This set of Railway Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Adjustment of Creep and Creep Adjuster”.
1. For the adjustment of creep what type of survey is conducted?
a) Survey of Ballast quantity
b) Survey of expansion gaps
c) Survey of lateral load
d) Gradient survey
Explanation: For adjustment of creep, firstly we need to know the number of expansion gaps. Thus a survey regarding the expansion gaps and position of rail joints is carried out.
2. The fish plates at both the ends are removed for the adjustment in creep.
Explanation: For the adjustment of creep fish plates from one side are removed and the other end fish pates are loosened. Spikes are also removed or loosened.
3. In pulling back of rails how many rails can be dealt with at a time?
a) At least 5
b) Not more than 5
c) Only one
d) Two rails
Explanation: Rails are long and heavy. Huge manpower is required for this purpose. Thus rails are pulled one by one and is a slow process.
4. Where is the creep adjuster placed on the track?
a) In the middle
b) On the joint
c) Between the joint and the mid-point
d) Anywhere on the track
Explanation: Creep adjuster is generally used when excessive work is involved. It is placed at the middle of the track with wide and jammed joints behind and ahead of it respectively.
5. How are the gaps closed by using the creep adjuster?
a) By pulling the rail backwards
b) By pushing the rail forward
c) By lifting up the rail
d) By cutting the rail short
Explanation: The gaps are closed using the creep adjuster by pushing the rails forward. A gap of few inches is left behind among the rail ends in opposite direction of the adjuster.
6. What happens when the operation leaves some of the expansion gaps too wide?
a) They are left forever
b) They are filled with some material
c) They are tackled in the next position
d) A piece of rail is inserted
Explanation: The corrected rails are fastened with keys and then the rails on other side are tackled. The expansion gap which is too wide if left, it is tackled in the next position of the creep adjuster.
7. Which of the following locations of Track is least susceptible to creep?
a) Dip in stretches with long gradients
b) Point where steel sleeper track meets a wooden sleeper track
c) Point where steel sleeper track meets a CST-9 sleeper track
d) Point where CST-9 sleeper track meets a wooden sleeper track
Explanation: Some locations are more susceptible to creep. This includes approaches to major girder bridges, dip in stretches with long gradients, point where steel sleeper or CST-9 track meets a wooden sleeper track.
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