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HI CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST

41. If you smell exhaust fumes in the cab, you should:
open the windows.
remember to conduct a post-trip inspection.
stop immediately.
42. When driving on packed snow, you should reduce speed by:
a half.
10%.
one-third.
43. When using a turn signal, which of the following is NOT true?
You should cancel the signal before completing the turn.
You should turn off your turn signal after you've turned.
You should signal early.
44. During a pre-trip inspection, to check your lights you should:
turn off the engine, turn on the headlights and 4-way emergency flashers, and get out of the vehicle.
check the yellow malfunction lamps on the instrument panel.
with the engine running, put the vehicle in a forward gear and turn on the headlights.
45. Vehicle inspections:
are required once a month.
are required by state and federal law.
should only be performed by a certified mechanic.
46. When you have to back, use a helper whenever possible. Before you begin backing, work out a set of hand signals that you both understand. It is especially important to agree on a signal for:
"Go"
"Stop"
"Get closer"
47. If you've been drinking alcohol, only ____ will sober you up.
time
a cold shower
black coffee
48. Stab braking:
involves applying the brakes all the way, and releasing them when wheels lock up.
should never be used.
involves applying the brakes as hard as you can without locking the wheels.
49. When faced with an emergency, drivers should:
come to a stop if it is safe to do so.
drive away as quickly as possible.
immediately drive to the nearest police station.
50. During the vehicle inspection, when checking the tires you should:
ensure that valve caps are missing.
ensure that the tread is evenly worn.
check for the minimum tread depth (4/32 on all tires).
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