What is the minimum clearance for a crane operating near a
energized power line of a 40 KV for a NON-QUALIFIED
Electrical Worker?
a. 10 ft
b. 15 ft
c. 20 ft
d. 25 ft
a. 10 ft
A boom mounted personnel platform must not exceed what
percentage of the crane's capacity?
a. 20%
b. 40%
c. 50%
d. 80%
c. 50%
Which of the following hitches are strongest to the weakest?
a. Basket, choker, vertical
b. Vertical, basket, choker
c. Basket, Vertical, choker
d. Choker, Vertical, basket
c. Basket, vertical, choker
When using a screw pin shackle to attach 2 slings to a cranes
hook.
a. Pin goes on the hook
,b. Bow goes on the hook
c. Shoulder on the hook
a. Pin goes on the hook
Screw pin shackles are sized by the diameter of the ?
a. Pin
b. Bow
c. Shoulder
d. Length
b. Bow
Most overhead rigging is designed with a minimum safety factor
of ?
a. 5 to 1
b. 6 to 1
c. 3.5 to 1
d. 10 to 1
a. 5 to 1
When suspending a personnel platform from a 6x19 IWRC load
line, the minimum safety factor for the hoist line is?
a. 5 to 1
b. 7 to 1
c. 3.5 to 1
d. 10 to 1
b. 7 to 1
What would be a concern when operating with a short boom at a
high boom angle with a R/T crane over the side on rubber?
a. Block hitting the crane
,b. Backwards stability
c. Forward stability
d. Overloading
b. Backwards stability
What OSHA regulation governs cranes in the General
Industries?
a. 1926.subpart CC
b. 1910.184
c. 1910.180
d. ASME B.30.5
c. 1910.180
OSHA states: With the hook at its lowest point there MUST be a
minimum of ? wraps of wire rope remaining on the drum.
a. 5
b. 4
c. 3
d. 2
d. 2
When performing duty cycle work with a crane, you must
reduce the cranes load charts by?
a. 10%
b. 20%
c. 15%
d. 85%
b. 20%
, R/T cranes usually have a greater capacity over which working
area?
a. Front
b. Side
c. Rear
d. 360 degrees
a. Front
Crawler cranes usually have greater capacity over which
working area?
a. Front
b. Side
c. Ends
d. 360 degrees
c. Ends
Most truck mounted cranes usually have a greater capacity over
which operating area?
a. Front
b. Side
c. Rear
d. 360 degrees
c. Rear
Some truck mounted cranes have no lifting capacities over
which area?
a. Front
b. Side