ANSWERS RATED A+
✔✔How do you test the load brake on a LULL? - ✔✔Lift the load just off the ground and
return the boom handle to the neutral position
✔✔How do you find the weight of a load? - ✔✔Shipping papers
Data tags
Use a scale to weigh the load
Calculate the weight
✔✔What must be stamped on all load rating plates? - ✔✔Serial number of the lifting unit
✔✔The boom of the unit you are operating comes in contact with an energized poWer
line. There's no sign of any other danger such as fire. What should you do? - ✔✔Stay In
the cab until the lines are de-energized
✔✔Can you prohibit the Dept. of Public Safety from your premises? - ✔✔No.
✔✔Before digging anywhere, who do you call and how much notice must you give? -
✔✔Dig-Safe
72 hours-3 days minimum
30 days-maximum
✔✔How is the fuel in a diesel engine ignited? - ✔✔High heat generated by compression
Fuel under pressure
✔✔What do you do If your machine comes in contact with an overhead or underground
power line? - ✔✔Stay on the machine
Warn people to stay away from the machine
Try to break the contact
Call the power company
Notify the Dept. of Public Safety within one (1) hour
✔✔What do you do if you dig up a gas line? - ✔✔Extinguísh all open flames and lights
Keep people away
Evacuate the buildings in the area
Do not bury the leak
Call utility company
Call police and fire departments
Notify the Dept. of Public Safety within one (1) hour of accident
✔✔Unless the operator takes account of boom deflection, when lifted off the ground, a
properly rigged load may do what? - ✔✔Swing away from the crane
, ✔✔How many cublc feet in a cubic yard? - ✔✔27 cubic feet
✔✔How much does a cubic foot of concrete weigh? - ✔✔150 lbs.
✔✔How much does a cubic foot of steel weigh? - ✔✔490 lbs.
✔✔How many cubic yards in a block that measures 5' x 5' x 3'? - ✔✔5 x5 x 3 = 75 cubic
feet 27 (27 cubic feet in a cubic yard) = 2.77 cubic yards
✔✔What does a class 1C license cover in the State of Massachusetts? - ✔✔Any type of
hoisting equipment that has a hydraulic boom without wire rope
✔✔What are the bell or light signals? - ✔✔1 light or bell stop
2 lights or bells = raise
3 lights or bells = lower
4 lights or bells lower slowly
✔✔Which of the following cannot be used for lifting: nylon slings, chain, or wire rope
slings? - ✔✔Chain
✔✔How far away from the hole should you place your spoil pile? - ✔✔Two feet (2) is the
OSHA minimum distance.
✔✔How far away from the edge of an excavation should you position the machine? -
✔✔It depends on the ground condition TYpically 1-1/2 times the depth of the excavation
minimum
✔✔What is the definition of a trench? - ✔✔A narrow excavation (not more than 15 feet
wide) 5 feet (5) or more in depth.
✔✔How do you protect workers in a trench? - ✔✔Shoring
Benching (Type C soil cannot be benched)
Shielding
Sloping
✔✔Sloping Working radius or load radius is defined as the distance from what to what?
- ✔✔The centerof rotation of the crane to the center of gravity of the load
✔✔How do you get a buried worker out of a hole? - ✔✔Hand dig, never use the
machine!
✔✔Can you lift workers in and out of the trench using the bucket of an excavator? -
✔✔No