Large diameter reinforced cement concrete (RCC) pipes are generally joined by ____________________ joint ?

A. Sorbite
B. Bainite
C. Martensite
D. Troostite

A. Nitrous oxide
B. Nitric oxide
C. Nitrogen trioxide
D. Nitrogen pentoxide

A. Nuclear fission
B. Nuclear fusion
C. A combination of both nuclear fission & fusion
D. None of these

A. Casting
B. Pattern
C. Draft
D. Distortion

A. 5
B. 1.25
C. 2.5
D. 3.75