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31
Which of these is good thing to remember when crossing or entering traffic with a heavy vehicle?
Heavy vehicles need larger gaps in traffic than cars. ✓ CORRECT
The best way to cross the traffic is to pull the vehicle partway across the road and block one lane while waiting for the other to clear
Because heavy vehicles are easy to see, you can count on other drivers to move out of your way or slow down for you.
32
You are driving a heavy vehicle with a manual transmission. You have to stop the vehicle on the shoulder while driving on an uphill grade. Which of these is a good rule to follow when putting it back in motion up the grade?
Keep the clutch slipping while slowly accelerating.
Use the parking brake to hold the vehicle until the clutch engages. ✓ CORRECT
Let the vehicle roll backwards a few feet before you engage the clutch, but turn the wheel so that the back moves away from the roadway.
33
You are driving a heavy vehicle. You must exit a highway using an off-ramp that curves downhill. You should:
Slow down to a safe speed before the curve. ✓ CORRECT
Slow to the posted speed limit for the off-ramp.
Wait until you are in the curve before downshifting.
34
You must park on a side of a level, straight, four-lane divided highway. Where should you place the reflective triangles?
One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear. ✓ CORRECT
One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 100 feet to the front of the vehicle
One within 10 feet of the front of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear.
35
You are driving on a two-lane road. An oncoming driver drifts into your lane and is headed straight for you. Which of these is most often the best action to take?
Hard braking.
Steer to the right. ✓ CORRECT
Steer onto the left shoulder.
36
Brake "fade":
Can be caused by the brakes getting very hot. ✓ CORRECT
Can be corrected by letting up on the brakes for 1-2 seconds and then reapplying them.
Is a problem that only occurs with drum brakes.
37
Which of these statements about engine overheating is true?
You should never shut off an overheated engine until it cools.
You should never remove the radiator cap on a pressurized system until the system is cooled. ✓ CORRECT
Antifreeze is not needed when the weather is warm.
38
Which of these statements about overhead clearance is true?
You should assume posted clearance signs are correct.
The weight of a vehicle changes its height. ✓ CORRECT
If the road surface causes your vehicle to tilt toward objects at the edge of the road, you should drive close to the shoulder.
39
Which of these statements about vehicle fire is true?
If cargo in a van or box trailer catches on fire, you should open the cargo door as soon as possible.
If your engine is on fire, you should open the hood as soon as you can.
A burning tire should be cooled with water. ✓ CORRECT
40
Which of these statements about vehicle fire is true?
If cargo in a van or box trailer catches on fire, you should open the cargo door as soon as possible.
If your engine is on fire, you should open the hood as soon as you can.
A burning tire should be cooled with water. ✓ CORRECT