TheoryFree OSHA Powered Industrial Truck (29 CFR 1910.178) Practice Test
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OSHA Powered Industrial Truck (29 CFR 1910.178) Questions
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Q1Under OSHA, what is the correct term for the equipment commonly called a forklift?
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✓ Correct answer: A powered industrial truck
OSHA standard 29 CFR 1910.178 covers these machines under the term 'powered industrial truck' (PIT), which includes forklifts, order pickers and similar trucks.
Q2What does the truck's nameplate (data plate) class designation, such as a 'G' marking, indicate?
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✓ Correct answer: The year it was built
The designation marks the power source and the classification of hazardous (combustible/flammable) locations in which the truck may be used.
Q3An electric forklift is generally preferred over an internal-combustion (IC) model indoors mainly because it:
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✓ Correct answer: Produces no engine exhaust
Electric trucks emit no combustion exhaust, avoiding carbon monoxide build-up in enclosed spaces. IC trucks require adequate ventilation indoors.
Q4The overhead guard on a forklift is designed primarily to:
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✓ Correct answer: Protect the operator from falling objects
The overhead guard protects the operator from small falling objects. It is not designed to withstand the full impact of a falling capacity load.
Q5What is the purpose of the load backrest extension?
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✓ Correct answer: To stop the load from tipping back onto the mast and operator
The load backrest extension prevents the load, or parts of it, from falling backward toward the mast and operator when the mast is tilted back or raised.
Q6The heavy section at the rear of a sit-down counterbalanced forklift is the:
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✓ Correct answer: Counterweight
The counterweight at the rear balances the load on the forks, keeping the truck stable. This is why you must never add or remove unauthorised counterweight.
Q7A 'tilt' control on the mast allows the operator to:
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✓ Correct answer: Tilt the mast forward or back to stabilise the load
Tilting the mast back cradles the load against the backrest for travel; tilting forward is used to pick up or set down a load.
Q8Which statement about attachments (e.g. clamps, side-shifters) is correct?
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✓ Correct answer: They can reduce the truck's rated capacity and must be accounted for
Attachments add weight and move the load centre, reducing rated capacity. The truck must be marked for the attachment and its derated capacity.
Q9An 'order picker' differs from a standard counterbalanced forklift because:
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✓ Correct answer: The operator platform rises with the forks and a fall-arrest harness is required
On order pickers the operator is elevated with the load, so a body harness/lanyard fall-protection system anchored to the platform is required.
Q10Modifications that affect capacity or safe operation of a forklift:
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✓ Correct answer: Require prior written approval from the manufacturer
29 CFR 1910.178(a) requires the manufacturer's prior written approval for modifications affecting capacity or safe operation, and the data plate must be updated.
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