A. is equal to 1
B. is always less than 1
C. is always greater than 1
D. can be less than 1
A. 1/12 of strain at the initiation of strain hardening and about 1/120 of maxi-mum strain
B. 1/2 of strain at the initiation of strain hardening and about 1/12 of maxi-mum strain
C. 1/12 of strain at the initiation of strain hardening and 1/200 of maximum strain
D. 1/24 of strain at the initiation of strain hardening and about 1/200 of maximum strain
A. 16 mm
B. 20 mm
C. 24 mm
D. 27 mm
A. it is uneconomical
B. it cannot carry the load safely
C. it is difficult to connect beams to the round sections
D. all of the above
A. net area and gross area
B. gross area and net area
C. net area in both cases
D. gross area in both cases
A. stronger
B. weaker
C. equally strong
D. any of the above
A. black bolt
B. ordinary unfinished bolt
C. turned and fitted bolt
D. high strength bolt