DE CDL PRACTICE TEST - GENERAL KNOWLEDGE
41.
You should be aware that many car drivers closely follow large vehicles especially:
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on the highway.
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in bad weather.
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when crossing a bridge.
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in the city.
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42.
When making a left turn at an intersection, you should:
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reach the center of the intersection before you start the left turn.
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always use your horn.
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start your turn before reaching the center of the intersection.
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always take the left turn lane if there are two turning lanes.
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43.
When inspecting your vehicle for suspension system defects, look for:
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cracked or broken spring hangers.
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missing or broken leaves in any leaf spring.
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leaking shock absorbers.
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All of the above.
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44.
If your vehicle has power steering, during your pre-trip external inspection you must check that:
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there are no power steering fluid leaks or damage to the power steering hoses.
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there's a function light.
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the engine rpm is down close to
idle.
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there are 2 lit red lights indicating it's there.
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45.
Blocking and bracing are:
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driving techniques used to regain control when your drive wheels start to skid.
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coupling devices used to connect the service air lines from the truck or tractor to the trailer.
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used to keep cargo from sliding and to prevent movement of cargo.
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None of the above.
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46.
Truck tractors with air brakes built after March 1, 1997, are required to be equipped with:
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anti-lock brakes.
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GPS
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a rear backup camera.
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hydraulic brakes.
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47.
Front-end header boards:
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can cause your vehicle to hydroplane.
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protect your from glare and eyestrain.
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protect you from your cargo in case of an accident.
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protect the cargo from weather.
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48.
If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
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5, 50 and 500 feet
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3, 15 and 45 feet
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5, 25 and 50 feet
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10, 100 and 200 feet
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49.
Which of the following should be checked for looseness, sticking, damage, or improper setting?
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Accelerator
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Steering wheel
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Clutch
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All of the above.
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50.
Which of the following can cause vehicle fires?
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Short circuits and loose connections
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Improper fueling
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Improperly sealed cargo
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All of the above.
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