DELAWARE CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
You should downshift:
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when stopping suddenly and when you are being tailgated.
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before entering a curve and before starting down a hill.
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before starting up a hill and while going around a curve.
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after starting down a hill and after entering a curve.
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12.
Which of these is NOT part of the basic method for shifting up?
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Release the clutch and press the accelerator at the same time.
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Accelerate while pressing the clutch and turn toward the driver's side.
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Release the accelerator, push in the clutch and shift to neutral at the same time.
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Push in the clutch and shift to the higher gear at the same time.
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13.
What is countersteering?
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Staying off the brake while steering to the right to avoid an accident.
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Locking your wheels while turning in an emergency situation.
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Driving too fast for conditions.
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Turning the steering wheel quickly the other way after steering in an emergency situation.
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14.
Tire load is defined as:
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the weight transmitted to the ground by 1 tire.
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the minimum safe weight a tire can carry at a specified pressure.
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the minimum tire pressure.
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the maximum safe weight a tire can carry at a specified pressure.
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15.
You should reject a vehicle until which of the following gets rectified?
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Faulty windshield wipers
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Faulty headlights
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Faulty flashers
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All of the above.
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16.
For an electrical equipment fire or a gasoline or oil fire, use:
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water.
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a type A:B:C or B:C fire extinguisher.
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a type B:C fire extinguisher only.
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a type D fire extinguisher only.
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17.
_________ helps coordinate emergency response to chemical hazards.
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The Federal Transportation Organization
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The National Prevention Network
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The National Chemical Network
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The National Response Center
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18.
Before driving a vehicle with a dual air system, allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
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25 psi
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100 psi
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75 psi
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50 psi
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19.
What are some advantages of going right instead of left around an obstacle?
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Someone may be passing to the left.
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You can avoid a head-on collision.
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There may be a shoulder that you can steer into.
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All of the above.
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20.
What is Gross Vehicle Weight Rating?
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The total weight of a single vehicle, including its load
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The total weight of a combination of vehicles including the load
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The total weight of a combination of vehicles excluding the load
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The value specified by the manufacturer as the loaded weight of a single vehicle
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