3. 8.46 m
4. 9.76 m

135. Which of the following statement is wrong?

1. Coning of wheels is necessary to prevent rubbing of flange of wheel with rails.
2. Coning is provided at 1 in 20 slope.
3. In coning wheels are given an outward slope.
4. Coning of wheels is required only in curves.

136. Which one of the following is not a method of plate laying?

1. Side method.
2. Telescope method.
3. British method.
4. American method.

137. Which one of the following is not a type of crossing used in railways?

1. square crossing
2. rectangular crossing
3. spring crossing
4. ramped crossing

138. Which one of the following is not correct? Length of transition curve shall be maximum of

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139. Which one of the following is not correct? Requirement of good joint

1. strength should be same as the original rail section
2. it should withstand lateral pressure without altering the gauge length
3. it should provide sufficient elasticity so that vibration and shocks are absorbed
4. it should not allow for expansion.

140. Which one of the following is not elastic fastener?

1. pandrol
2. INR–202
3. cotter
4. lock spike