2026 District Of Columbia DMV Knowledge Test Class B Test 2 (50 Questions And Complete Answers)
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Which of the following statements is correct?
1. Rims with a missing lug nut are acceptable if there are at least four other lug nuts on the rim.
2. A cracked lock ring is acceptable if the vehicle is being driven at speeds under 55 mph.
3. A missing clamp is dangerous and should be corrected.
4. Welded repairs are acceptable for wheels on rear axles.
1. Rims with a missing lug nut are acceptable if there are at least four other lug nuts on the rim.
2. A cracked lock ring is acceptable if the vehicle is being driven at speeds under 55 mph.
3. A missing clamp is dangerous and should be corrected.
4. Welded repairs are acceptable for wheels on rear axles.
A missing clamp is dangerous and should be corrected.
Convex mirrors:
1. Cannot be used on vehicles transporting hazardous materials.
2. Can replace flat mirrors.
3. Can be helpful to see a wider area.
4. Are illegal to be used in most states.
1. Cannot be used on vehicles transporting hazardous materials.
2. Can replace flat mirrors.
3. Can be helpful to see a wider area.
4. Are illegal to be used in most states.
Can be helpful to see a wider area.
In a vehicle with dual parking control valves, once air pressure is lost and the spring brakes come on:
1. You will be unable to move the vehicle.
2. A separate air tank can be used to release the spring brakes for a short period of time.
3. You can use the spring brakes to continue driving normally.
4. The air tanks will automatically refill to a safe air pressure level.
1. You will be unable to move the vehicle.
2. A separate air tank can be used to release the spring brakes for a short period of time.
3. You can use the spring brakes to continue driving normally.
4. The air tanks will automatically refill to a safe air pressure level.
A separate air tank can be used to release the spring brakes for a short period of time.
Your vehicle's final position should be:
1. Exactly where the examiner has instructed it to be.
2. Within five feet of the final position described by the examiner.
3. Wherever you can safely park.
4. Within two feet of the final position described by the examiner.
1. Exactly where the examiner has instructed it to be.
2. Within five feet of the final position described by the examiner.
3. Wherever you can safely park.
4. Within two feet of the final position described by the examiner.
Exactly where the examiner has instructed it to be.
Cargo inside a trailer:
1. Does not need to be secured.
2. Should be stacked no taller than three feet high.
3. Should be secured to prevent movement in transit.
4. Should be loaded with the heaviest items on top of lighter items.
1. Does not need to be secured.
2. Should be stacked no taller than three feet high.
3. Should be secured to prevent movement in transit.
4. Should be loaded with the heaviest items on top of lighter items.
Should be secured to prevent movement in transit.
If you’re feeling tired before a drive, you should:
1. Drink coffee.
2. Take caffeine pills.
3. Not drive.
4. Drive as fast as possible so you get to the destination quickly.
1. Drink coffee.
2. Take caffeine pills.
3. Not drive.
4. Drive as fast as possible so you get to the destination quickly.
Not drive.
Most heavy vehicles require ____ to change gears.
1. Double clutching
2. Double shifting
3. Triple clutching
4. Triple shifting
1. Double clutching
2. Double shifting
3. Triple clutching
4. Triple shifting
Double clutching
After an accident, flares should be used with caution because:
1. There may be spilled fuel on the ground that could ignite.
2. Other drivers may not see the flares.
3. Flares are expensive.
4. Other drivers may get confused about what is happening.
1. There may be spilled fuel on the ground that could ignite.
2. Other drivers may not see the flares.
3. Flares are expensive.
4. Other drivers may get confused about what is happening.
There may be spilled fuel on the ground that could ignite.
When steering to avoid a crash, you should:
1. Only use one hand to steer.
2. Keep both hands on the steering wheel.
3. Not use your mirrors to check other lanes.
4. Speed up as you get nearer to the hazard.
1. Only use one hand to steer.
2. Keep both hands on the steering wheel.
3. Not use your mirrors to check other lanes.
4. Speed up as you get nearer to the hazard.
Keep both hands on the steering wheel.
Why do you need to drain air tanks regularly?
1. Because the air gets old and needs to be replaced
2. Because compressed air contains some water which must be drained from the tanks
3. To allow for a change in air pressure
4. To remove bad air from the tanks
1. Because the air gets old and needs to be replaced
2. Because compressed air contains some water which must be drained from the tanks
3. To allow for a change in air pressure
4. To remove bad air from the tanks
Because compressed air contains some water which must be drained from the tanks
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