CDL GENERAL KNOWLEDGE TEST (PA) - PRACTICE TEST
41.
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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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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Accelerate while pressing the clutch and turn toward the driver's side.
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42.
Which of the following statements about driving in very hot weather is true?
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You should inspect the tires every 2 hours or every 100 miles.
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If a tire is too hot to touch, keep driving to cool it off.
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As the temperature of the tire increases, the air pressure of a tire decreases.
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None of the above.
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43.
Name two situations in which it may not be safe to operate your vehicle at legal maximum weights.
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In heavy traffic or at night
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Over bridges or through tunnels
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During bad weather or in mountains
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All of the above.
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44.
If you are being tailgated, you should:
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speed up.
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increase your following distance.
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flash your brake lights.
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move to the left lane.
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45.
Broken suspension parts:
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should not be a concern unless you are driving on steep grades.
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can be extremely dangerous.
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hold up the vehicle and its load and keep the axles in place.
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All of the above.
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46.
Which of the following is true about curved mirrors?
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They are illegal in most States.
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In a curved mirror everything appears smaller than it would if you were looking at it directly.
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In a curved mirror things seem closer than they really are.
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None of the above.
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47.
What is a "header board"?
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The pressure gauge connected to the air tank.
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A safety device that protects you from your cargo in case of an accident.
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Another term for the brake camshaft.
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The back door of the cargo compartment.
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48.
Name some exhaust system parts.
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Drag link, spindle and gear box
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Mufflers, mounting brackets and vertical stacks
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Main spring, axle and font axle hanger
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Pitman arm, hydraulic fluid reservoir and tie rod
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49.
How many drinks per hour can be handled by the liver?
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About 4 drinks per hour.
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About 3 drinks per hour.
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About 1 drink per hour.
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About 2 drinks per hour.
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50.
Before driving a vehicle with a dual brake brake system, the driver should:
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allow time for the air compressor to build up a minimum of 100 psi pressure in both the primary and secondary systems.
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pump the brake pedal 10 times to build pressure.
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wait at least 5 minutes before driving.
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wait at least 10 minutes before driving.
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