Hawaii CDL — General Knowledge Practice Test 6

41.Why should a bus driver make starts and stops as smooth as possible?

To keep the fare box from jammingTo protect the brake-door interlockTo avoid injuring riders, who can stumble when the bus starts or stopsBecause buses cannot use engine braking

42.The manual says to back as slowly as possible in the lowest reverse gear. What two advantages does it give?

It keeps the engine cool and saves fuelYou can correct steering errors more easily and stop quickly if you need toIt lets you skip checking the mirrorsIt makes the backup alarm louder

43.Compared with a dry road, what can a wet road do to your stopping distance?

Leave it about the same if your tires have good treadShorten it, because water cools the brakesDouble itAdd only a few feet, even at highway speed

44.According to the manual, how do impact and braking distance at 80 mph compare with those at 20 mph?

They are 4 times greaterThey are 8 times greaterThey are 9 times greaterThey are 16 times greater

45.A shipper's crew loaded your trailer and strapped everything down before you arrived. Who is responsible for recognizing an overload and knowing the cargo is properly secured?

Only the shipperYou are, whether or not you loaded it yourselfOnly the motor carrier's dispatcherNo one, once the doors are sealed

46.Some urban transit buses have a brake and accelerator interlock that works when the rear door is open. What does the manual say about using it to hold a stopped bus?

Use it instead of the parking brake at every stopUse it only on hills steeper than 5 percentDo not use it in place of the parking brakeSwitch it off before carrying passengers

47.A converter dolly was built in 2005, so it must have an ABS malfunction lamp. Where is that lamp?

On the right rear corner of the dollyOn the left side of the dollyOnly on the tractor's instrument panelUnder the dolly, next to the electronic control unit

48.Your brakes have failed on a long downgrade, and a sign announces an escape ramp ahead. What does the manual say about using it?

Use it only if the truck is empty, because loaded trucks damage the rampPass it and keep looking for a level side road insteadUse it only after trying the parking brake for at least a mileUse it; skipping an available ramp may greatly raise your chance of a serious crash

49.During a Hawaii practical test, an applicant refuses to follow the examiner's instructions. What follows?

The applicant gets a warning and continuesOnly that maneuver is scored as failedThe applicant may restart the test the same afternoonThe test is cancelled, and there is a mandatory minimum wait of one week before a new one

50.You have no choice but to keep driving in fog. Why does the manual tell you to turn on your four-way flashers?

Because flashers cut through fog better than headlights and light the road aheadTo tell oncoming drivers that you plan to stopSo drivers coming up behind you have a better chance of noticing your vehicle soonerBecause flashers are required whenever the headlights are on