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GATE Exam Questions - Engineering

Q1:

Which one of the following set of values give the minimum clear cover (in mm) for the main reinforcements in the slab, beam, column and footing, respectively, according to IS : 456-1978 ?

A 20, 25, 30, 75

B 5, 15, 25, 50

C 15, 25, 40, 75

D none of the above

ANS:C - 15, 25, 40, 75

Slab 20mm,
Beam 25mm,
Column40mm,
Footing 50mm this is the correct answer.