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Many commercial vehicles with manual transmissions require "double clutching". Which of the following is the recommended procedure for "double clutching" into a higher gear?


A) Hold accelerator down, depress clutch, release clutch, rev up engine, depress clutch, shift to next higher gear, release clutch.
B) Depress clutch, rev up engine slightly, release clutch, depress clutch, shift to next higher gear, release clutch.
C) Release accelerator, depress clutch, shift to neutral, release clutch, allow rpm to slow to required level, depress clutch and shift to next gear, release clutch and depress accelerator.
D) None of the above is correct.

Correct Answer

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When driving a commercial vehicle with a high load, which of the following should drivers be most aware of?


A) Air temperature
B) Tire pressure
C) Winds
D) Fuel economy

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Which of the following statements is FALSE concerning hydroplaning?


A) Because of their added weight combination vehicles cannot hydroplane.
B) School buses can hydroplane under certain road conditions.
C) Single vehicles are as likely to hydroplane as buses.
D) All of the above are true statements.

Correct Answer

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When backing a combination truck and trailer, you turn the steering wheel in the opposite direction until the trailer starts to turn, then you:


A) Turn the wheel the other direction and follow the trailer
B) Continue to keep the wheel turned in the opposite direction
C) Back toward the right side of the vehicle
D) None of the above

Correct Answer

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When retarders are turned ON, they apply braking power:


A) To all wheels on the tractor but not to the trailer
B) To all wheels, truck and trailer alike
C) To the drive wheels only
D) Only to the tractor wheels

Correct Answer

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Commercial vehicle drivers must adjust their speed to meet which of the following conditions?


A) Traffic
B) Visibility
C) Terrain, including hills
D) Road traction
E) All of the above

Correct Answer

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Which of the following is true when determining when to up shift a manual transmission?


A) You should NOT use engine speed or rpm as a gauge
B) You NOT use the tachometer as a gauge for shifting
C) You SHOULD use road speed as a gauge for shifting
D) You should NOT use engine sounds as a shifting gauge

Correct Answer

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As a licensed commercial driver, you are required to notify your employer of any type of traffic violation, accident, or physical incident. This statement is:


A) True
B) False
C) It depends on the employer's policy.
D) It depends on the state laws.

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If the brakes on a commercial vehicle fail, which of the following will NOT help the driver to maintain control of the vehicle and slow the vehicle?


A) Pumping the brakes
B) Shifting the vehicle into a higher gear
C) Shifting the vehicle into a lower gear
D) Using an escape ramp

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When driving a commercial vehicle at slow speeds, the use of emergency flashers is:


A) Always allowed by law
B) Never allowed by law
C) Allowed in some states, but not in other states
D) Always at the driver's discretion

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Commercial drivers who are driving with the intention of doing some form of harm to other drivers may be charged with which of the following:


A) Aggressive driving
B) Road rage
C) Reckless driving
D) Failure to yield

Correct Answer

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Commercial drivers should know how to identify slippery roads. Which of the following may indicate a slippery road?


A) Melting ice on roadway
B) Bridges
C) Vehicle icing
D) Shaded areas
E) All of the above

Correct Answer

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Multi-speed rear axles and auxiliary transmissions are used to:


A) Assist drivers to make shifting smoother
B) Provide more gears
C) Controlled by a switch located under the cab
D) All of the above

Correct Answer

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Which of the following steps is NOT an immediate requirement that you must take of if you are involved in an accident?


A) Notify authorities.
B) Prevent further injury to others involved.
C) Gather contact information from all drivers.
D) Notify your employer as soon possible.

Correct Answer

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When driving in very hot weather, commercial vehicle operators should inspect their tires:


A) Every 90 minutes or 100 miles
B) Every 60 minutes, 50 miles
C) Every 3 hours, 200 miles
D) Every 2 hours, 100 miles

Correct Answer

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In the event of an engine fire, drivers should NOT do which of the following?


A) Use the fire extinguisher, spraying from below if possible into the engine compartment.
B) Pull over as soon as safely possible and bring vehicle to a full stop.
C) Open the hood to allow more air inside.
D) Evacuate the vehicle until the fire is completely out.

Correct Answer

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Which of the following can affect the overhead clearance of bridges and overpasses?


A) Repaved roads
B) Packed snow
C) Thick ice
D) All of the above

Correct Answer

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As a general rule, commercial vehicle drivers should look ahead:


A) At least 12 to 15 seconds
B) At least 5 to 10 seconds
C) It does not matter.
D) At least 25-30 seconds

Correct Answer

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A Class A CDL is required for those who will be driving:


A) Any combination of vehicles with a gross combination weight rating of 40,000 pounds or more, provided the vehicle being towed weighs more than 10,000 pounds
B) Any combination of vehicles with a gross combination weight rating of 26,001 pounds or more, provided the vehicle being towed weighs more than 10,000 pounds
C) Any combination of vehicles with a gross combination weight rating of 15,000 pounds or more, provided the vehicle being towed weighs more than 10,000 pounds
D) None of the above

Correct Answer

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Commercial vehicle drivers rely on their mirrors for safe driving. Mirror adjustments should:


A) Be made only by service personnel during maintenance checks
B) Be made while the vehicle is being driven
C) Be made prior to the start of the trip and whenever needed afterwards
D) None of the above

Correct Answer

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