CDL GENERAL KNOWLEDGE TEST (INDIANA) - PRACTICE TEST

41. When a vehicle is hydroplaning:
the clutch is stuck.
the tires lose their contact with the road.
your brakes won't work.
the spray from large trucks reduces visibility.
42. To prevent fatigue during long trips you should:
rely on caffeine.
take frequent breaks.
take a cold shower.
All of the above.
43. To maintain alertness while driving, you should:
rely on caffeine.
take periodic breaks – about every 250 miles.
keep the cab warm.
protect yourself from glare with sunglasses.
44. Escape ramps:
cannot be used by certain types of heavy vehicles.
should not be used unless you have already tried all other possible ways to save your vehicle after brake failure.
are designed to stop runaway vehicles safely.
All of the above.
45. What three things add up to total stopping distance?
Reaction distance + braking distance
Perception distance, reaction distance and braking distance
Reaction distance + viewing distance + braking distance
Braking distance + stopping distance
46. Skids happen whenever:
tires lose their grip on the road.
ABS is not working.
the weight limit is exceeded.
dual tires come in contact with each other.
47. When you double your speed from 20 to 40 mph, the braking distance:
is 4 times longer.
stays about the same.
doubles.
increases slightly.
48. When approaching a vehicle as part of a pre-trip inspection, the driver should look under the vehicle for all of the following except:
Coolant
Windshield wiper fluid
Fresh oil
Grease
49. Before starting down a hill, you should slow down and shift down:
to a gear that will cause your brakes to overheat.
to a gear that will cause your engine to exceed its redline.
so you can coast downhill.
to a speed that you can control without using the brakes hard.
50. For safety during a trip, you should:
use your senses to check for problems.
watch gauges for signs of trouble.
check critical items when you stop.
All of the above.
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