Structural Design Specifications - Engineering

Q1:

In limit state method, the design bond stress of M 30 grade concrete for plain bars in tension, is

A l.O N/mm2

B 1.2 N/mm2

C 1.4 N/mm2

D 1.5 N/mm2

ANS:D - 1.5 N/mm2

Here,
M20 - 1.2.
M25 - 1.4.
M30 - 1.5.
M35 - 1.7.
M40 - 1.9.