AND CORRECT ANSWERS/GRADE A+ ASSURED/LATEST UPDATE
When erecting tower cranes how many times should bolts be reused?
only once
Certification Requirement
Most areas in US and Canada require certification.
what is used to adjust the jib for proper inclination and eliminate jib twist?
Turnbuckles
Which of the following OSHA regulations govern suspended personnel platforms?
OSHA 1926.1431
According to ASME B30.3, the prohibited zone for power lines that are 60 kV is:
15 ft
According to ASME B30.3, load hoist rotation resistant wire rope has a design factor of:
5 to 1
According to OSHA Subpart CC, when lifting a suspended personnel platform the design
factor for the rigging hardware is:
10 to 1
According to ASME B30.3, load hoist ropes that are not rotation resistant must have a
design factor of:
5 to 1
The OSHA Construction Standard for rigging equipment is:
1926.251
According to ASME B30.3, on who's recommendations should a preventative maintenance
program be set up?
Crane Manufacturer
When using cable or nylon spreaders it is important to remember:
The lower the spreader angle the greater the tension
According to OSHA, when testing a man basket how long must the proof test be
maintained?
5 minutes
, 2
According to ASME B30.3, What is the minimum pitch diameter for load hoist sheaves?
Not less than 18 times rope diameter
According to ASME B30.3, What is the minimum pitch diameter for load block sheaves?
Not less than 18 times rope diameter
According to ASME B30.3, What is the minimum pitch diameter for luffing boom hoist
sheaves?
Not less than 15 times rope diameter
According to OSHA, When lifting personnel the crane hook must be the type that:
Can be closed and locked
According to OSHA, When working over water with a man basket are the people inside
required to wear a belt/harness?
No belt or harness required
According to ASME B30.3, When working near power lines where should durable signs be
installed?
At operators station and at the base of the crane
According to ASME B30.3, a frequent inspection is:
Prior to use each day
According to ASME B30.3, A major inspection is:
Conducted at 60 month intervals
When shall periodic inspections be conducted according to ASME?
Annually
Prior to being erected tower cranes shall undergo a:
Periodic or major inspection
When hoisting personnel, the platform must be inspected ____________?
By a competent person, and prior to each lift
Crane hooks must not be wore or have a reduction of _____ from original dimensions
10%
, 3
Crane hook throat opening must not exceed _____ from original dimensions:
5%
By order of strength, which is the correct answer?
Basket, Vertical, Choker
According to ASME B30.3, you should always have at least how many wraps on a hoist
drum?
3
What is the minimum allowable distance from the crane and power lines under 50kV?
10 ft
According to ASME b30.3, How many randomly broken wires must there be to remove a
running wire rope from service?
12
According to ASME B30.3, When working near power lines when is a signal person
required?
When crane moves within a boom or jibs length of table 3-3.4.3-1 limits
According to OSHA, after the crane has been checked out and before personnel lift
operations begin the crew should:
Have a pre-lift meeting
What is the minimum clearance distance when working around 1150kV power lines?
Is established by the utility owner
When should a tagline be used?
When swinging on the load is hazardous
What is the design factor for a luffing boom hoist rope?
3.5
How many broken wires must be present in one strand of one lay for running wire rope to
be removed from service?
4
What is the maximum wind speed when raising or climbing a tower?