NCCCO MOBILE CRANE exam -
- What Standard Method hand signal is being illustrated?
- Swing
- Stop
- Emergency Stop
- Travel - ANSWER>>a.
- What standard method hand signal is being illustrated?
- Boom up
- Boom down
- Retract boom
- Hoist - ANSWER>>c.
3.When hoisting personnel, within what percentage of level must a telescopic boom crane be in order for the gross ratings in the load chart to remain valid?
- 1%
- 2%
- 5%
- 8% - ANSWER>>a.
- Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the
- The side
- The rear
- The front
- The outriggers - ANSWER>>c.
manufacturer states otherwise?
- What action does a signal person intend the operator to perform if he extends his arm at shoulder
- Boom down
- Swing 1 / 2
height, makes a fist with his hand, and sticks his/her thumb up?
- Boom up
- Extend boom - ANSWER>>c.
- According to federal requirements, under what conditions is it okay for a person to ride the headache
- When there is no other way to gain access
- When the lift has been approved by an engineer
- When other means would be more dangerous
- It is never okay - ANSWER>>d.
ball?
- What may happen to a properly rigged load when lifted off the ground unless the operator takes
- It could swing out away from the crane
- It could swing in towards the crane
- It could raise absolutely vertically
- It could shift in its rigging - ANSWER>>a.
account of boom deflection?
- According to OSHA 1926.1413, how many randomly distributed broken wires in rotation-resistant
- 1 broken wire in 6 rope diameters
- 2 broken wires in 30 rope diameters
- 3 broken wires in one strand in one lay
- 2 broken wires in 6 rope diameters - ANSWER>>d.
rope are cause for replacement of the rope?
- . What is the net capacity of a crane on main boom unless the manufacturer states otherwise?
- The capacity listed in the load chart minus the weight of the rigging and all attachments
- The capacity listed in the load chart plus the weight of the rigging and all attachments
- The capacity listed in the load chart minus the weight of the rigging and all attachments not in use
- The capacity listed in the load chart minus the weight of the rigging alone - ANSWER>>a.
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