CDL PRACTICE TEST - GENERAL KNOWLEDGE (MASSACHUSETTS)
41.
To prevent fire, you should:
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inspect the electrical, fuel, and exhaust systems.
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inspect tires and cargo.
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check that the fire extinguisher is charged.
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All of the above.
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42.
Which of the following statements about driving in cold weather is true?
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Brakes will never fade or fail from excessive heat caused by using
them too much.
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An engine cannot overheat when the weather is very cold.
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Exhaust system leaks are less dangerous in cold weather.
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You should use windshield washer antifreeze.
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43.
Why should you put the starter switch key in your pocket during the pre-trip inspection?
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So no one moves the vehicle while you are inspecting underneath it.
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You will need it to inspect the trailer.
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So you don't lose it.
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All of the above.
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44.
As your blood alcohol concentration (BAC) builds up, which of the following is affected?
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Muscle control
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Vision
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Coordination
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All of the above.
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45.
While driving, you should use your mirrors to:
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check where the rear of your vehicle is while you make turns.
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know where other vehicles are around you.
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check the condition of the tires and cargo.
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All of the above.
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46.
If a tire blows out, you should:
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keep a firm grip on the steering wheel and stay off the brake until the vehicle has slowed down.
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fully apply the brakes while holding the steering wheel firmly.
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immediately head for the side of the road.
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keep driving until you reach the next service station.
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47.
What is an advantage of going right instead of left around an obstacle?
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No one is likely to be passing you on the left, but someone may be driving on the shoulder.
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There is no real advantage.
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If an oncoming driver has drifted into your lane, their natural response will be to brake suddenly.
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If you are blocked on both sides, a move to the right won't force anyone into an opposing traffic lane and a possible head-on accident.
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48.
Drivers should check and adjust their mirrors:
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while driving.
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before starting a trip.
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after a trip.
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All of the above.
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49.
ABS:
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replaces your normal brakes.
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should only be used on dry roads.
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allows you to brake harder.
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is an addition to your normal brakes.
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50.
Which of the following is considered a serious traffic violation?
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Reckless driving
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Excessive speeding (15 mph or more above the posted limit)
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Following a vehicle too closely
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All of the above
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