Question 16 of 30
A single sheave block is used to
A
Prevent the wire from being damaged
B
Act as a lead block
C
Eliminate friction
D
Increase the power gained
Advertisement
Answer & Explanation
The correct answer is Option B: Act as a lead block.
A single sheave block, when used in a derrick or lifting arrangement, primarily functions as a lead block. It redirects the line of pull, allowing the rope to run smoothly and efficiently, often in conjunction with other blocks.