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NCCCO Tower Crane Verified
ASME - CORRECT ANSWER -American Society of Mechanical Engineers
ANSI - CORRECT ANSWER -American National Standards Institute
ASME B30.3 - CORRECT ANSWER -Tower Cranes
ASME B30.30 - CORRECT ANSWER -Ropes
OSHA - CORRECT ANSWER -Occupational Safety and Health Administration
OSHA 1926.1400cc - CORRECT ANSWER -Cranes in Construction
OSHA 1926.1435 - CORRECT ANSWER -Tower Cranes
A/D Director - CORRECT ANSWER -Assembly Disassembly director
Must - CORRECT ANSWER -OSHA mandatory
Shall - CORRECT ANSWER -ASME mandatory
Should - CORRECT ANSWER -ASME suggested
Rotation resistant - CORRECT ANSWER -2 in 6, 4 in 30
Standard wire rope - CORRECT ANSWER -12 in one rope lay
201 to 350 kV - CORRECT ANSWER -20 feet
High tensile bolts shall be marked with - CORRECT ANSWER -Strength rating and manufacturers designation
Tower sections must use high-tensile nuts with a strength rating of - CORRECT
ANSWER-12
High tensile washers shall always be marked with the designation - CORRECT
ANSWER-HV
Prior to applying the proper torque to the nut on a Tower cranes high - tensile bolt connection you should ? - CORRECT ANSWER -Lubricate the threads
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Which components of a Tower crane are connected with high tensile bolt connections ?
- CORRECT ANSWER -Foundation anchors , tower sections , slewing ring support
What is the approximate weight of a cubic yard of concrete in US pounds ? - CORRECT
ANSWER-4,000
How many pounds does a cubic foot of concrete weigh ? - CORRECT ANSWER -150
A Tower cranes gear box oil levels should be checked at what interval - CORRECT ANSWER-Weekly
According to a metric conversion table , bars multiplied by 14.503 773 77 equals ? - CORRECT ANSWER -Pounds per square inch
According to a length conversion table , meters multiplied by 3.280 839 895 equals ? - CORRECT ANSWER -Feet
When setting up a self - erecting tower crane , the outrigger jacks should be at what angle to the supporting surface ? - CORRECT ANSWER -90 degrees
What is the approximate weight of a cubic foot of steel in US pounds ? - CORRECT
ANSWER-490
When performing a load test on a traveling Tower crane , it shall be conducted with the boom in the position that causes the maximum loading on which component? - CORRECT ANSWER -One wheel or bogie
Central ballast blocks must be distributed ___ around the tower base ? - CORRECT ANSWER-Equally around
When setting up a Self- Erecting Tower Crane , the preferred method is to use mats constructed of timbers which are - CORRECT ANSWER -Thru bolted
When lifting loads using a two way bridle it is important to always remember that the : - CORRECT ANSWER -lower the horizontal angle the greater the sling tension
In the order of strongest to weakest which hitches listed below would be correct ? - CORRECT ANSWER -Basket , Vertical , Choker
According to Subpart CC , how many full wraps of wire rope must remain on the hoist drum when the load hook is in its lowest position ? - CORRECT ANSWER -2
According to OSHA 1926.1435 , how often must the turntable and tower bolts be inspected for proper torque and condition ? - CORRECT ANSWER -Annually
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