NCCCO Lattice Boom Crawler Crane
Actual Exam Questions With Reviewed
100% Correct Detailed Answers
Guaranteed Pass!!
1. When taking a side strain on a boom, what concerns the operator most -
ANSWER Boom Damage
2. You should always have at least how many wraps on a hoist drum - ANSWER
2
3. The primary purpose for a rooster sheave or auxiliary boom point sheave is
to - ANSWER Separate the whip and main hoist lines
4. When operating near powerlines, how far must you be if the voltage is >50-
200 - ANSWER 15'
5. When operating near powerlines, how far must you be if the voltage is
>200-350 kV - ANSWER 20'
6. When operating near powerlines, how far must you be if the voltage is
>350-500 kV - ANSWER 25'
, 7. When operating near powerlines, how far must you be if the voltage is
>500to 750 kV - ANSWER 35'
8. When operating near powerlines, how far must you be if the voltage is
>750-1000 kV - ANSWER 45'
9. When operating near powerlines, how far must you be if the voltage is
>1000 kV - ANSWER Determined by utility/owner
10.What is the proper procedure when using insulating link or boot near
power lines - ANSWER Be sure to maintain correct allowable distance
from lines
11.When the number of layers of rope on a drum increases - ANSWER The
line pull decreases
12.The term upper-works or superstructure refer to the area of the crane -
ANSWER Above the turntable
13.Side loading may be caused by - ANSWER Starting or stopping the swing
too rapidly
14.What is the best procedure to follow when underground utilities may be
present - ANSWER Contact local utility company
Actual Exam Questions With Reviewed
100% Correct Detailed Answers
Guaranteed Pass!!
1. When taking a side strain on a boom, what concerns the operator most -
ANSWER Boom Damage
2. You should always have at least how many wraps on a hoist drum - ANSWER
2
3. The primary purpose for a rooster sheave or auxiliary boom point sheave is
to - ANSWER Separate the whip and main hoist lines
4. When operating near powerlines, how far must you be if the voltage is >50-
200 - ANSWER 15'
5. When operating near powerlines, how far must you be if the voltage is
>200-350 kV - ANSWER 20'
6. When operating near powerlines, how far must you be if the voltage is
>350-500 kV - ANSWER 25'
, 7. When operating near powerlines, how far must you be if the voltage is
>500to 750 kV - ANSWER 35'
8. When operating near powerlines, how far must you be if the voltage is
>750-1000 kV - ANSWER 45'
9. When operating near powerlines, how far must you be if the voltage is
>1000 kV - ANSWER Determined by utility/owner
10.What is the proper procedure when using insulating link or boot near
power lines - ANSWER Be sure to maintain correct allowable distance
from lines
11.When the number of layers of rope on a drum increases - ANSWER The
line pull decreases
12.The term upper-works or superstructure refer to the area of the crane -
ANSWER Above the turntable
13.Side loading may be caused by - ANSWER Starting or stopping the swing
too rapidly
14.What is the best procedure to follow when underground utilities may be
present - ANSWER Contact local utility company
