Tower Crane Practice Test Exam (questions and answers)
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Course
Nccco
Institution
Nccco
Tower Crane Practice Test Exam
(questions and answers)
Which of the following OSHA regulations govern suspended personnel platforms? -
CORRECT ANSWER-b) OSHA 1926.1431
(OJO) According to ASMR B30.3, the prohibited zone for power lines that are 60 kV is: -
CORRECT ANSWER-c) 15 ft.
According to...
Tower Crane Practice Test Exam (questions and answers ) Which of the following OSHA regulations govern suspended personnel platforms? - CORRECT ANSWER -b) OSHA 1926.1431 (OJO) According to ASMR B30.3, the prohibited zone for power lines that are 60 kV is: - CORRECT ANSWER -c) 15 ft. According to ASME B30.3, load hoist rotation resistant wire rope has a design factor of: - CORRECT ANSWER -d) 5 to 1 According to ASME B30.3, on whose recommendations should a preventative maintenance program be set up? - CORRECT ANSWER -d) Crane manufacturer When using cable or nylon spreaders it is important to remember: - CORRECT ANSWER -b) The lower the spreader angle the greater the tension (OJO) According to OSHA, when testing a man basket how long must the test pick be maintained? - CORRECT ANSWER -b) 5 minutes According to ASME B30.3, what is the minimum pitch diameter for load hoisting sheaves? - CORRECT ANSWER -c) Not less than 18 times rope diameter According to ASME B30.3 what is the minimum pitch diameter for load block sheaves? - CORRECT ANSWER -b) Not less than 16 times rope diameter According ASME B30.3, what is the minimum pitch diameter for boom hoist sheaves? - CORRECT ANSWER -a) Not less than 15 times rope diameter (OJO) According to OSHA, when lifting personnel the cranes hook must be the type that: - CORRECT ANSWER -a) Can be closed and locked According to OSHA, when working over water with a man basket are the people inside required to wear a belt/harness? - CORRECT ANSWER -a) No harness or belt required (OJO) According to ASME B30.3, when working near power lines where should caution stickers be installed? - CORRECT ANSWER -c) At operators station and at the base of the crane According to OSHA, a periodic inspection is: - CORRECT ANSWER -b) Montly to annually Cranes idle for more than 6 months must have inspections performed: - CORRECT ANSWER -a) Frequent and periodic Cranes idle for less than 6 months must have inspections performed: - CORRECT ANSWER -c) Frequent Craned lifting personnel platforms must have the platform and rigging inspected: - CORRECT ANSWER -a) Prior to each shift Crane hooks must not be twisted in excess of: - CORRECT ANSWER -a) 10 degrees A crane hook's throat open must not exceed: - CORRECT ANSWER -b) 15% of its original size By order of hitch strength, which is the correct answer? - CORRECT ANSWER -b) Basket, vertical, choker According to ASME B30.3 and OSHA, you should always have at least how many wraps on a hoist drum? - CORRECT ANSWER -b) 2 (OJO) What is the minimum allowable distance from the crane and power lines under 50kV? - CORRECT ANSWER -b) 10 ft. According to ASME B30.3, how many people randomly broken wires must there be to remove a running wire rope from service? - CORRECT ANSWER -a) 12 According to ASME B30.3, when working near power lines when is a signal person required? - CORRECT ANSWER -c) When crane moves within a booms length of power lines According to OSHA, after the crane has been checked out and before personnel lift operations begin the crew should: - CORRECT ANSWER -b) Have a pre -lift meeting According to OSHA, when is it safe to work closer than the allowable distance from power lines? - CORRECT ANSWER -c) When utility company says lines are de -
energized When should a tagline be used? - CORRECT ANSWER -a) When rotation of load would be dangerous What is the minimum design factor required for a boom hoist rope? - CORRECT ANSWER -b) 3.55 How many broken wires must be present in one strand of one lay for running wire rope to be removed from service? - CORRECT ANSWER -b) 4
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