With Complete Solutions
A driver's grid log, if required: Correct Answers Must be shown
immediately when an officer request it
EXPLANATION:
Enforcement of the HOS (Hours of Service) rules is generally
handled by DOT officers of their respective states, although any
ordinary police officer may inspect a driver's log book.
A moving vehicle ahead of you has a red triangle with an orange
center on the rear. What does this mean? Correct Answers slow
moving vehicle
EXPLANATION:
Some vehicles, by their nature, are slow and some of these will
have the "slow moving vehicle" symbol to warn you. This is a
red triangle with an orange center.
According to the driver's manual, why should you limit the use
of your horn? Correct Answers it can startle other driver
EXPLANATION:
Your horn can let others know you're there. It can help to avoid
a crash. Use your horn when needed. However, it can startle
others and could be dangerous when used unnecessarily.
Axle weight means the following? Correct Answers The weight
transmitted to the ground by one axle or one set of axles
EXPLANATION:
Axle Weight is the weight transmitted to the ground by one axle
or one set of axles
, Before transporting a sealed load, you must check Correct
Answers That you don't exceed gross weight and axle weight
limits
EXPLANATION:
You cannot inspect sealed loads, but you should check that you
don't exceed gross weight and axle weight limits.
For an average commercial vehicle, being driven at 55 mph on
dry pavement it will take about _____ to bring the vehicle to a
stop. Correct Answers More than the length of football field
EXPLANATION:
At 55 mph, your vehicle will travel a minimum of 419 feet.
Front end header boards: Correct Answers Protect you from
your cargo in case of collision and block the forward movement
of your cargo
*EXPLANATION:
Front-end header boards ("headache racks") protect you from
your cargo in case of a crash or emergency stop. The front-end
structure should block the forward movement of any cargo you
carry.
High beams should be: Correct Answers Used when it is safe
and legal to do so
*Use high beams when it is safe and legal to do so. Use them
when you are not within 500 feet of an approaching vehicle.
How can you start moving without rolling backward? Correct
Answers all of the above
*Don't roll back when you start. You may hit someone behind
you. If you have a manual transmission vehicle, partly engage