CDL KNOWLEDGE TEST first 40

Question 1

cargo that can shift should have at least ____tie down(s)

Accepted Answer

2

Question 2

which of these statements about using turn signals is true?

Accepted Answer

when turning, you should signal early.

Question 3

u can see a marking on a vehicle ahead. the marking is red triangle with an orange center. What does the marking mean?

Accepted Answer

it may be a slow-moving vehicle.

Question 4

you're checking your tires for a pre-trip inspection. which of these statements is true?

Accepted Answer

tires of mismatched sizes should not be used on the same vehicle.

Question 5

which of these statements about double clutching and shifting is true?

Accepted Answer

you can see the tachometer to tell you when to shift.

Question 6

stab braking

Accepted Answer

involves releasing the brakes only after the wheels lock up

Question 7

which of these is not part of the pre trip inspection of the engine compartment?

Accepted Answer

valve clearance

Question 8

u come over a hill & a car is stopped ahead of you. u don't have room 2 stop. the hill blocks view. you should:

Accepted Answer

steer to the right

Question 9

ur drivin a 40ft@35mph. The road is dry& visibility's good. What is the least space you should keep in front to be safe?

Accepted Answer

4 seconds

Question 10

which of these best describes how you should use the break pedal on a steep downhill grade?

Accepted Answer

snubbing.

Question 11

it takes the body about _______ hours to get rid of the alcohol in four drinks

Accepted Answer

4

Question 12

which of these statements about tires and hot weather driving is true?

Accepted Answer

Inspect ur tires every 2 hours or every 100 miles when driving hot weather

Question 13

the road u're driving on becomes very slippery due to glare ice. which is a good thing to do in such a situation?

Accepted Answer

stop driving as soon as you can safely do so

Question 14

which of these statements about driving in areas with strong winds is true?

Accepted Answer

winds are a big problem when a truck comes out of tunnels.

Question 15

ur driving a new truck with manual trans. What gear will you probably have to use to take a long, steep downhill grade?

Accepted Answer

A lower gear than you would use to climb the hill.

Question 16

you must park on the side of a level, straight two-lane road. where should you place the reflective triangles?

Accepted Answer

one within 10ft of the rear one 100 ft to the rear one 100ft to the front

Question 17

Which of these statements about drinking alcohol is true?

Accepted Answer

beers have same effect on drivin as shots of whiskey or glasses of wine.

Question 18

Cargo inspections:

Accepted Answer

Should be performed pre-trip, after 50miles, after 3hrs/150m, after break.

Question 19

ur truck is in a traffic emergency & may collide with another vehicle if u don't take action. what is a good rule?

Accepted Answer

u can almost always turn to miss an obstacle more quickly than you can stop

Question 20

if your vehicle catches fire while you are driving, you should:

Accepted Answer

park in an open area

Question 21

cargo covers:

Accepted Answer

both of the answers are correct

Question 22

Which of these statements about speed management is true?

Accepted Answer

u should choose a speed that lets u stop within dist that u can see ahead

Question 23

an en route inspection should include checking for:

Accepted Answer

both of these are correct

Question 24

u're driving on 2lane road. an oncoming driver drifts into ur lane & headed 4 u. Which is often the best action 2 take?

Accepted Answer

steer to the right

Question 25

which of these statements about staying alert to drive is true?

Accepted Answer

sleep is the only thing that can overcome fatigue

Question 26

To help you stay alert while driving, you should:

Accepted Answer

take short break before you get drowsy.

Question 27

which of these is the most important thing to remember about emergency braking?

Accepted Answer

if the wheels are skidding, you cannot control the vehicle.

Question 28

which of these is a good thing to remember when crossing or entering traffic with a heavy vehicle?

Accepted Answer

heavy vehicles need larger gaps in traffic than cars

Question 29

high beams should be

Accepted Answer

used when it is safe & legal to do so

Question 30

where or when should u test the stopping action of your service brakes?

Accepted Answer

when the vehicle is moving at about 5 mph

Question 31

To prevent a load from shifting, there should be at least one tie down for every____ feet of cargo.

Accepted Answer

10

Question 32

which of these statements about cargo loading is true?

Accepted Answer

state laws dictate legal weight limits

Question 33

While driving, ice builds up on your wipers and they no longer clean the windshield. You should:

Accepted Answer

stop safely & fix the problem.

Question 34

what is counter-steering?

Accepted Answer

turning wheel back other direction after steerin 2avoid a traffic emergency

Question 35

u are starting ur vehicle from a stop. as you apply power to the driver wheels, they star to spin. you should:

Accepted Answer

take your foot off the accelerator

Question 36

you don't have hazardous materials endorsement on CDL. You can drive a vehicle hauling hazardous materials when:

Accepted Answer

The vehicle does not require placards.

Question 37

if a straight vehicle (no trailer or articulation) goes into a front-wheel skid, it will:

Accepted Answer

go straight ahead even if the steering wheel is turned

Question 38

which of these statements about accelerating is true?

Accepted Answer

rough acceleration can cause mechanical damage

Question 39

what should you do when your vehicle hydroplanes?

Accepted Answer

release the accelerator

Question 40

Retarders:

Accepted Answer

can cause the drive wheels to skid when they have poor traction.

CDL KNOWLEDGE TEST first 40

Questions 40

CDL KNOWLEDGE TEST first 40

Questions 40