The space between detaching hook, measured from the centre of the hole for attaching it to the rope shackle and the detaching bell plate, where the cage or other means conveyance is at the normal position at the top of the shaft not less than . . . . . . . . meters where a direct acting engine is used.

A. 1.2

B. 1.5

C. 3.6

D. 1.8

Answer: Option C