Overhead crane 1

What precaution should be observed when using three and four-legged brindles

• Shackle should be used at each end of each leg

• Only use synthetic slings for three and four-legged hitches

• Never use three and four-legged slings

• All legs don't always share equal parts of the load

OSHA states you must have ___ wraps on drum in lowest position

• 4

• 1

• 2

• 5

What type of control operation do Floor operated overhead cranes use

• Pendant

• Magnetic

• Hydraulic

• Hydrostatic

Use only Alloy chain grade _____ or higher for overhead lifting

• 8/80

• 6/80

• 3/80

• 5/80

ASME B 30.2 applies to ______

• Hook lifting devices

• Trolleys

• Overhead cranes

• Hoist brakes

The maximum hook throat opening must not exceed

• 15% original size or 10 degrees twist

• 8% original size or 80 degrees twist

• There is no maximum

• 50% original size or 15 degrees twist

When two or more cranes are used to lift a load, who is responsible for verifying that the crane and load path are clear

• The rigger attaching the load

• The shop supervisor

• The lead crane operator

• One designated person

The operator shall test the brakes

• When lowering a load

• When approaching the upper limit switch

• Each time when approaching a rated load

• Each time when making overload lifts

During pre-operational inspection the operator checks that

• The emergency stop functions

• The rigging has been connected correctly

• The hoist is not overloaded

• The lift plan has been verified

According to OSHA's general industry standard, a crane can only be used for side pooling when

• The load is less than 25% of rated capacity

• The load does not contact any obstruction

• Using a stacker crane

• Specifically authorized by a responsible person