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Railway tracks are laid on large sized w...

Railway tracks are laid on large sized wooden, iron or cement sleepers. Why?

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It is done so that the thrust due to weight of train is spread over a large area of ground. As a result of it, the pressure on ground would reduce and hence would prevent the yielding of ground.
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Give reasons for the following statements: (a) Railway tracks are laid on large sized wooden sleepers. (b) It is difficult to walk on and. (c) Walking bare footed on a pebbled path is painful.

Assertion : Railways tracks are laid on small sized wooden sleepers. Reason : Small sized wooden sleepers are used so that rails exert more pressure on the railway track. Due to which rail does not leave the track

These questions consist two statements each, printed as Assertion and reason, while answering these question you are required to choose any one of the following four responsis: (a) If both the assertion and reason are true and reason is a true explanation of the assertion. (b) If both the assertion and reason are true but the reason is not the correct explanation of assertion. (c ) If the assertion is true but reason is false. (d) If both the assertion and reason are false. Q. Assertion: Railway tracks are laid on small-sized wooden sleepers. Reason: Small sized wooden sleepers are used so that rails exert more pressure on the railway track. due to which rail does not leave the track.

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