NCCCO Samenvattingen, Aantekeningen en Examens

NCCCO tower crane exam practice with 100% correct answers

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...

Boom up - Answer What action does a signal person intend the operator to perform if he extends his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up? 1% - Answer When hoisting personnel, within what percentage of level must a telescopic boom crane be in order for the gross ratings in the load chart to remain valid? Stay in the cab until the lines are de-energized - Answer The load line of the crane you're operating contacts an energized power line. There's n...

1. What action does a signal person intend the operator to perform if he extends his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up? a. Boom down b. Swing c. Boom up d. Extend boom - Answer c. 2. When hoisting personnel, within what percentage of level must a telescopic boom crane be in order for the gross ratings in the load chart to remain valid? a. 1% b. 2% c. 5% d. 8% - Answer a.

is no weight of the crane bearing on any tires Operating a mobile crane with a long boom, on uneven ground, what support condition should be considered? - Answer Keeping 90 degree angle between cylinder rod and pad What is the primary purpose fir a rooster sheave or auxiliary boom point sheave? - Answer Separate the boom hoist lines How many randomly broken wires in a lay length must there be on a mobile cranes hoist line, before it should be removed from service? - Answer 6

Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise? - Answer The front What is the definition of "operating radius?" - Answer The distance from the center of rotation of the crane to the center of gravity of the load What applies to the capacities below the bold line shown on a load chart? - Answer They are based on the stability of the crane In which quadrant are rough terrain crane capacities generally greater?...

Splices in rall tracks shall have - Answer Smooth Joints 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 ...

Boom up - What action does a signal person intend the operator to perform if he extends his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up? 1% - When hoisting personnel, within what percentage of level must a telescopic boom crane be in order for the gross ratings in the load chart to remain valid? Stay in the cab until the lines are de-energized - The load line of the crane you're operating contacts an energized power line. There's no sign of any other...

When making a multiple crane lift, it is important for the operator to understand that: - The weight may increase if the other crane lands the load If a crane is not set-up level and the operator swings a load from the high side to the low side, the load radius will: - Increase Most crane manufacturers reduce load capacity for duty-cycle operations because: - Side loading forces may occur On who's recommendations should a preventative maintenance program be set-up? - Crane manufacturer ...

When making a multiple crane lift, it is important for the operator to understand that: - The weight may increase if the other crane lands the load If a crane is not set-up level and the operator swings a load from the high side to the low side, the load radius will: - Increase Most crane manufacturers reduce load capacity for duty-cycle operations because: - Side loading forces may occur On who's recommendations should a preventative maintenance program be set-up? - Crane manufacturer ...

Where is the best location for leveling a crane? - Upperworks When determining the "gross load" the best method is: - Get an accurate load weight and add the rigging. By order of hitch strength, which is the correct answer? - Basket, vertical, choker What is the purpose of using a jib? - Increase height When taking a side strain on a boom, what concerns the operator most? - Boom damage You should always have at least how many wraps on a hoist drum? - 2 On a load chart, values above the ...

Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise? - The front What is the definition of "operating radius?" - The distance from the center of rotation of the crane to the center of gravity of the load What applies to the capacities below the bold line shown on a load chart? - They are based on the stability of the crane In which quadrant are rough terrain crane capacities generally greater? - Over the front Wh...