Bottom openings 15 cm x 15 cm in the standing baffle wall are provided
Options
A. 15 cm c/c
B. 22.5 cm c/c
C. 30 cm c/c
D. 50 cm c/c.
Correct Answer
22.5 cm c/c
More questions
1. Pick up the correct statement from the following :
Options
A. with both handles in his left hand, the chain man throws out the chain with his right hand and the second chain man assists him to free it from knots
B. the follower of the chaining operation should be more experienced than the leader
C. at the end of the tenth chain length, the two chain men meet and the ten arrows are handed over to the leader