LATEST - CORE PREP TEST

LATEST - CORE PREP TEST

What is the purpose of installing an auxiliary boom point sheave to the main boom tip?: Separate hoist lines

A designated Lift Director shall be assigned by the ?: Site Supervisor

Who is responsible for calculating net capacity?: Crane Operator

Who is responsible for ensuring all rigging is supervised by a Qualified Rigger?: Site Supervisor/ Lift Director Who is responsible for ensuring the crane owner is notified of any damage to the crane

or replacement/repair of wire rope?: Crane User

Who is responsible for restricting unauthorized access to the crane's work area?: Site Supervisor/Lift Director Who is responsible for ensuring crane operations are stopped if alerted to an unsafe

condition?: Lift Director

If the operator or A/D determine that ground conditions are not suitable for the equipment being operated, they should request the correct the issue: Controlling Entity Who is responsible for ensuring that personnel involved in crane operations understand their responsibilities, assigned duties and associated hazards?: - Lift Director When can the operator of a crane set the crane up with less than fully extended

outriggers?: When the load chart allows

The outrigger pad and cribbing should be strong enough to support?: The total weight of the crane and the load What must be known prior to setting up your crane?: Location of under- ground vaults What is the minimum distance the flange on the hoist drum should extend above the

last wrap of rope?: ½ inch

Eccentric main boom tip reeving will: Twisting of the boom 1 / 2

LATEST - CORE PREP TEST

What is the most common wire rope used on most cranes?: Right regular lay

Prior to leveling a crane what should be done with the outrigger jack?: Se- cure the float pad to jack cylinder What three functions will not work after two-blocking a crane that has a prevention

system?: Boom down, extend the boom and hoist

Boom angle on a telescoping boom is measured from above or below horizontal to the

?: Longitudinal axis of the boom base section

The line pull of the innermost layer on the hoist drum is than the outermost layer.: Greater

Side loading of a crane can be caused by?: Wind

If power fails to the crane what must the operator ensure is done?: The controls are put in the neutral position

On a multiple crane lift, do not exceed of the load chart.: 75%

If a crane operator knows the boom length and the boom angle he could use the range

diagram to estimate what ?: Load radius

Which of the following jib offsets will have the least amount of capacity?-

: 30 degrees

When is it okay to make modifications to the structure of the crane's upper works?: With written permission from the manufacturer

A sudden stop of the hoist on a crane will produce a what?: Dynamic load

When hoisting personnel from a crane, what must be on the crane?: -

Anti-two block device

What grade of alloy steel chain should be used for hoisting slings?: 80

Each time a line passes from the boom point to the load block it is considered a ?: Part

• / 2