NCCCO CORE including tables Exam -

NCCCO CORE including tables Exam -

TT 345-750V - ANSWER 16ft TT TA 500-750V - ANSWER 35ft TA TT 50-345V - ANSWER 10ft TT TA 750-1000V - ANSWER 45ft TA TA 50-200V - ANSWER 15ft TA TA 350-500V - ANSWER 25ft TA TT 750-1000 - ANSWER 20ft TT TT .01-.75 - ANSWER 4ft TT TA 200-350V - ANSWER 20ft TA TA up to 50V - ANSWER 10ft TA TT .75-50V - ANSWER 6ft TT How many electrocution hazard warnings must be displayed - ANSWER 1 in cab 2 outside Using Running wire rope, ________ randomly distributed broken wires in ________ rope lay -

ANSWER 6-1

________ broken wires in one STRAND in______ rope lay - ANSWER 3-1 In rotation resistant ropes, _______ randomly distributed broken wires in _______ rope diameters or ______ randomly distributed broken wires in _____ rope diameters. - ANSWER

2-6, 4-30

In Pendants or standing wire ropes more than ____ broken wires in one rope lay located in rope BEYOND end connections and/or more than ____ broken wire in rope lay located at an end connection - ANSWER 2-1 What is the Load Angle Factor if Horizontal Sling Angle Factor is 90 degrees - ANSWER 1.000 What is the Load Angle Factor if Horizontal sling angle is 60 degrees - ANSWER 1.155 What is the Load Angle Factor if Horizontal Sling Angle Factor 30 degrees - ANSWER 2.000 1 / 3

What is strongest type of sling - ANSWER Basket What is the second strongest sling - ANSWER Vertical What is the weakest sling - ANSWER Choker Rated capacity of Angle of choke over 120 - ANSWER 100 Rated capacity of Angle of choke 90-120 - ANSWER 87 Rated capacity of Angle of choke 60-89 - ANSWER 74 Rated capacity of Angle of choke 30-59 - ANSWER 62 Rated capacity of Angle of choke 0-29 - ANSWER 49 What is the OSHA standard that covers the construction industry? - ANSWER CFR 1926.1400 What is the ASME/ANSI standard for mobile cranes - ANSWER B30.5 Inspections every shift - ANSWER By a competent person and no document needed Monthly inspection - ANSWER Competent person documented for 3 months Annual inspection - ANSWER Qualified person documented for a year When should taglines be used - ANSWER When load is dangerous When hoisting personnel, within what percentage of level must a telescopic boom need to be at - ANSWER 1% What do you do if a crane has been energized but no sign of fire exists - ANSWER Stay in cab until de-energized Net capacity of cranes main boom - ANSWER Capacity listed in load chart minus rigging and all attachments What area do truck cranes without a 5th outrigger have no lifting capacity - ANSWER Over the Front Definition of operating radius - ANSWER Distance from center of rotation to center of gravity of the load Which Quadrant are rough terrain crane capacities greater - ANSWER Over the front From which 2 points should the boom be measured - ANSWER Boom hinge pins to center of boom tip sheeve 2 / 3

Which quadrant are truck crane capacities greater - ANSWER Over the rear Which accessible area of an operating crane must always be barricaded - ANSWER Swing radius of superstructure When does OSHA permit hoisting personnel by crane - ANSWER When there is no less hazardous or practicable way While hoisting personnel total load must not exceed what percentage of crane capacity -

ANSWER 50%

When is side loading of crane booms permitted - ANSWER Only with freely suspended loads Placing timber blocking under tips of tracks on crawler crane does what - ANSWER More stability According to ASME, what percentage of the manufacturers crane rating must not be exceeded if a load test is done on a repaired crane - ANSWER 100% Where is the tipping axis of a crawler crane located - ANSWER Depends on idler or sprocket What to do with materials under energized power lines - ANSWER Never be lifted by crane Where should outrigger pads be placed when working at ground floor level near a CELLAR WALL - ANSWER At least as far back as the depth of the wall below ground

What happens to ground bearing pressure if you move a crawler crane from soft to hard ground - ANSWER Stays the same

When may a swivel be used with rotation resistant wire rope - ANSWER If manufacture approves

What should you do on pick and carry operations - ANSWER Keep boom length as short as possible

What boom position would cause the greatest ground pressure when lifting with crawler cranes - ANSWER Over the corner

• / 3