Vermont CDL — General Knowledge: Signals & Pavement Markings Practice Test

Question 1

Which converter dollies does the manual say must have an ABS malfunction lamp on the left side?

Accepted Answer

Those made March 1, 1998, or later — The lamp requirement covers dollies made on March 1, 1998, or later.

Answer

Every dolly, whatever its age

Answer

Those made March 1, 1997, or later

Answer

Those made March 1, 1999, or later

Question 2

On a truck with emissions after-treatment equipment, besides the fluid level in the DEF tank, what does the inspection test have you check on the dash?

Accepted Answer

That the DEF indicator is working properly — The exhaust system item has you confirm the DEF tank level is adequate and also that the DEF indicator on the dash works properly.

Answer

That the cruise control light is on

Answer

That the tachometer reads zero

Answer

That the fuel gauge shows full

Question 3

Step 3 of the seven-step inspection describes how gauges and warning lights should behave once the engine starts. Which statement does NOT match it?

Accepted Answer

The oil and coolant warning lights stay lit for the first several minutes — Oil, coolant, charging circuit and antilock brake warning lights should go out right away. The other three statements match what the manual says about the gauges.

Answer

Oil pressure comes up to normal within seconds

Answer

Air pressure climbs from 50 psi to 90 psi in no more than 3 minutes

Answer

Coolant temperature begins a gradual rise toward the normal range

Question 4

Which of these is NOT part of the manual's guidance on using headlights at night?

Accepted Answer

Flash your high beams at drivers who fail to dim theirs — The manual says not to try to get back at drivers who leave their high beams on, because that adds glare and raises the chance of a crash. The other three are all part of its night-driving advice.

Answer

Go to low beams when an oncoming vehicle is within 500 feet

Answer

Run high beams where doing so is legal and safe

Answer

Have a qualified person adjust headlights that point the wrong way

Question 5

In Step 6 of the seven-step inspection you get out to check the left turn signals. Which other lights are checked on that same trip around the vehicle?

Accepted Answer

Both stop lights — Before getting out you turn on the stop lights and the left turn signal. Outside, you check the left front turn signal, then the left rear turn signal together with both stop lights.

Answer

The backup lights

Answer

The fog lights

Answer

The interior dome light

Question 6

By the walk-around inspection guide, which pairing of light and color is NOT correct?

Accepted Answer

Rear turn signals: white — Rear turn signals may be red, yellow or amber. White is acceptable only on turn signals that face forward, where amber is also acceptable.

Answer

Front clearance and identification lights: amber

Answer

Forward-facing turn signals: amber or white

Answer

Taillights: red

Question 7

In the parallel park exercises, which boundaries marked by cones must your vehicle not cross as it backs into the space?

Accepted Answer

The front, side and rear boundaries — You drive past the entrance, then reverse into the space; the front, side and rear boundaries, all marked by cones, must not be crossed.

Answer

Only the rear boundary

Answer

Only the side nearest the curb

Answer

None; the cones mark only the entrance

Question 8

Which statement about ABS malfunction lamps does NOT match the manual?

Accepted Answer

A lamp that stays lit shows the ABS is working normally — A lamp that stays lit past the bulb check, or lights up while you are driving, signals a possible loss of ABS control at one or more wheels. Regular brakes still work, but the system should be serviced soon.

Answer

On newer vehicles the lamp lights at start-up as a bulb check, then goes out

Answer

On older systems it may stay lit until you pass five mph

Answer

Tractors, trucks and buses carry theirs on the instrument panel

Question 9

Which of these is NOT a time the manual tells you to switch on the four-way emergency flashers?

Accepted Answer

Whenever you change lanes on a multilane road — The manual calls for the flashers once you have pulled off the road and stopped, when you must drive in fog, and when you make a required full stop at a railroad crossing. Lane changes call for the turn signal.

Answer

When you have pulled off the road and stopped

Answer

When you must keep driving in fog

Answer

When you make a required full stop at a railroad crossing

Question 10

On the inspection test's cab check, the oil pressure gauge should show increasing or normal pressure. What alternative does the manual accept?

Accepted Answer

The oil pressure warning light going off — The item is satisfied by oil pressure that is rising or normal on the gauge, or by the oil pressure warning light going off.

Answer

The oil temperature gauge reading zero

Answer

The ammeter needle swinging to discharge

Answer

The low air buzzer sounding

Question 11

During Step 3 of the seven-step inspection, the cab's light controls, from the dimmer switch to the marker switches, are checked for which faults?

Accepted Answer

Looseness, sticking, damage or improper setting — Every control on the list, the light controls among them, is checked for looseness, sticking, damage or an improper setting.

Answer

Brightness, color and beam angle

Answer

Fuse rating and wire gauge

Answer

Lens cracks and moisture

Vermont CDL — General Knowledge: Signals & Pavement Markings practice test

Study questions with answers

1. Which converter dollies does the manual say must have an ABS malfunction lamp on the left side?

2. On a truck with emissions after-treatment equipment, besides the fluid level in the DEF tank, what does the inspection test have you check on the dash?

3. Step 3 of the seven-step inspection describes how gauges and warning lights should behave once the engine starts. Which statement does NOT match it?

4. Which of these is NOT part of the manual's guidance on using headlights at night?

5. In Step 6 of the seven-step inspection you get out to check the left turn signals. Which other lights are checked on that same trip around the vehicle?

6. By the walk-around inspection guide, which pairing of light and color is NOT correct?

7. In the parallel park exercises, which boundaries marked by cones must your vehicle not cross as it backs into the space?

8. Which statement about ABS malfunction lamps does NOT match the manual?

9. Which of these is NOT a time the manual tells you to switch on the four-way emergency flashers?

10. On the inspection test's cab check, the oil pressure gauge should show increasing or normal pressure. What alternative does the manual accept?

11. During Step 3 of the seven-step inspection, the cab's light controls, from the dimmer switch to the marker switches, are checked for which faults?

More CDL — General Knowledge topics

Practice Signals & Pavement Markings in another state