CDL General Knowledge Exam 8

What is the minimum number of tie-downs for a 20 foot load? 4 3 1 2

2

When driving at night, you should dim your lights within ______ of an oncoming vehicle. 500 feet. 400 feet. 300 feet. 250 feet

500 feet.

When driving a 60 foot truck at 35 mph in ideal conditions, you should keep at least _______ of space in front of you. 6 seconds 12 seconds 5 seconds 4 seconds

6 seconds

If you triple the speed from 20 to 60 mph the impact and braking distance is: 12 times greater. 3 times greater. 6 times greater. 9 times greater.

9 times greater.

How many drinks per hour can be handled by the liver? About 4 drinks per hour. About 2 drinks per hour. About 1 drink per hour. About 3 drinks per hour

About 1 drink per hour.

If you are confronted by an aggressive driver, you should: remain calm and relaxed. avoid eye contact. try to move away safely. All of the above

All of the above.

If your brakes get wet, it can cause them: to be weak. to grab. to apply unevenly. All of the above.

All of the above.

The size of motorcycles can cause you to misjudge their speed and distance. You should: use extra caution before you pull out in front of a motorcycle. check twice for motorcycles before pulling out into traffic. never share lanes with motorcycles. All of the above

All of the above.

Which of the following beverages contains the most alcohol? A 12 ounce glass of 5% beer A 5 ounce glass of 12% wine A 1½-ounce shot of 80 proof liquor All of the above

All of the above.

You will lose your CDL privileges for at least one year for a first offense for: driving a CMV if your BAC is .04% or higher. leaving the scene of an accident involving a CMV. refusing to undergo blood alcohol testing. All of the above

All of the above.

When a tire suddenly blows out while you are driving, what should you do first? Use the parking brake. Hold the steering wheel firmly and stay off the brakes. Use controlled or stab braking. Brake lightly and hold the steering wheel firmly.

Hold the steering wheel firmly and stay off the brakes.

Name some exhaust system parts. Mufflers, mounting brackets and vertical stacks Pitman arm, hydraulic fluid reservoir and tie rod Drag link, spindle and gear box Main spring, axle and font axle hanger

Mufflers, mounting brackets and vertical stacks

Which of the following is a tip to follow so you won't become a distracted driver? Engage in complex conversations with others. Adjust all vehicle controls and mirrors while driving. Turn on all communication devices. None of the above.

None of the above.

How can you avoid rolling back when you start your vehicle? Partly engage the clutch before you take your right foot off the brake. Accelerate quickly so the vehicle does not jerk. Use stab braking before you engage the clutch. All of the above

Partly engage the clutch before you take your right foot off the brake.

______ is operating a motor vehicle with the intent of doing harm to others. Road rage Aggressive driving Excessive driving All of the above

Road rage

Which of the following statements is true? The weight of a cargo van changes its height. An empty van is lower than a loaded one. The heights posted at bridges and overpasses are always correct. The weight of a cargo van does not change its height

The weight of a cargo van changes its height.

The height of a vehicle's center of gravity is important for safe handling. Why? Trucks with a high center of gravity have better traction. A high center of gravity means you are less likely to tip over. Trucks with a high center of gravity can roll over at the posted speed limit for a curve. All of the above

Trucks with a high center of gravity can roll over at the posted speed limit for a curve.

How do you find out how many seconds of following distance you have? Wait until the vehicle ahead of you passes a pavement marking or some other clear landmark, then use the stopwatch on your mobile phone to see how long it takes you to reach the same spot. Wait until the vehicle ahead of you passes a pavement marking, shadow or landmark. Then count off the seconds until you reach the same spot. Pass a stationary object and count how many seconds it takes the vehicle ahead of you to reach the same spot. None of the above

Wait until the vehicle ahead of you passes a pavement marking, shadow or landmark. Then count off the seconds until you reach the same spot.

Escape ramps: should not be used unless you have already tried all other possible ways to save your vehicle after brake failure. cannot be used by certain types of heavy vehicles. are designed to stop runaway vehicles safely. All of the above.

are designed to stop runaway vehicles safely.

When backing your vehicle, it's not recommended to: back towards the right side. back and turn towards the driver's side. back as slow as possible. use the lowest reverse gear

back towards the right side.

Service brakes should: only be checked by a mechanic. be checked before each trip. always be checked before applying the brakes. All of the above

be checked before each trip.

Broken suspension parts: should not be a concern unless you are driving on steep grades. can be extremely dangerous. hold up the vehicle and its load and keep the axles in place. All of the above

can be extremely dangerous.

ABS: helps you increase your average speed. improves your visibility at night. does not decrease your stopping distance. helps you increase your following distance

does not decrease your stopping distance.

You should review the pre-trip inspection report from the last driver: It doesn't have to be reviewed. once a week. after each trip. during your pre-trip inspection

during your pre-trip inspection.

Suspension systems: specify the loaded weight of a single vehicle. have a minimum weight rating. are rated for the maximum weight the vehicle can pull. have a weight capacity rating

have a weight capacity rating.

Alcohol: improves reaction time. does not affect judgement. impairs depth perception. improves muscle coordination.

impairs depth perception.

A low air pressure warning signal: is optional on vehicles with air brakes. is required on all vehicles without air brakes. is required on vehicles with air brakes. None of the above.

is required on vehicles with air brakes.

An Anti-lock Braking System (ABS): keeps your wheels from locking up when you brake hard. lets you drive faster. increases your normal braking capability. always shortens your stopping distance

keeps your wheels from locking up when you brake hard.

On engine start, you should: check the oil level. check that the master cylinder is securely attached and not leaking. check for minimum tread depth. make sure the oil pressure gauge is working

make sure the oil pressure gauge is working.

When crossing railroad tracks, you should: put the transmission in Neutral. shift gears while crossing the tracks. try to pass slower vehicles. not stop

not stop.

When making a turn, you should cancel your turn signal: once you have begun the turn. once more than half of your vehicle is round the turn. once you have completed the turn. once the rear end of your cab has cleared the turn

once you have completed the turn.

Your total stopping distance consists of __________ plus reaction distance plus braking distance. passing distance following distance perception distance partial stopping distance

perception distance

If you are feeling drowsy behind the wheel, the only safe cure is to: open your windows, allowing fresh air inside your vehicle. drink energy drinks. drink a cup of coffee. pull off the road and get some sleep.

pull off the road and get some sleep.

When making a left turn at an intersection, you should: start your turn before reaching the center of the intersection. always use your horn. always take the left turn lane if there are two turning lanes. reach the center of the intersection before you start the left turn

reach the center of the intersection before you start the left turn.

After starting the engine the coolant temperature should: slowly decrease. rise gradually. hold steady. rise quickly.

rise gradually.

The posted speed limit: may only be exceeded when driving in rural areas. is only a suggestion. should never be exceeded. should only be exceeded when passing other vehicles.

should never be exceeded.

When using your turn signals, you should: turn the signal off before you turn. signal only if vehicles are behind you. signal well before you turn. signal only if vehicles are in front of you

signal well before you turn.

If you must drive through a deep puddle you should: apply the brakes until your speed reaches 40 mph. speed up to get through the puddle as quickly as possible. start slowly and Speed up smoothly and gradually so the vehicle does not jerk. slow down and place transmission in a low gear.

slow down and place transmission in a low gear.

If you are driving toward a traffic light that's been green for a long time, you should: increase your speed to get through the intersection before the traffic light changes to red. start slowing down and be ready to stop. brake as quickly as possible. maintain your current speed.

start slowing down and be ready to stop.

If a car suddenly cuts in front of you, creating a hazard, you should NOT: signal and change lanes to avoid the car, if possible. stay close behind the car and honk your horn. slow down to prevent a crash. All of the above

stay close behind the car and honk your horn.

Your driver license doesn't have the hazardous materials endorsement. You can drive a vehicle that carries hazardous materials if: one of your passengers has the hazardous materials endorsement. you are transporting hazardous materials for less than 50 miles. the vehicle does not require placards. All of the above

the vehicle does not require placards.

Axle weight is: the weight transmitted to the ground by one axle or one set of axles. the weight of all the axles added together. the maximum safe weight your tires can carry at a specified pressure. the value specified by the manufacturer as the loaded weight of one axle.

the weight transmitted to the ground by one axle or one set of axles.

Older trailers do not have spring brakes. If the air supply leaks away: the trailer will stop normally. the ABS won't work properly. there will be no emergency brakes. All of the above

there will be no emergency brakes.

When backing you should: not use a helper. use driver-side backing. back and turn toward the right side. avoid making pull-ups to reposition your vehicle.

use driver-side backing.

In newer vehicles with air brakes, you put on the parking brake: moving the orange push-pull lever to the right. placing the transmission in Park. using a P-shaped, yellow control knob. using a diamond-shaped, yellow, push-pull control knob

using a diamond-shaped, yellow, push-pull control knob.

When you see a hazard that will require slowing down, you should: alert the drivers behind by pointing and sounding your horn. speed up to pass the obstacle as quickly as possible. warn the drivers behind by flashing your brake lights. immediately come to a compolete stop

warn the drivers behind by flashing your brake lights.

You are more at risk of being fatigued: when driving during the day. when stopping periodically during long trips. after getting more than 8 hours of sleep. when driving alone.

when driving alone.

A high center of gravity means: the spring brakes will come fully on. a rollover is less likely. you are more likely to tip over. you'll have better traction

you are more likely to tip over.

When conducting a pre-trip inspection: the vehicle inspection report should not be reviewed unless your supervisor tells you to do so. you should review the last vehicle inspection report. the inspection report should only be reviewed if you will be carrying passengers. None of the above

you should review the last vehicle inspection report.

On a level surface: wheel chocks should not be used when the brakes are very hot. you should use wheel chocks to hold the vehicle. wheel chocks make it easier for the vehicle to roll. should never be used if the brakes are very wet.

you should use wheel chocks to hold the vehicle.