An expansion gap of …. is usually kept between the adjoining rail en – McqOptions

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1.	An expansion gap of …. is usually kept between the adjoining rail ends to allow for expansion of rail, due to variation in temperature.
A.	10 to 15 mm
B.	6 to 8 mm
C.	1 to 3 mm
D.	3 to 5 mm
Answer» C. 1 to 3 mm

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