ultimate stress

yield stress

proof stress

none of the above

less than 1

equal to 1

greater than 1

less than 1 in beams but greater than 1 in channels

wood work

iron work

both wood work and iron work

none of the above

Both A and R are true and, R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A

A is true but R is false

A is false but R is true

0.2 liter

0.4 liter

0.6 liter

0.8 liter