MA Hoisting License 1 B
1.Where shall the hand signals for the machine in use be posted: On
the job site
2.Where is it best to connect slings to lift boom sections: End fittings
3.All manufacturers load charts and operations manual shall be kept:
On the machine
4.When shall wire rope be taken out of service if used as a running line
for hoisting: Six randomly distributed broken wires in 1 lay
5.When shall wire rope be taken out of service if used as a running line
for hoisting: Three broken wires in one rope lay
6.What is the major reason for mobile crane accidents: Improper
crane setup
7.What happens to the jib capacity as the jib angle to the ground increases: -
Increases
8.When first lifting the boom off the ground, which position should the
gantry be in?: Highest
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, 9.When dismantling a lattice crane boom which pins should be
removed first: Bottom
10.The distance from the center rotation of the crane the the center of a
freely suspended hoist line is called: Radius
11.What is it called when the ultimate strength of an object is divided by
the safe working load for that object: Safety factor
12.The point about which a crane tips is called: Tipping axis
13.Which percentage of tipping is a crawler crane's stability rated at: 75%
14.On a lattice boom crane what is a fixed A frame called that is located at
the top of the superstructure which has the boom cable attached to it:
Gantry
15.On a lattice boom crane what is a pivoting a frame which is at the base
of the boom and has a fixed angle with the boom called: Live mast
16.When a load is lifted from the ground, what happens to the loads center
of gravity: It will move directly under the boom point sheave
17.When contact has been made with an electrical power line, what
should the operator do first: Try to break contact
18.When the values fall between the ratings shown on the load chart
for radius, what rating should be used: Next longer radius
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1.Where shall the hand signals for the machine in use be posted: On
the job site
2.Where is it best to connect slings to lift boom sections: End fittings
3.All manufacturers load charts and operations manual shall be kept:
On the machine
4.When shall wire rope be taken out of service if used as a running line
for hoisting: Six randomly distributed broken wires in 1 lay
5.When shall wire rope be taken out of service if used as a running line
for hoisting: Three broken wires in one rope lay
6.What is the major reason for mobile crane accidents: Improper
crane setup
7.What happens to the jib capacity as the jib angle to the ground increases: -
Increases
8.When first lifting the boom off the ground, which position should the
gantry be in?: Highest
1/
8
, 9.When dismantling a lattice crane boom which pins should be
removed first: Bottom
10.The distance from the center rotation of the crane the the center of a
freely suspended hoist line is called: Radius
11.What is it called when the ultimate strength of an object is divided by
the safe working load for that object: Safety factor
12.The point about which a crane tips is called: Tipping axis
13.Which percentage of tipping is a crawler crane's stability rated at: 75%
14.On a lattice boom crane what is a fixed A frame called that is located at
the top of the superstructure which has the boom cable attached to it:
Gantry
15.On a lattice boom crane what is a pivoting a frame which is at the base
of the boom and has a fixed angle with the boom called: Live mast
16.When a load is lifted from the ground, what happens to the loads center
of gravity: It will move directly under the boom point sheave
17.When contact has been made with an electrical power line, what
should the operator do first: Try to break contact
18.When the values fall between the ratings shown on the load chart
for radius, what rating should be used: Next longer radius
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