IA CDL PRACTICE TEST - GENERAL KNOWLEDGE
41.
Under a pressurized system, the radiator cap:
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should never be removed until the system has cooled.
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should never be hot.
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should be removed when the coolant is hot.
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42.
You should avoid driving through flowing water of deep puddles if possible. If not, you should:
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gently apply the brakes, increase engine rpm and cross the water while keeping light pressure on the brakes.
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set out reflective triangles to warn other traffic.
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press the accelerator and increase the engine and gear speed to the rpm required by road conditions.
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43.
When a combination vehicle goes around a corner:
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the front and rear wheels follow a different path.
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the rear wheels of the trailer will never off-track.
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the driver must keep the rear of your vehicle far away from the curb.
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44.
Commercial motor vehicles:
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are only required to have a fire extinguisher when transporting hazardous materials.
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should have a properly charged and rated fire extinguisher and other emergency equipment.
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are not required to have a fire extinguisher if they already have reflective warning triangles and other emergency equipment.
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45.
Which of the following is NOT TRUE?
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You should cover cargo to protect it from the weather.
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You should regularly inspect the contents of sealed loads.
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In many states, spill protection for covered cargo is a requirement.
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46.
If coolant has to be added to a system without a recovery tank, you should:
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turn the radiator cap quickly to the first stop.
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keep the engine running while adding coolant.
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wait until the engine has cooled before adding coolant.
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47.
Which surface is the most slippery?
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Wet ice
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Ice that is not wet
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Wet pavement
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48.
Escape ramps are:
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used to stop runaway vehicles safely.
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reserved for vehicles carrying dangerous goods.
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reserved for combination vehicles.
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49.
To apply the parking brakes:
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push the parking brake control knob in.
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pull the parking brake control knob out.
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place the parking brake control knob in Neutral.
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50.
When switching gears, if you remain too long in Neutral:
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the brakes won't work.
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you may have difficulty putting the vehicle into the next gear.
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the vehicle will speed up.
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