Kentucky CDL — General Knowledge Practice Test 6

1.To keep control if you strike a curb or pothole, you should hold the steering wheel:
loosely with one handwith both hands close together at the topwith only your fingertipsfirmly with both hands on opposite sides
2.How many identical placards must be displayed on a vehicle that requires placarding?
Two, one at the front and one at the rearOne, mounted on the driver's doorSix, spaced evenly around the trailerFour, on the front, rear, and both sides
3.Signs posted a few miles from the top of a mountain downgrade usually point out the location of:
escape ramps that can stop a runaway vehiclerequired weigh stationsrest areas set aside for sleepingstations that sell diesel fuel
4.An easy way to check whether the road is beginning to ice up is to feel the:
front of the mirror, its support, or the antennasteering wheelbrake pedalseat belt
5.A commercial driver faces a one-year disqualification, on a first offense, for driving a CMV with a blood alcohol concentration of:
.04% or higher.10% or higher.08% or higher.02% or higher
6.In stab braking, after the wheels lock up you should:
hold the brakes fully lockedrelease the brakes and reapply fully once the wheels rollpump the pedal rapidly and lightlysteer sharply while braking
7.A second conviction for driving a CMV under the influence of alcohol results in:
a 90-day suspensiona 3-year suspensionloss of the CDL for lifea 30-day suspension
8.To correct a drive-wheel braking skid, your first move should be to:
brake harder to regain gripaccelerate through the skidstop braking so the rear wheels can roll againset the parking brake
9.Compared with hydraulic brakes, air brakes add an extra delay to stopping known as:
brake lagperception timereaction timegovernor delay
10.Total stopping distance is made up of perception distance, reaction distance, and:
steering distancesignaling distanceloading distancebraking distance