4G HOISTING ULTIMATE TEST 2025 COMPREHENSIVE REVIEW
GUIDE WITH SCENARIOS AND SOLUTIONS
✔✔What does a governor do on an engine? - ✔✔Controls the R.P.M.S (revolutions per
minute)
✔✔Explain the difference between a scavenging air and supercharging air. -
✔✔Scavenging is taking air in naturally. Supercharging is forcing air in
✔✔Explain how the fuel in a gas engine ignites. - ✔✔Heat, spark and combustion
✔✔What is the average hydraulic pressure of a lull? - ✔✔1800lbs. PSI to 2400lbs. PSI
✔✔What is the total force exerted on a 4 inch cylinder at 1800 PSI - ✔✔3.14 x 4 = 12.56
x 1800= 22.608lbs. of force
✔✔What is the angle of repose? - ✔✔34 degrees. The greatest angle above horizontal
at which material will stay without sliding or falling back to ground
✔✔At what position should the moving parts of the machine be in when not in use? -
✔✔Lowered to the ground and secured
✔✔Do you need a hoisting license on private property? - ✔✔Yes you need a license for
private property too
✔✔What should you know about the load you are picking up and your machine? -
✔✔How much the load weighs and how much your machine will pick up
✔✔What are some things you should check when trailering a machine? - ✔✔Height,
weight, and width of the machine being trailered, weight the trailer can carry, binders,
tow chains, permits, and hoisting brake
✔✔What is a trench? - ✔✔OSHA defines a trench as a narrow underground excavation
that is deeper than it is wide, and is no wider than 15 feet
✔✔When a lift truck is not in use, what should be done with the forks? - ✔✔Lowered to
the ground
, ✔✔What is an excavation? - ✔✔It's a cavity, opening, or cut in the earth by digging,
scooping, pushing or removing soil
✔✔Is it alright to undercut the sides of an excavation? - ✔✔No don't undercut the sides
✔✔Before operating any piece of hoisting equipment is important to have read what? -
✔✔The operator's manual
✔✔Do you need a hoisting license to transport hoisting equipment over the public road?
- ✔✔No, you only need a valid drivers license
✔✔How often must hoisting licenses be renewed? - ✔✔Every 2 years
✔✔Does the hoisting license need to be carried on the person who is operating hoisting
equipment? - ✔✔Yes it needs to be carried on them
✔✔On a backhoe, how far down do the stabilizers need to be for proper operation? -
✔✔As far as possible, with the rear wheels off the ground
✔✔What type of sling material would be best to use in reducing shock loading? -
✔✔Nylon Sling
✔✔What do you refer to when determining your equipments inspection and
maintenance procedures? - ✔✔Operating Procedures for Hoisting Machinery. All
hoisting machinery shall be operated in accordance with the manufacturer's
specifications
✔✔What is the purpose of a swing gear? - ✔✔To rotate
✔✔What is the weakest part of a hydraulic system? - ✔✔Hoses
✔✔What causes starving of a hydraulic system? - ✔✔Low fluid, dirty filter, leak, or
kinked hose
✔✔List some reasons why you would replace a hydraulic hose - ✔✔Broken, cracked,
chafed, bulging or leaking
✔✔What is considered superimposed weight around a trench or work area? - ✔✔Any
weight that is not normally their vehicles, spoils, etc
GUIDE WITH SCENARIOS AND SOLUTIONS
✔✔What does a governor do on an engine? - ✔✔Controls the R.P.M.S (revolutions per
minute)
✔✔Explain the difference between a scavenging air and supercharging air. -
✔✔Scavenging is taking air in naturally. Supercharging is forcing air in
✔✔Explain how the fuel in a gas engine ignites. - ✔✔Heat, spark and combustion
✔✔What is the average hydraulic pressure of a lull? - ✔✔1800lbs. PSI to 2400lbs. PSI
✔✔What is the total force exerted on a 4 inch cylinder at 1800 PSI - ✔✔3.14 x 4 = 12.56
x 1800= 22.608lbs. of force
✔✔What is the angle of repose? - ✔✔34 degrees. The greatest angle above horizontal
at which material will stay without sliding or falling back to ground
✔✔At what position should the moving parts of the machine be in when not in use? -
✔✔Lowered to the ground and secured
✔✔Do you need a hoisting license on private property? - ✔✔Yes you need a license for
private property too
✔✔What should you know about the load you are picking up and your machine? -
✔✔How much the load weighs and how much your machine will pick up
✔✔What are some things you should check when trailering a machine? - ✔✔Height,
weight, and width of the machine being trailered, weight the trailer can carry, binders,
tow chains, permits, and hoisting brake
✔✔What is a trench? - ✔✔OSHA defines a trench as a narrow underground excavation
that is deeper than it is wide, and is no wider than 15 feet
✔✔When a lift truck is not in use, what should be done with the forks? - ✔✔Lowered to
the ground
, ✔✔What is an excavation? - ✔✔It's a cavity, opening, or cut in the earth by digging,
scooping, pushing or removing soil
✔✔Is it alright to undercut the sides of an excavation? - ✔✔No don't undercut the sides
✔✔Before operating any piece of hoisting equipment is important to have read what? -
✔✔The operator's manual
✔✔Do you need a hoisting license to transport hoisting equipment over the public road?
- ✔✔No, you only need a valid drivers license
✔✔How often must hoisting licenses be renewed? - ✔✔Every 2 years
✔✔Does the hoisting license need to be carried on the person who is operating hoisting
equipment? - ✔✔Yes it needs to be carried on them
✔✔On a backhoe, how far down do the stabilizers need to be for proper operation? -
✔✔As far as possible, with the rear wheels off the ground
✔✔What type of sling material would be best to use in reducing shock loading? -
✔✔Nylon Sling
✔✔What do you refer to when determining your equipments inspection and
maintenance procedures? - ✔✔Operating Procedures for Hoisting Machinery. All
hoisting machinery shall be operated in accordance with the manufacturer's
specifications
✔✔What is the purpose of a swing gear? - ✔✔To rotate
✔✔What is the weakest part of a hydraulic system? - ✔✔Hoses
✔✔What causes starving of a hydraulic system? - ✔✔Low fluid, dirty filter, leak, or
kinked hose
✔✔List some reasons why you would replace a hydraulic hose - ✔✔Broken, cracked,
chafed, bulging or leaking
✔✔What is considered superimposed weight around a trench or work area? - ✔✔Any
weight that is not normally their vehicles, spoils, etc
