Millwright - Rigging and Hoisting Questions & Answers 100% Accurate!
Millwright - Rigging and Hoisting Questions & Answers 100% Accurate! 1. Of a block and tackle with five rope falls and minimum friction, how much force is needed to retain 250lbs? a. 50 lbs b. 100 lbs c. 250 lbs d. 75 lbs - ANSWER-a. 50 lbs 250lbs/5 = 50 lbs 2. What diameter rope is needed to support two tons using a vertical lift? a. ½" b. ¾" c. 1" d. ¼" - ANSWER-a. ½" 3. What is the standard safety factor to consider for a platform supporting people? a. 1 : 1 b. 5 : 1 c. 10 : 1 d. 15 : 1 - ANSWER-c. 10 : 1 4. If a wire rope has a breaking strength of 15,000 lbs, determine the safe working load
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millwright rigging and hoisting questions answ
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millwright rigging and hoisting
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1 of a block and tackle with five rope falls and
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2 what diameter rope is needed to support two to
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