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If you double your speed, how much more distance will it take to brake to a stop? - (answer)Four times
as much
When you double your speed, your braking distance increases by roughly the square of the speed
increase - to about four times as much as before. For example, increasing your speed from 15 to 30 mph
will increase your stopping distance from 46 to 148 feet.
Letting the air out of hot tires - (answer)Is a bad idea because when the tires cool off, pressure will be
too low.
When tires get hot, the air pressure increases. However, relieving that extra pressure will leave the air
pressure too low when the tires cool again, and then the tires may catch fire or blow out. If your tires
are too hot to touch, stop until they have cooled down.
Signs of a drunk driver include all of the following except - (answer)Reacting quickly to hazards
Alcohol can impair a driver's coordination and judgment and increase his or her reaction time. As a
result, the driver may straddle two lanes, weave from lane to lane, fail to obey traffic laws, drive
dangerously fast, or (in an attempt to stay in control) drive very slowly.
The minimum tire tread depth for the front tires is - (answer)4/32 inch. or 0.125 inches
Front tires require depth of at least 4/32 inch. All other tires require a tread depth of at least 2/32 inch.
What is the best way to check what is going on behind and to the sides of your vehicle? - (answer)Check
your mirrors regularly.
To know what's going on behind and to the sides of your vehicle, check your mirrors regularly while you
drive, and check them even more often in special situations. Before you start to drive adjust your
mirrors so that each mirror shows a different part of your vehicle.
If you are being tailgated, you should: - (answer)Increase your following distance.
If you are being tailgated, avoid sudden changes or tricks such as flashing your brake lights. Instead,
increase your following distance to give both you and the tailgater more space to react to hazards. This
may also encourage the tailgater to pass you. Don't speed up in an attempt to appease or outdistance
the tailgater. No speed is too fast for some tailgaters.
, CDL Exam Preparation Version 2 Newest With Complete Questions And Correct Detailed Answers|
Brand New Version!
Which of the following is NOT a key steering system component? - (answer)1. Tie Rod 2. Steering wheel
3. Axle 4. Gear box
Axle. Each axle is, of course, an integral part of your vehicle. However, it is not a key part of the steering
system, which includes the other choices, the steering column, the arm and knuckle, the hydraulic fluid
reservoir, the pitman arm, and the spindle.
You should inspect wheel bearing seals for - (answer)Leaks.
The most likely problem with wheel bearing seals is leaking, so you should check for grease on the
wheels and any visible evidence of cracks or leaks.
The most important hand signal that you and a helper should agree on is - (answer)"Stop"
Unfortunately, once an accident happens, you can't take it back. That's why it's absolutely essential for
you and your helper to have clear hand signal for "Stop." That way, you'll be able to quickly stop what
you are doing before an accident can occur.
"A truck's braking distance is shorter when it's empty than when it's fully loaded." - (answer)False.
Trucks brake best when they are used as they were designed: to carry a properly balanced load. Empty
trucks actually have longer braking distances than loaded trucks because they have less traction.
Why should you cover your cargo? - (answer)There are several reasons to cover your cargo, including
protecting other people and the cargo itself. In addition, it will help you comply with regulations in
several states. Florida law requires you to cover loose cargo to prevent any part of it from blowing off,
falling off, or otherwise escaping from your vehicle. [FL Stat § 316.520]
When you start to drive down a steep downgrade, which of the following should influence your choice
of speed? - (answer)When choosing a safe speed for driving down a steep downgrade, consider its
steepness, its length, the road and weather conditions, and the weight of your vehicle and its cargo.
Before transporting a sealed load, you must check - (answer)That you don't exceed gross weight or axle
weight limits.