NCCCO Core Practice Exam | Verified
Questions and 100% Correct Answers |
Grade A Study Material | Latest
2025/2026 Update
Question 1 Who decides if a lift is safe to make? Answer: The crane operator Rationale: The
operator is the last person in the chain and the only one who can say “yes” or “no” to the lift.
Question 2 How far must you stay from power lines up to 50 kV if you don’t know the exact
voltage? Answer: 10 feet Rationale: That’s the safe default distance everyone remembers.
Question 3 For really high-voltage lines (200–350 kV), how far away? Answer: 20 feet
Rationale: Bigger voltage = bigger safe zone.
Question 4 If you might get closer than 20 feet to any power line, what do you do first? Answer:
<span style="color="red">Find out the exact voltage and use the correct clearance table
Rationale: You can’t plan safety until you know exactly how “hot” the line is.
Question 5 Maximum wind speed when lifting people in a basket? Answer: 20 mph Rationale:
Anything faster and the basket starts swinging dangerously.
Question 6 What does the anti-two-block switch actually stop? Answer: The hook block from
hitting the boom tip Rationale: If they crash together, the rope can break or the boom can
bend/break.
Question 7 How often do you have to walk around and check the crane? Answer: Every shift
before you start work Rationale: Things can go wrong overnight or between shifts.
Question 8 During the NCCCO practical test, who is allowed to touch the controls? Answer:
Only the person taking the test Rationale: It’s your test – no help allowed.
Question 9 Crane load charts are built so the crane starts to tip at what percentage? Answer:
75% on rubber, 85% on crawlers Rationale: That built-in safety margin keeps the crane from
tipping over.
Question 10 To find out how much you can really lift, you must: Answer: Subtract the weight
of the hook block, slings, and all rigging Rationale: The chart shows total weight the crane can
hold – you have to take out everything that isn’t the actual load.
Questions and 100% Correct Answers |
Grade A Study Material | Latest
2025/2026 Update
Question 1 Who decides if a lift is safe to make? Answer: The crane operator Rationale: The
operator is the last person in the chain and the only one who can say “yes” or “no” to the lift.
Question 2 How far must you stay from power lines up to 50 kV if you don’t know the exact
voltage? Answer: 10 feet Rationale: That’s the safe default distance everyone remembers.
Question 3 For really high-voltage lines (200–350 kV), how far away? Answer: 20 feet
Rationale: Bigger voltage = bigger safe zone.
Question 4 If you might get closer than 20 feet to any power line, what do you do first? Answer:
<span style="color="red">Find out the exact voltage and use the correct clearance table
Rationale: You can’t plan safety until you know exactly how “hot” the line is.
Question 5 Maximum wind speed when lifting people in a basket? Answer: 20 mph Rationale:
Anything faster and the basket starts swinging dangerously.
Question 6 What does the anti-two-block switch actually stop? Answer: The hook block from
hitting the boom tip Rationale: If they crash together, the rope can break or the boom can
bend/break.
Question 7 How often do you have to walk around and check the crane? Answer: Every shift
before you start work Rationale: Things can go wrong overnight or between shifts.
Question 8 During the NCCCO practical test, who is allowed to touch the controls? Answer:
Only the person taking the test Rationale: It’s your test – no help allowed.
Question 9 Crane load charts are built so the crane starts to tip at what percentage? Answer:
75% on rubber, 85% on crawlers Rationale: That built-in safety margin keeps the crane from
tipping over.
Question 10 To find out how much you can really lift, you must: Answer: Subtract the weight
of the hook block, slings, and all rigging Rationale: The chart shows total weight the crane can
hold – you have to take out everything that isn’t the actual load.
