NCCCO PT EXAM - boom tip (B) 25% of the effective weight of the...

NCCCO PT EXAM

GRADED A+

✔✔16. When calculating net capacity, in most cases, a stowed jib (A) mounted to the boom tip (B) 25% of the effective weight of the jib. (C) treated as a deduction. (D) not treated as a deduction. - ✔✔C

✔✔A crane has a jib installed on the boom tip which is not used, what weight must you deduct from the crane's gross capacity to determine the net capacity? (A) Exact weight of the jib (B) Stowed weight of the boom (C) Effective weight of the jib (D) Estimated weight of the jib - ✔✔C

✔✔When lifting loads from the water, the operator should be aware that: (A) The current can change and cause the crane (B) The brakes on the crane could get wet and slip (C) The load will increase when you pick the load from the water A A dynamic load can occur. - ✔✔C

✔✔When is it necessary to pull a rotation resistant wire rope out of service? (A) When the safety factor decreases (B) When you use a personnel platform (C) When there are

• broken wires in 6 rope diameters (D) When there are 5 broken wires in one lay - ✔✔C

✔✔20. What is not a good location for crane setup? (A) Hard fill (B) Rock (C) Compacted fill (D) Above utilities, uncompacted soils, voids - ✔✔D

✔✔21) As wire rope wraps onto a hoist drum and the layers increase, the available line

pull: (A) decreases (B) is not affected (C) increases (D) doubles - ✔✔A

✔✔Cranes jibs are limited by boom angle, and their capacities are based on: (A) Stability (B) Radius (C) Tipping (D) Structural strength - ✔✔D

✔✔12. The capacities of a jib, fly or boom extension are usually limited by: (A) Boom angle (B) Boom tip reach (C) Outrigger pads (D) LMI - ✔✔A

✔✔13. When the jib offset is changed the same the load radius will: from 0 degrees to 15 degrees. If the boom angle remains (A) remain the same. (B) increase. (C) decrease. (D) decrease 1 ft. for each degree offset. - ✔✔B

✔✔What would be a concerm when operating a crane secured to a barge? (A) ground pressure (B) trim and list (C) length and width of barge (D) crane boom tip height - ✔✔B

✔✔According to ASME U have on net capacity? B30.5, what effect does the weight of a nonstandard attachment (A) Add to the load ratings. (B) Does not affect the rated capacity. (C) Add to net capacity. (D) Deduct from the load ratings. - ✔✔D 1 / 2

✔✔6. DOT requires an operator to pass a physical every 2 years, ASME requires a crane operator must pass a physical every: (A) 2 years (B) 3 years (C) 5 years (D) 6 months - ✔✔B

✔✔Boom angle and load radius is determined when the boom is: (A) Unloaded (B) Loaded (C) Fully extended (D) Partly extended - ✔✔B

✔✔When working on outriggers, the only time they should be less than fully extended is when: (A) Working alongside the highway (B) There is a load chart for this (C) You are handling light loads operation and cannot block a lane (D) When there is not enough room to extend one all the way - ✔✔B

✔✔9. When performing a pick and cary operation, an operator should keep the boom: (A) In line with the direction of travel (B) In line with the extended outrigger (C) Raised to the maximum boom angle (D) At a 0 degree boom angle - ✔✔A

✔✔Jib offset is usually referred to as the jib's angle to the boom, boom angle is referred to as the boom's angle to: (A) Horizontal (B) Jib (C) Vertical (D) Crane - ✔✔A

✔✔1. According to OSHA 1926 Subpart CC, (A) recommended. (B) suggested. (C possible. ((D) mandatory. - ✔✔D

✔✔extended and the tires are not off the supporting surface? Which load chart should an operator use when the outriggers on the crane are fully (A) The on rubber load chart (B) Duty cycle chart (C) The list chart (D) The fully extended and set chart - ✔✔A

✔✔Based only on permissible line pull of 13,920 lbs, what is the maximum load that can be lifted with four parts of line? (A) 13,920 Ibs. (B) 55,680 Ibs. (C) 56,680 Ibs. (D) 66,760 lbs. - ✔✔B

✔✔4. On a crawler crane operating with retracted crawlers the most unstable quadrant

of operation is over the: (A) Front (B) Rear (C) Side (D) Corner. - ✔✔C

✔✔(5) When operating a crane that does not have the telescopic boom sections extended equally, which of the sections become overloaded: (A) Section A (B) Section B (C) Longest section (D) Shortest section. - ✔✔C

✔✔o Which of the following methods are correct? - ✔✔234

✔✔When is it permitted to side load a crane boom? Never B) Only with a freely suspended load e Only using 75% of gross capacity (D) Only using 50% of gross capacity - ✔✔B

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