Name: Score:
47 Multiple choice questions
Term 1 of 47
At what PSI do spring brakes fully engage?
10-30 Psi
0-10 Psi
50-70 Psi
20-45 PSI
Term 2 of 47
What is your following distance if you're traveling at 55 mph with a 30 foot vehicle?
2 seconds
6 seconds
3 seconds
4 seconds
Term 3 of 47
How far ahead should you look while driving (time and distance)?
15-20 seconds, 1/2 mile
12-15 seconds, 1/4 mile
5-10 seconds, 1/8 mile
1-2 seconds, 100 feet
,Term 4 of 47
Driving on snow increases gas consumption by how much?
Around 50%
Down to 5%
No significant change
Up to 20%
Term 5 of 47
What is the average reaction time?
2-3 seconds
1/2 - 3/4 second
3/4 - 1 second
1-2 seconds
Term 6 of 47
How long does it take a typical tractor-trailer to clear a double railroad track? Single track?
4 seconds
45 seconds
60 minutes
At least 15 seconds
14 seconds
, Term 7 of 47
What should the oil pressure be while the truck is OPERATING?
10-30 Psi
0-10 Psi
75-100 Psi
35-75 PSI
Term 8 of 47
What do retarders do?
Help slow the vehicle. Can cause skidding if the drive wheels have poor traction. If the
roads are wet, icy, or snowy then tirn off the retarders
Braking as hard as you can without locking the wheels
Go 5mph then push the brake pedal firmly. If it pulls to one side or delays, there's an issue.
Pump the brakes 3 times, then hold for 5 seconds. If the brake pedal loosens or leaks then
something is wrong
Term 9 of 47
At what PSI does the governor cutoff engage?
80-100 Psi
100-120 Psi
150-160 Psi
120-140 PSI
47 Multiple choice questions
Term 1 of 47
At what PSI do spring brakes fully engage?
10-30 Psi
0-10 Psi
50-70 Psi
20-45 PSI
Term 2 of 47
What is your following distance if you're traveling at 55 mph with a 30 foot vehicle?
2 seconds
6 seconds
3 seconds
4 seconds
Term 3 of 47
How far ahead should you look while driving (time and distance)?
15-20 seconds, 1/2 mile
12-15 seconds, 1/4 mile
5-10 seconds, 1/8 mile
1-2 seconds, 100 feet
,Term 4 of 47
Driving on snow increases gas consumption by how much?
Around 50%
Down to 5%
No significant change
Up to 20%
Term 5 of 47
What is the average reaction time?
2-3 seconds
1/2 - 3/4 second
3/4 - 1 second
1-2 seconds
Term 6 of 47
How long does it take a typical tractor-trailer to clear a double railroad track? Single track?
4 seconds
45 seconds
60 minutes
At least 15 seconds
14 seconds
, Term 7 of 47
What should the oil pressure be while the truck is OPERATING?
10-30 Psi
0-10 Psi
75-100 Psi
35-75 PSI
Term 8 of 47
What do retarders do?
Help slow the vehicle. Can cause skidding if the drive wheels have poor traction. If the
roads are wet, icy, or snowy then tirn off the retarders
Braking as hard as you can without locking the wheels
Go 5mph then push the brake pedal firmly. If it pulls to one side or delays, there's an issue.
Pump the brakes 3 times, then hold for 5 seconds. If the brake pedal loosens or leaks then
something is wrong
Term 9 of 47
At what PSI does the governor cutoff engage?
80-100 Psi
100-120 Psi
150-160 Psi
120-140 PSI
