Rigging Guides d'étude, Notes de cours & Résumés

Overhead cranes with more than one hoisting unit shall have? - Answer Its rated load marked on it. How often does O.S.H.A. require a written wire rope inspection? - Answer Once a month What is the purpose of the "E" (Emergency) stop on an overhead crane? - Answer Removes power to entire crane. Most loads should be rigged to within how many degrees of level? - Answer 5 According to ASME B30.2, what is the safety factor for rigging? - Answer 5 to 1 According to O.S.H.A. fr...

A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required? - CORRECT ANS Diam=12" 12/4=3" 25fpm=3" 100fpm + 25fpm= 12"+3"= 15" sheave A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - CORRECT ANS Replace it with a larger MOV On a Ward-Leonard circuit the break is set, but the motor is trying to slip through the break. What is the issue? - CORRECT ANS Suicide Circ...

Advanced Rigging Final Examination – Qs & As

During a rigging operation if an emergency happens who has the authority to give the emergency stop hand signal? CORRECT ANSWER (Anyone on the ground who is in sight of the crane operator). The recommendation when lifting a load longer then __________ is to use two choker hitches. CORRECT ANSWER (12 feet) A hand-operated winching device that should never be used for vertical overhead lifting is a (CORRECT ANSWER come-along All chain hoists use a ____________ to lift heavy loads. CORRECT...

Advanced Rigging – Questions With Solutions

1. A load chart range diagram can best be used to help identify:: net capacity 2. for mobile crane working at maximum radius, exceeding what percentage of the cranes capacity requires the radius to be verified?: 80% 3. the minimum depth of thread engagement for a 1/2 in eyebolt into steel object is?: 3/4 in 4. when tying knots in synthetic rope lashing, the rated load is increased by 50% ?: false 5. the size of shackle that can be used in the eye of a wire rope sling must be the wire rope...

UA Rigging with answers graded A+ 2024/2025 passed ___ rope should be light in color with a silvery or pearl luster and a waxy surface. - correct answer Manila Polypropylene rope is about ___ times stronger than manila rope. - correct answer 1 3/4 ___ rope is manufactured in "film" form rather than extruded filaments and then shredded into fine strips to form fibers. - correct answer Mylar Sizes of rope used in the piping industry are designated as ___. - correct answer diameters ...

Rigging 101 Final Exam 2023/2024 Questions with Complete Solutions Graded A+ Oxygen bottles that are properly secured in a rack or stand designed for lifting/handling would be considered a critical rigging option. - Correct Answer false There are three slings hanging from a hook. Each sling has the capacity of 2,000 pounds. What is the heaviest load that could be lifted using these slings if they were attached to a single point? - Correct Answer 2,000 lbs The minimum depth of thread engag...

Advanced rigging v3 workbook questions well answered 2024/2025Mechanical moment is the same as A. Speed B. Force C. Momentum D. leverage - correct answer leverage Adding counterweights to the rear of the upper works of a crane should have which of the listed effects? A. Moves center of gravity farther away from the counterweights B. Moves center of gravity towards the counterweights - correct answer B. Moves center of gravity towards the counterweights Cribbing is useful for ...

Advanced rigging test 2 Questions with CompleteSolutions 1) What is meant by the term "two blocking - Correct Answer The load block contacts the boom point sheaves. 2) lifting 20,000lbs, with a 2-leg bridle sling at a 30 horizontal sling angle, what is force applied to each leg? - Correct Answer 20,000 3) In multiple crane lifts using an equalizer beam, the weight of the beam should be considered: - Correct Answer Part of the load weight 4) What is required if there is a deviation in ...