CDL DOUBLES PRACTICE TEST CONNECTICUT
11.
An item that is 15 feet long placed on a flatbed trailer should have at least:
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15 tie-downs.
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2 tie-downs.
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3 tie-downs.
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1 tie-down.
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12.
What should you do if you doubt you have safe space to pass under a low bridge?
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Assume that the height posted at the bridges is correct.
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Increase the weight of your vehicle to clearing under the bridge.
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If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
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Go slowly, and take another route if you are not sure you can make it.
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13.
The tire load for each tire is stated:
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on the side of the tire.
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on the vehicle's operator manual.
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on the tread of the tire.
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on the inside of the tire.
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14.
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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wait at least 5 minutes before driving.
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wait at least 10 minutes before driving.
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pump the brake pedal 10 times to build pressure.
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15.
To prevent a rollover, the driver should:
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pay extra attention to the coolant level.
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make quick lane changes if possible.
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drive slowly around corners, on ramps, and off ramps.
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drive on the shoulder if possible.
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16.
Strong winds can make it difficult to stay in your lane especially when driving:
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flatbed trailers.
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heavier vehicles.
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lighter vehicles.
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vehicles with ABS.
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17.
You should NOT use the parking brakes if:
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the brakes are very hot.
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the brakes are too dry.
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the brakes are cold.
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All of the above.
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18.
Which of these describes the proper braking technique when driving on a long and steep downgrade?
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Release the brakes until your speed is 5 mph above your safe speed, then apply the brakes. When your speed has decreased to your safe speed, repeat the previous steps.
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Apply the brakes until your speed has been reduced to 5 mph, then release the brakes. When your speed has increased to your safe speed, repeat the previous steps.
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Apply the brakes. When your speed has been reduced to 5 mph below your safe speed, release the brakes. When your speed has increased to your safe speed, repeat the previous steps.
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All of the above.
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19.
Air storage tanks:
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pump air into the air storage tanks.
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use parts of the service brake systems to stop the vehicle in a brake system failure.
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hold compressed air for the brakes.
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are installed in the first tank the air compressor pumps air to.
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20.
You are driving a heavy vehicle with a manual transmission, and you have to stop on the shoulder while driving on an uphill grade. When putting your vehicle back in motion up the grade, you should:
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shift down to a speed that you can control without using the brakes.
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use the parking brake to hold the vehicle until the clutch engages.
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partly engage the clutch before you take your right foot off the brake.
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keep the clutch slipping while slowly accelerating.
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