NCCCO Tower Crane Exam Questions and Answers Latest Update 2024/2025 (100% Correct)

NCCCO Tower Crane Exam Questions and Answers Latest Update 2024/2025 (100% Correct) Hydraulic systems should have their proper fluid level checked - ANSWER Daily If power fails during operations, the following shouldn't apply - ANSWER Do your best to finish moving load where it was designated to go If load is undetermined who is to find out if load weight does not exceed crane rating at radius at which the load is to be lifted - ANSWER Person responsible for lift Where should climbing instructions be kept - ANSWER ON Site All climbing operations shall be performed under the supervision of - ANSWER Qualified person When cranes are erected, load limiting devices shall be tested for proper setting and operation - ANSWER Before crane is placed in service Hooks shall be equipped with latches unless the application makes the use of the latch - ANSWER Impractical Size and position of signs or panels must satisfy the limitations of - ANSWER Manufacturer Fall prevention measures are needed for working at locations where you are exposed - ANSWER To a fall of 6ft or more Travel distance on hand levers shall not be greater - ANSWER than 14 inches from neutral position For power lines rated 175KV the minimum clearance between the lines and any part of the crane or load is - ANSWER 15ft All controls shall be tested by the operator at the - ANSWER start of new shift Before each climbing operation all load members of the support system shall be - ANSWER Inspected Chain slings are required to be - ANSWER ID tagged Welding on loads suspended by the crane can only be done if the load has - ANSWER Insulated slings NCCCO Tower Crane Exam Questions and Answers Latest Update 2024/2025 (100% Correct) How much does an average cubic yard of concrete weight - ANSWER 4,000 lbs Main power switch for tower crane is - ANSWER At base of crane Items not listed in the frequent inspection checklist are - ANSWER Hydraulic pumps and valves for excessive wear or damage When is it necessary to determine that there is no practical alternative way to perform the needed work or to gain access to the area - ANSWER Personnel Lift Each series of voice signals shall contain three elements stated in the following order - ANSWER Function and Direction - Distance and speed - Function stop When lifting personnel communication shall be maintained between three of the next four - ANSWER Person(s) being lifted - Operator - Signal person The condition when the tower load block or hook assembly comes in contact with the upper - ANSWER Two-blocking Load bearing members of the climbing and support system shall be inspected before each - ANSWER Climbing operation Where shall a wind velocity indicating device be mounted - ANSWER At or near the top of crane A velocity readout shall be provided - ANSWER At the operators station The area inside the self erecting tower cranes tail swing must be - ANSWER Barricaded The self erecting tower crane must be properly grounded according with the - ANSWER National electric code (NEC) Self Erecting tower crane erection must be performed by - ANSWER Qualified person Extensive planning must occur before a self erecting tower crane arrives on the job site. The plan should be divided into two major sections as follows - ANSWER Delivery, set up, erection and dismantle - Lifting operations According to ASME B30.3 the minimum wraps to be left on a hoist drum are - ANSWER 3 How much does a cubic foot of steel weigh - ANSWER 490lbs When operating a tower crane and there is an uncontrolled movement, the operator should - ANSWER Engage emergency stop What will not create a change in stability - ANSWER Pulling off a fixed load When performing a load test on a tower crane that travels. How should the job be set - ANSWER So the maximum weight is on the bogie When plumbing a tower crane after it has been climbed, the crane must - ANSWER be balanced Which of the following OSHA regulations govern suspended personnel platforms - ANSWER OSHA 1926.550(g) According to ASME B30.3, the prohibited zone for power lines that are 60kV is - ANSWER 15ft. ASME 3-3.3.4.3(1) Table 1 According to ASMA 30.3, load hoist rotation resistant wire rope has a design factor of - ANSWER 5 to 1 ASME 3-1.5.5(b) According to ASME B30.3, when lifting a suspended personnel platform the design factor for the rigging hardware is - ANSWER 5 to 1 ASME 3-3.2.2(b)(3) According to ASME B30.3, Load hoist ropes that are not rotation must have a design factor of - ANSWER 5 to 1 ASME 3-1.5.5(b) The OSHA construction standard for rigging equipment is - ANSWER 1926.251 According to ASMA B30.3, on whose recommendations should a preventative maintenance program be set up - ANSWER Crane manufacturer ASME 3-2.3.1(a) When using cable or nylon spreaders it is important to remember - ANSWER The lower the spreader angle the greater the tension According to OSHA when testing a man basket how long must the test pick be maintaned - ANSWER 5 minutes. OSHA 1926.550 (g)(5)(vi) According to ASME B30.3, what is the minimum pitch diameter for load hoisting sheaves - ANSWER not less than 18 times rope diameter ASME 3-1.5.4(d) According to ASME B30.3, what is the minimum pitch diameter for load block sheaves - ANSWER not less then 16 times rope diameter ASMA 3-1.5.4(d) According to ASME b30.3, what is the minimum pitch diameter for boom hoist sheaves - ANSWER not less then 15 times rope diameter ASME 3-1.5.4(d) According to OSHA when lifting personnel the cranes hook must be the types that - ANSWER Can be closed and locked OSHA 1926.550(g)(4)(iv)(B) According to OSHA, when working over water with a man basket are the people inside required to wear a belt/harness - ANSWER No harness or belt required OSHA 1926.550(g)(6)(VII) According to ASME B30.3, when working near power lines where should caution stickers be installed - ANSWER At operators station and at the base of the crane ASME 3-3.4.3(f) According to OSHA a frequent inspection is - ANSWER Daily to monthly OSHA 1910.180(d)(2)(i) According to OSHA a periodic inspection is - ANSWER Monthly to annually OSHA 1910.180(d)(2)(ii) Cranes idle for more than six months must have inspections performed: - ANSWER Frequent and Periodic ASME 3-2.1.5(b) Cranes idle for less than six months must have inspections performed: - ANSWER Frequent ASME 3-2.1.5(a) Cranes lifting personnel platform must have the platform and rigging inspected: - ANSWER Prior to each shift ASME 3-3.2.2(c)(1) Crane hooks must not be twisted in excess of: - ANSWER 10 degrees OSHA 1910.180(d)(3)(v) A Crane hooks throat open must not exceed - ANSWER 15% of its original size OSHA 1910.180(d)(3)(v) By order of hitch strength which is the correct answer - ANSWER Basket, Vertical, Choker According to ASME B30.3 and OSHA you should always have at least how many. wraps on a hoist drum - ANSWER 2 ASME 3-3.2.1(d)(7) What is the minimum allowable distance from the crane and power lines under 50kV - ANSWER 10ft 3-3.4.3(1) According to ASME B30.3, how many randomly broken wires must there be to remove a running wire rope from serivce - ANSWER 12 ASME 3-3.4.3(b)(1) According to ASME B30.3 when working near power lines when is a signal person required - ANSWER When crane moves within a booms length of power lines ASME 3-3.4.3(a)(3) According to OSHA after the crane has been checked out and before personnel lift operations begin the crew should - ANSWER Have a pre-lift meeting OSHA 1926.550(g)(8) According to OSHA when is it safe to work closer than the allowable distance from the power lines - ANSWER When utility company says lines are de-energized OSHA 1926.550(a)(15)(vi) When should a tagline be used - ANSWER When rotation of load would be dangerous ASME 3-3.2.1(d)(8)