Question 317 Deck General

The correct answer is C) The crane jib is raised and lowered by the luffing winch. The crane jib, which is the arm of the crane, is raised and lowered by the luffing winch. This is in accordance with standard crane operation procedures and regulations. The hoisting winch is used to raise and lower the cargo block, while the jibing winch is not a standard crane component and is not used to operate the crane jib. The other answer choices are incorrect because A) the hoisting winch raises and lowers the cargo block, not the crane jib, B) the cargo block is raised and lowered by the hoisting winch, not the luffing winch, and D) there is no "jibing winch" on a crane.