Practice question

Which statement is correct about release dolly fifth wheel for the New York CDL doubles/triples test?

release the latch before parking brakes
release the dolly fifth-wheel latch only after securement, landing gear, valve, line, and dolly-brake steps
release the latch before lowering landing gear
release the latch while driving

Answer: B — release the dolly fifth-wheel latch only after securement, landing gear, valve, line, and dolly-brake steps

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