Page 1 of 143
General crane safety 2026/27 Real Exam
Update, Questions With Correct Answers
(Verified Answers) ||Complete A+ Guide
1. Which crane type uses a lattice boom and is commonly
mounted on crawlers?
A. Hydraulic truck crane
B. Crawler crane
C. Rough-terrain crane
D. Tower crane
✅ Correct Answer: B
Rationale: Crawler cranes have lattice booms and tracks for
stability on soft ground. Tower cranes are fixed to concrete
pads.
,Page 2 of 143
2. What component prevents a crane from tipping when lifting
heavy loads?
A. Boom hoist
B. Counterweight
C. Jib
D. Outrigger float pad
✅ Correct Answer: B
Rationale: Counterweights offset the load moment. Outriggers
increase stability, but counterweight is the primary anti-tip
device.
3. A hydraulic crane’s load moment indicator (LMI) warns the
operator when:
A. Engine oil is low
B. Crane approaches overturning or structural capacity
C. Wind speed exceeds 20 mph
D. Outriggers are not fully extended
✅ Correct Answer: B
,Page 3 of 143
Rationale: LMI monitors load weight, radius, and boom angle to
prevent overload. It does not measure wind or engine status.
4. Which component directly supports the wire rope as it
spools onto the drum?
A. Sheave
B. Idler pulley
C. Flange
D. Grooved drum
✅ Correct Answer: D
Rationale: The grooved drum guides wire rope evenly to prevent
crushing and overlapping.
5. What is the purpose of a jib on a crane?
A. Increase lifting capacity
B. Provide additional height or reach beyond the main boom
C. Stabilize the crane during travel
D. Measure wind speed
✅ Correct Answer: B
, Page 4 of 143
Rationale: A jib is an attached lattice extension for extra reach,
but it reduces load capacity.
6. Which crane type is most stable for lifts on uneven,
unimproved terrain?
A. Rough-terrain crane
B. All-terrain crane
C. Truck-mounted crane
D. Overhead bridge crane
Correct Answer: A
Rationale: Rough-terrain cranes have large flotation tires and
four-wheel drive/steer for uneven ground.
7. The structural component that connects the boom to the
rotating upper deck is the:
A. Turntable bearing
B. Carbody
C. Track frame
D. Mast
General crane safety 2026/27 Real Exam
Update, Questions With Correct Answers
(Verified Answers) ||Complete A+ Guide
1. Which crane type uses a lattice boom and is commonly
mounted on crawlers?
A. Hydraulic truck crane
B. Crawler crane
C. Rough-terrain crane
D. Tower crane
✅ Correct Answer: B
Rationale: Crawler cranes have lattice booms and tracks for
stability on soft ground. Tower cranes are fixed to concrete
pads.
,Page 2 of 143
2. What component prevents a crane from tipping when lifting
heavy loads?
A. Boom hoist
B. Counterweight
C. Jib
D. Outrigger float pad
✅ Correct Answer: B
Rationale: Counterweights offset the load moment. Outriggers
increase stability, but counterweight is the primary anti-tip
device.
3. A hydraulic crane’s load moment indicator (LMI) warns the
operator when:
A. Engine oil is low
B. Crane approaches overturning or structural capacity
C. Wind speed exceeds 20 mph
D. Outriggers are not fully extended
✅ Correct Answer: B
,Page 3 of 143
Rationale: LMI monitors load weight, radius, and boom angle to
prevent overload. It does not measure wind or engine status.
4. Which component directly supports the wire rope as it
spools onto the drum?
A. Sheave
B. Idler pulley
C. Flange
D. Grooved drum
✅ Correct Answer: D
Rationale: The grooved drum guides wire rope evenly to prevent
crushing and overlapping.
5. What is the purpose of a jib on a crane?
A. Increase lifting capacity
B. Provide additional height or reach beyond the main boom
C. Stabilize the crane during travel
D. Measure wind speed
✅ Correct Answer: B
, Page 4 of 143
Rationale: A jib is an attached lattice extension for extra reach,
but it reduces load capacity.
6. Which crane type is most stable for lifts on uneven,
unimproved terrain?
A. Rough-terrain crane
B. All-terrain crane
C. Truck-mounted crane
D. Overhead bridge crane
Correct Answer: A
Rationale: Rough-terrain cranes have large flotation tires and
four-wheel drive/steer for uneven ground.
7. The structural component that connects the boom to the
rotating upper deck is the:
A. Turntable bearing
B. Carbody
C. Track frame
D. Mast
