DELAWARE CDL PRACTICE TEST - GENERAL KNOWLEDGE
41.
To warn drivers behind you that you will be slowing down, you should:
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turn on the parking, clearance and side-marker lights.
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turn on the right and left turn signals at the same time.
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turn on the 4-way emergency flashers.
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tap your brake pedal a few times to flash your brake lights.
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42.
Drivers should inspect their cargo and its securing devices within the first _______ after beginning the trip.
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15 miles
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100 miles
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50 miles
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25 miles
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43.
The best time to take a short break is:
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when you feel you can't go any further without one.
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before you feel you need it.
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when you start to feel drowsy.
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at regular intervals.
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44.
Excessive use of the service brakes results in overheating. Too much heat can:
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cause the brakes apply unevenly.
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cause the brakes to squeak.
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cause the brakes to grab.
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make the brakes stop working.
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45.
Too much weight on the steering axle can cause:
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better handling.
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hard steering and damage to the steering axle and tires.
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poor traction.
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None of the above.
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46.
How many drinks per hour can be handled by the liver?
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About 3 drinks per hour.
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About 4 drinks per hour.
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About 2 drinks per hour.
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About 1 drink per hour.
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47.
You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
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apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
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maintain your current speed, and apply the brakes when you reach 50 mph to gradually reduce your speed to 40 mph.
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increase your speed to approximately 45 mph, and then apply release the brakes.
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apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
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48.
The vehicle inspection report:
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ensures that when the driver gets behind the wheel, the mechanic is responsible for the safe operation of the vehicle.
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tells the shipper how to package the materials.
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ensures that vehicle inspections are conducted regularly.
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tells the motor carrier about problems that may need fixing.
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49.
If you are being tailgated, you should:
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turn on your taillights.
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make quick changes.
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increase your speed very gradually.
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open up room in front of you.
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50.
The posted speed limit for a curve:
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may be too fast for many trucks or buses.
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is safe for all vehicles.
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is optional and may be exceeded.
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is safe for trucks or buses, but it may be too fast for cars.
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