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Which of these is true about the radiator shutters and the winterfront?
The engine needs to breathe.
Before transporting a sealed load, you must check which of the following?
If it’s sealed, you can’t control it.
At dawn or dusk, or in rain or snow, it can be hard to see and be seen. You can let others know you are there by:
Lights make you more visible.
Which of these statements about engine overheating is true?
Wait until it cools.
Where should you keep the shipping papers?
They must be easily seen by someone entering the cab.
If you must drive in fog, what should you do?
What should you do when approaching a hazard in a work zone?
Alert other drivers.
You are driving in a rainstorm in the middle of the day. What following distance should you maintain behind the vehicle in front of you?
Your stopping distance may double.
When getting ready to cross a bridge you should:
Pay attention to the signs before you cross.
When backing, which of the following is FALSE?
Which of the following statements about parking on the entrance and exit ramps is TRUE:
They are called on/off ramps for a reason.
At night, with your low-beam headlights on, you can see:
Less than 300 feet ahead.
When making a left turn:
Your CMV may off-track if you start turning left too early.
Which of the following can cause a skid?
A skid occurs when the tires lose their grip of the road.
Which of these statements about tires and hot-weather driving is true?
Hot air expands.
During an inspection of hydraulic brakes, you should pump the brake pedal three times, then apply firm pressure to the pedal for five seconds. If the brakes are working properly,
It had better not sink.
Why is it important to shift gears properly?
It’s particularly important for steep downgrades.
Which of these statements about certain types of cargo is true?
Use extreme caution when a cargo can move around.
You are driving in the right lane of a four-lane, undivided road. Traffic is heavy. You come around a curve and then you notice a hazard ahead in your lane. You don’t have enough room to stop. What should you do?
Escape to the right.
After you start the engine:
In cold weather, it can take a while to warm up an engine.
Which of these is NOT part of the pre-trip inspection of the engine compartment?
Which of these statements about driving in areas with strong winds is true?
Going from none to lots of wind.
Which of these will happen if a tire blows out at highway speeds?
You may only feel it.
What should you do first when there’s a fire?
Do not let it spread.
Which of these statements about accelerating is true?
Accelerate smoothly and gradually.
For combination vehicles, which of the following statements about drive-wheel braking skids is true?
Locked wheels can slide on the road surface.
In a combination vehicle, wet brakes increase the risk of:
The brakes may become less effective.
Which of these statements is NOT true about backing a heavy vehicle?
Never hit anything.
You were forced to leave the road in an emergency, and you are forced to return to the road before stopping on the shoulder. What should you do?
It’s not like driving a car.
Which of these statements about double-clutching and shifting is true?
Use those rpm’s.
When you’re starting off on dry, level pavement, it is usually necessary to do which of the following?
Rolling back can be a problem on inclines.
Which of these statements about using mirrors is true?
They can’t show everything.
Extra care may be needed to keep your vehicle centered in your lane, because commercial vehicles:
Eight- and one-half feet is not uncommon.
Which of these is a danger of crossing railroad tracks on dirt roads?
Mind the space underneath your vehicle.
In which of the following situations should you use your horn?
Your horn is a warning device.
You are starting your vehicle from a stop. As you apply power to the drive wheels, they start to spin. You should:
When force applied to the wheels overcomes grip of the road.
Which piece of emergency equipment must be carried in a CMV?
One of these is a federal requirement in case of a breakdown.
Which of these is important to check before driving in the winter?
Some vehicle systems are even more critical in winter.
After you start the engine, which of the following will occur?
Your vehicle will be ready to drive quite soon.
What should you do in thick fog?
Seeing taillights or headlights in front of you may not be a true indication of where the road is ahead of you.
If you must drive in fog:
The light from high beams tends to reflect back and cause glare.
Which of the following may be a sign of tire failure?
How does vehicle weight affect stopping distance?
The brakes and suspension of a truck are designed to handle heavy cargo.
You are testing the stopping action of service brakes on a hydraulic system. Which of these can mean there is a problem?
Anything out of the ordinary.