Engineering Materials - Engineering

Q1:

According to Indian standard specifications, SG 400/15 means

A spheroidal graphite cast iron with B.H.N. 400 and minimum tensile strength 15 MPa

B spheroidal graphite cast iron with minimum tensile strength 400 MPa and 15 percent elongation

C spheroidal graphite cast iron with minimum compressive strength 400 MPa and 15 percent reduction in area

D none of the above

ANS:B - spheroidal graphite cast iron with minimum tensile strength 400 MPa and 15 percent elongation

Explanation: No answer description is available.