2A HOISTING EXAMS SET 2025 QUESTIONS ANSD
SOLUTIONS RATED A+
✔✔working radius or load radius is defined as the distance from what to what? - ✔✔the
center of rotation of the crane to the center of gravity of the load
✔✔how do you get a buried worker out of the hole? - ✔✔hand dig. not with a machine
✔✔can you lift workers in and out of the trench with an excavator bucket? - ✔✔no
✔✔what depth is a ladder, ramp, or stairs required in a trench? - ✔✔4' or more in depth
✔✔how many ladders required in a trench? - ✔✔depends on length. 1 every 25'
✔✔when is it ok to work under a suspended load? - ✔✔never ok to work under such
load
✔✔what is the purpose of stabilizers? - ✔✔to provide lateral stabilization for a machine
✔✔what should you do if someone enters your area of safety? - ✔✔stop and ask them
to leave
✔✔what do fuel injectors do? - ✔✔deliver fuel under pressure to the combustion
chamber
✔✔what type of material should all hooks and shackles be made from? - ✔✔drop-
forged steel
✔✔do you need a hoisting on private property? - ✔✔yes
✔✔do you need a fire extinguisher on a hoisting machine? - ✔✔yes you need a 5lb BC
type
✔✔what governs the hydraulic pressure capacity of a crane or lull? - ✔✔pressure relief
valve
✔✔can you tighten a hydraulic hose under pressure? - ✔✔no you can't tighten under
pressure
✔✔is it mandatory to wear a seat belt? - ✔✔yes, but only if the machine is equipped
with a ROPS
✔✔what are the two main components of ROPS? - ✔✔seat belt
roll over protection bar or cab
, ✔✔why is the load kept as low to the ground as possible when traveling with the
machine? - ✔✔for good visibility and stability
✔✔whenever possible, when is the best way to work on a slope? - ✔✔up or down, not
side to side to avoid tipping
keep loads low to the ground when maneuvering
✔✔what position should the bucket be when traveling? - ✔✔low to the ground
rolled all the way back
✔✔what is the purpose of dig safe? - ✔✔to locate and mark member utilities
✔✔what is the minimum distance between your machine and an overhead power line? -
✔✔10 ft up to 50,000 volts
✔✔when not in use, what position should the moving parts of the machine be in? -
✔✔lowered to the ground
✔✔who is responsible fo the safe operation of the machine? - ✔✔the operator
✔✔what is a tag line? - ✔✔a line used to control the loads being handled by hoisting
equipment
✔✔when can you carry a load over people? - ✔✔never carry over people
✔✔what should you look for before starting work? - ✔✔soft soil conditions
wet areas
power lines
wells
underground storage tanks
other items potential for this question
✔✔who is allowed on the backhoe other than the operator? - ✔✔nobody is allowed
other than the operator
✔✔at what intervals should your equipment be inspected? - ✔✔inspected daily
monthly inspections for rigging equipment
90 days for complete machine inspection
✔✔if you cannot see where the work is being done, do not move the machine unless
what? - ✔✔you have a qualified signal person directing you
SOLUTIONS RATED A+
✔✔working radius or load radius is defined as the distance from what to what? - ✔✔the
center of rotation of the crane to the center of gravity of the load
✔✔how do you get a buried worker out of the hole? - ✔✔hand dig. not with a machine
✔✔can you lift workers in and out of the trench with an excavator bucket? - ✔✔no
✔✔what depth is a ladder, ramp, or stairs required in a trench? - ✔✔4' or more in depth
✔✔how many ladders required in a trench? - ✔✔depends on length. 1 every 25'
✔✔when is it ok to work under a suspended load? - ✔✔never ok to work under such
load
✔✔what is the purpose of stabilizers? - ✔✔to provide lateral stabilization for a machine
✔✔what should you do if someone enters your area of safety? - ✔✔stop and ask them
to leave
✔✔what do fuel injectors do? - ✔✔deliver fuel under pressure to the combustion
chamber
✔✔what type of material should all hooks and shackles be made from? - ✔✔drop-
forged steel
✔✔do you need a hoisting on private property? - ✔✔yes
✔✔do you need a fire extinguisher on a hoisting machine? - ✔✔yes you need a 5lb BC
type
✔✔what governs the hydraulic pressure capacity of a crane or lull? - ✔✔pressure relief
valve
✔✔can you tighten a hydraulic hose under pressure? - ✔✔no you can't tighten under
pressure
✔✔is it mandatory to wear a seat belt? - ✔✔yes, but only if the machine is equipped
with a ROPS
✔✔what are the two main components of ROPS? - ✔✔seat belt
roll over protection bar or cab
, ✔✔why is the load kept as low to the ground as possible when traveling with the
machine? - ✔✔for good visibility and stability
✔✔whenever possible, when is the best way to work on a slope? - ✔✔up or down, not
side to side to avoid tipping
keep loads low to the ground when maneuvering
✔✔what position should the bucket be when traveling? - ✔✔low to the ground
rolled all the way back
✔✔what is the purpose of dig safe? - ✔✔to locate and mark member utilities
✔✔what is the minimum distance between your machine and an overhead power line? -
✔✔10 ft up to 50,000 volts
✔✔when not in use, what position should the moving parts of the machine be in? -
✔✔lowered to the ground
✔✔who is responsible fo the safe operation of the machine? - ✔✔the operator
✔✔what is a tag line? - ✔✔a line used to control the loads being handled by hoisting
equipment
✔✔when can you carry a load over people? - ✔✔never carry over people
✔✔what should you look for before starting work? - ✔✔soft soil conditions
wet areas
power lines
wells
underground storage tanks
other items potential for this question
✔✔who is allowed on the backhoe other than the operator? - ✔✔nobody is allowed
other than the operator
✔✔at what intervals should your equipment be inspected? - ✔✔inspected daily
monthly inspections for rigging equipment
90 days for complete machine inspection
✔✔if you cannot see where the work is being done, do not move the machine unless
what? - ✔✔you have a qualified signal person directing you
