General knowledge Flashcards
which of these is not a type of retarder?
Robotic
trucks. and buses are subject to certain law and regulations. which of these is true?
laws and restrictions can vary from place to place
when approaching a bridge on a two way road, you should:
check the weight limit of the bridge
which of these statements about accidents are true?
many heavy vehicle accidents occur between midnight and 6 am
which of the statements about inspection of the suspension components is true?
axel mount should be checked at each point they are secured on the vehicle frame and axels
you are checking your brakes and suspension system for a pre-trip inspection. which of these statements is true?
brake shoes should not have oil, grease, or brake fluid on them
why may tourist be a hazard?
they may move slowly, unexpectedly change lanes, or stop
what keeps the engine cool in hot weather driving ?
enough engine oil level
cargo inspection
should be preformed after every break while driving.
a vehicle is loaded with very little weight on the drive axel. what may happen
poor traction
if your vehicle catches fire while you are driving, you should
park in an open area
turn signal should be used
at least 100 feet before turning or changing lanes
when should you test your parking brake
while the vehicle is parked
should brake adjustments be checked often
yes, because the brakes can get out of adjustment when they are used alot
which of these is true about mirror adjusting?
you should adjust your mirrors before starting your trip
when you are driving on a snow packed road, you should reduce your speed by?
1/2
the bridge formula?
permits less maximum axel weight for the axles that are close together
which of these is true about hours of service?
you should allow enough hours to rest
which of these is true about the use of drugs while driving?
prescription drugs are allowed if a doctor says they will not effect your driving ability
which of these is true about the proper use of a steering wheel?
if you do not hold the wheel with both hands, it can pull away from you
when does a helper need to be used to back your vehicle?
whenever you have to back
you should continuously while turning becuase:
you need both hands on the wheel to turn safely
which of these should be tested on the vehicle to stop?
service brakes
which of these statements about alcohol is not true
the person drinking can control how fast his body absorbs the alcohol
overweight, oversized loads
require special permits
which of the statements about braking is true?
the heavier a vehicle is or the faster it is moving, the more heat the brakes have to absorb to stop it
which of these pieces of emergency equipment should always be carried in your vehicle.
warning devices for parking vehicle
while mountain driving, you should go slow for safety. which of these is the most important?
weight of the vehicle
you must keep the papers about hauling hazardous materials
in the pouch of the driver door
you will be placed out of service for 24 hours if you blood alcohol concentration is at least
any detectable amount
what does emergency braking mean
responding to a hazard by slowing the vehicle
you should try to park so that
you can pull forward when you leave
which of these statements about using the engine brake is true ?
the use of the brakes on a downgrade add to the braking effect of the engine
after starting the engine
the oil pressure gauge should be read right to normal
whenever you double your speed, your vehicle has about how many times of destructive power if it crashes
4
if you do not have a CB radio, what is the procedure you should do on the accident scene?
protect the area
a hazard
is any road condition or other road user that is possible danger
you are driving a heavy vehicle. you must exit a highway using an off ramp that curves downhill. you should
slow down to 5 mph below the posted speed limit
which of these rigs have more chances to off track while making a turn
tractor with a 45 foot trailer
how much space in front of you is needed while driving on a highways
one second for each 10 feet of vehicle length
medicine used to treat the common cold
often makes you sleepy and should not be used while driving
which of these should you not do in an emergency situation?
it is not important how you brake in an emergency situation.
the primary cause of fatal crashes is
driving too fast
a car suddenly cuts in front of you, creating a hazard. which of these actions should you not take
honk your horn and stay close behind the car
why does your vehicle speed naturally increase on a downgrade?
gravity
during the vehicle inspection, checking of BLANK will not prevent a fire
battery fluid level
when is it necessary to learn how to use a fire extinguisher works?
before the fire happens
what is the most important reason to inspect your truck or bus?
safety
why is it important to shift gears correctly?
to keep control of the vehicle
what three distances build up the total stopping distance of your truck or bus
-perception
-reaction
-braking
extra care is needed to keep your vehicle centered in your lane becuase commercial vehicles
are often wider than other vehicles
you should lightly apply your brakes to flash the brake lights if
you are about to exit the road and need to slow down
merging onto the road is safest if you
wait for a large enough gap in the traffic to enter the road
which of these is something you should do if your headlights are not working properly
leave on your highbeams
which of these statements about backing a heavy vehicle is NOT true
because you cannot see, you should back slowly until you slightly bumped into the dock
what does emergency braking mean
responding to a hazard by slowing the vehicle
which of these is true about notifying the authorities after an accident
if you have a cellular phone or CD radio, you should notify before exiting the vehicle
if you are unsure what to use to put out a hazardous material fire you should:
wait for the firefighters
which of these is NOT a danger of rough acceleration
tire damage
which of these lights cannot be checked at the same time
-turn signals, brake lights, and four way flashers
you are inspectinh hydraulic brakes. you should pump the brake pedal 3 times, then apply firm pressure to the pedal for 5 seconds. if the brakes are working properly, the pedal should:
not move
drivers of trucks and tractor-trailers with cargo must check that the cargo is well secured within the first BLANK miles of the trip
25