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general knowledge Flashcards

1
Q

your tire blew out going down a straight highway at 50 mph what should you do?

A

stay of the brake until the vehicle has slowed down

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2
Q

you are driving a new truck with a manual transmission. what gear will you have to use to take a long, steep downhill grade?

A

a lower gear than the one you used to climb the hill

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3
Q

what should you check on tires during a pre-trip inspection?

A
  • no mismatched tires

- no rust on the lug nuts

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4
Q

if a straight vehicle(no trailer) goes into a front wheel spin it will….

A

go straight ahead even if the steering wheel is turned

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5
Q

if you leave the road in a traffic emergency you should….

A

avoid braking until your speed has dropped below 20mph

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6
Q

what is good fact to remember about unstable loads?

A

unstable loads like hanging meat and livestock can require extra caution on curves

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7
Q

according to your drivers manual why should you limit the use of your horn?

A

it can startle other drivers

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8
Q

you do not have a hazardous material endorsement on your commercial drivers license. what do you do when asked to deliver hazardous material in a placard vehicle?

A

refuse the load

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9
Q

what should you do when you are to tired to drive?

A

sleep because it is the only thing that will help with fatigue

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10
Q

your vehicle has hydraulic brakes. while traveling on a level road you press the brake pedal and find that it goes down to floor. what should you do?

A

pump the brake pedal, it might bring pressure up so you can stop the vehicle

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11
Q

you are driving at 55 mph on dry pavement. about how much total stopping distance will you need to bring the vehicle to a full stop

A

the length of a football field

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12
Q

what type of windshield whipper fluid should you use during the winter?

A

the one with antifreeze so it wont freeze

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13
Q

when driving at night you should….

A

adjust your speed to keep your stopping distance within your sight distance

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14
Q

you are entering a curb where you will have to downshift. when should you do so?

A

before entering the curb

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15
Q

for your safety, when setting out reflective triangles you should….

A

hold the triangles between yourself and the traffic

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16
Q

as the blood alcohol level goes up what happens?

A

judgment and self control are affected

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17
Q

what is a good thing to remember when using mirrors?

A

there a blind spots which your mirrors cant show

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18
Q

when is hydro planning most likely to happen?

A

if your tire pressure is low

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19
Q

if you are being tailgated you should….

A

increase your following distance

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20
Q

a key principle to remember about loading cargo is to keep the load…..

A

balanced in the cargo area

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21
Q

how far should the driver look ahead of the vehicle while driving?

A

12-15 seconds

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22
Q

how do you correct a real wheel acceleration skid?

A

stop accelerating

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23
Q

the purpose of the retarder is to

A

help slow the vehicle down while driving and reduce brake wear

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24
Q

what is controlled braking used for?

A

to keep the vehicle in a straight line when driving

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25
Q

what is good fact to remember when steering to avoid a crash?

A

don’t turn anymore than what is needed to clear what is in your way

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26
Q

you should stop driving whenever….

A

you become sleepy

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27
Q

you should avoid driving through deep puddle and flowing water but if you must what should you do?

A

gently step on the brakes when crossing

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28
Q

what is good fact to remember when entering or crossing traffic?

A

heavy vehicles need larger gaps in traffic than cars need

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29
Q

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. what should do when taking back off?

A

use the parking brake to hold the vehicle until the clutch engages

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30
Q

you are driving a heavy vehicle and are exiting a highway using an off-ramp that curves downhill you should….

A

slow down to get to a safe speed before the curve

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31
Q

where do you place your reflective triangle markers when parked on the side of a level, straight, four lane divided highway?

A

at 10, 100 and 200 feet away from the rear of the vehicle

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32
Q

you are driving on a 2 lane road when an oncoming driver drifts into your lane. what should you do?

A

steer to the right

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33
Q

brake fade….

A

is caused when brakes get to hot

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34
Q

what should you never do when your engine over heats?

A

remove the radiator cap. wait till it cools

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35
Q

what should you consider when going under a bridge

A

the height and weight of your vehicle. the weight also affects the height of your vehicle

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36
Q

what should you use to put out a burning tire?

A

cool water

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37
Q

when should you start turning when taking a left into a two way lane, two way street?

A

when you are half way through the intersection

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38
Q

what should you do when driving on a slippery road?

A

slow down gradually

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39
Q

what is good fact to remember when accelerating?

A

rough acceleration causes mechanical damage

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40
Q

what is good fact to remember when braking?

A

the heavier the vehicle or the faster it is moving the more heat the brakes have to absorb to stop it

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41
Q

when roads are slippery, you should…..

A

make turns as gently as possible

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42
Q

what is good fact to remember when doing pre trip inspections?

A

cracked drums should be replaced

one missing leaf spring can be dangerous

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43
Q

what is good fact to remember when passing a vehicle?

A

assume the other drivers do not see you?

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44
Q

how far should you look ahead when driving at normal highway speeds?

A

1/4 of a mile

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45
Q

you are starting your vehicle from a stop. You apply power to the drive wheels and they start to spin what should you do?

A

take your foot off the accelerator

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46
Q

what is good fact to remember when driving in hot weather?

A

inspect tires every 100 miles or 2 hours because the air pressure in the tires rise with the increase in temperature

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47
Q

what is good fact to remember when you are about to collide with another vehicle?

A

you can turn to miss an obstacle quicker than you can stop

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48
Q

to help you stay alert when driving you should….

A

take short breaks before you get drowsy

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49
Q

to avoid a crash you had to drive into the right shoulder. you are now driving at 40mph on the shoulder. How do you make your way back on to the road?

A

if the shoulder is clear stay on the right until your vehicle come to a complete stop than move back into the road when it is safe to do so

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50
Q

when should you really be worried about the wind?

A

when exiting a tunnel

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51
Q

what is a good fact to remember when driving at night?

A

keep your speed slow enough that you can stop within the range of the headlights

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52
Q

you are driving a 40ft vehicle at 35 mph the road is dry and visibility is good. What is the least amount of space you should keep in front of your vehicle to be safe?

A

4 seconds

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53
Q

what is the proper way to hold the steering wheel?

A

both hand on opposite side of the wheel

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54
Q

high beams should be used when….

A

it is safe and legal to do so

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55
Q

what does it mean when you see a vehicle with a red triangle and an open orange center?

A

it is a slow moving vehicle

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56
Q

what should you do when the roads become slippery because of black ice?

A

stop driving as soon as it is safe to do so

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57
Q

though the speed limit is 55 mph traffic is driving at 35 mph. what is a safe speed you should be driving at?

A

35mph

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58
Q

what is counter steering?

A

turning the wheel back in the other direction after steering to avoid an accident

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59
Q

whats a good fact to remember when backing up a heavy vehicle?

A

plan ahead of time and remember your blind spots

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60
Q

how should you use a brake pedal on a steep downhill grade?

A

light steady pressure

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61
Q

when turning when should you turn on your signal?

A

before

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62
Q

what is good fact to remember when double clutching and shifting?

A

you can use the tachometer to tell you when to turn

63
Q

what is good fact to remember for speed management

A

choose a speed that lets you stop within the distance that you can see ahead

64
Q

retarders….

A

can cause the wheels to skid when they have poor traction

65
Q

to correct a drive wheel braking skid you should….

A

stop braking, turn quickly, then countersteer

66
Q

when exiting or entering a curved freeway ramp, you should….

A

maintain a speed that is 5-10mph below then the posted limit

67
Q

what vehicle would take the longest to stop?

A

bobtail tractor

68
Q

how many red reflective triangles do you need to carry

A

3

69
Q

you are required to check your truck within how many miles after beginning a trip?

A

25 miles

70
Q

where should the keys be during your pre trip inspection

A

in your pockets

71
Q

if your cargo is loaded at the end of the trailer what might it result in?

A

poor traction in the drive wheels

72
Q

communication means….

A

to talk on the cb radio

73
Q

if you are convicted of driving under the influence while driving a commercial vehicle how long will your CDL be suspended?

A

at least 1 year

74
Q

if you are stopped somewhere in your truck and you have a high BAC level what will happen?

A

your truck will be decommissioned for at least 24 hours

75
Q

what is good fact to remember about speed management

A

if your double your speed it will take you 4 times as long to stop

76
Q

what should you do if your brakes get to hot and fail?

A
  • downshift and pump brake pedal

- look for escape ramp or route

77
Q

the center gravity of a load…..

A

can make a vehicle more likely to tip over on curves if load is stacked high

78
Q

to prevent load from shifting the should be tie downs for every…..

A

10 feet of cargo

79
Q

while driving ice builds up on your wiper and they no longer clean the windshield. what should you do?

A

stop safely and fix the problem

80
Q

when the hydraulic brakes fail while you are driving the system will not build up pressure and the brakes pedal will feel spongy or go to the floor. What should you do?

A

pump the brake pedal to generate pressure

81
Q

what may be a sign of tire failure?

A

wheels skidding

82
Q

to prevent brake fade you should….

A

select the gear which will keep your vehicle at a safe speed on a deep downgrade

83
Q

a full stop is required at rail road stopping when…..

A

the nature of the cargo makes a stop mandatory under the state or federal regulations

84
Q

when driving at night when you should you turn of your low beams if there is traffic coming your way?

A

within 500 feet

85
Q

when driving through the work zone you should…

A

watch for sharp pavement drop offs

86
Q

backing up a commericial vehicle is….

A

always dangerous

87
Q

when you are parked at the side of the road at night what should be the first thing you do?

A

turn on your 4 way blinkers

88
Q

stab braking should not be used in vehicles with….

A

antilock brakes

89
Q

you have to make an emergency stop at a hill or curve where should you place your orange triangles?

A

with 500 feet of the back of your truck but around the corner or hill

90
Q

what is good fact to remember when you need to leave the road to avoid a hazard or for an emergency?

A

it is less dangerous to drive onto the shoulder then be in an accident

91
Q

characteristic of front tire failure

A

cold steering

steering wheel twisting

92
Q

most skids…

A

are caused by going to fast and stopping to quickly

93
Q

in bad weather many car drivers tailgate large vehicles. what should you do?

A

increase your following distance

94
Q

what system should receive extra attention during winter weather?

A

the exhaust system

95
Q

what happens to tar on the road pavement during hot weather?

A

it bleeds making the road surface slippery

96
Q

what is the best advice for drivers when a heavy fog occurs?

A

park the vehicle until the fog disappears

97
Q

In mountain driving you will have to use a lower gear to drive safely on a grade. what does not affect the gear choice?

A

tire tread depth

98
Q

what should you do before driving into the mountains?

A

know escape ramp locations on your way

99
Q

escape ramps….

A

should be used by any driver who looses braking power

100
Q

what is good fact to remember when notifying authorities after an accident?

A

if you have a cellphone or cb radio you should notify the authorities before exiting the vehicle

101
Q

if you are not sure what to use to put out the hazardous material fire you should….

A

wait for firefighters

102
Q

Dangers of rough acceleration…

A

mechanical damage

damage of the couplings

103
Q

what lights cannot be checked at the same time?

A

turn signals
brake lights
four way flashers

104
Q

you are inspecting hydraulic brakes. you should pump the brakes pedal 3 time then apply pressure to the pedal for 5 seconds. if the brakes are working properly the pedal should…..

A

not move

105
Q

when starting a bus on a level surface with good traction there is often no need for….

A

parking brakes

106
Q

how does the weight affect its stopping distance?

A

empty trucks take longer to stop than if loaded, but this is not normally true for busses

107
Q

when you are starting to move up a hill from a stop you should……

A

release the parking brakes as you apply engine power

108
Q

what is a good fact to remember about the heater?

A

when driving in cold weather you should check the heater is working properly before starting your trip

109
Q

why is a damaged exhaust dangerous?

A

poisonous fumes can enter the cab

110
Q

what is a danger when an automatic transmission is forced into a low gear at high speed?

A

damage to the transmission

a loss of steering control

111
Q

perception distance is the distance your vehicle travels from the time….

A

the eyes see the hazard to the time the brain knows that is a hazard

112
Q

extra care in needed to make sure that your vehicle is in your lane because commercial vehicles…..

A

are often wider than other vehicles

113
Q

you should lightly apply your brakes to flash the brake lights if….

A

you are about to exit and need to slow down

114
Q

merging to the road is safest if you…..

A

wait for a large enough gap in the traffic to enter the road

115
Q

what should you not do if your headlights are not working properly?

A

leave on your high beams

116
Q

what are good facts to remember when backing up your vehicle?

A

you should back and turn towards the drivers side whenever it is possible
you should use a helper and communicate with him using hand signals

117
Q

when driving at a low speed how far ahead of you should you look?

A

1 block

118
Q

what does emergency braking mean?

A

responding to a hazard by slowing down the vehicle

119
Q

when driving in cold weather your tire tread should….

A

provide enough touch into steer and push the vehicle through the snow

120
Q

convex curved mirrors make….

A

show a wider area than flat mirrors

121
Q

why is it important to shift gears correctly…

A

to keep control of the vehicle

122
Q

what three distances build up the total stopping distance of your truck or bus?

A

perception distance
reaction distance
braking distance

123
Q

what should you not do when making a left hand turn?

A

start at the inside lane and swing right as you turn

124
Q

when you are passing a vehicle pedestrian or bicycle you should assume that….

A

they may move in to your traffic lane

125
Q

in your mirror you see a car approaching from the rear the next time you check your mirror you dont see the car. if you wish to change lanes what should you do?

A

wait until you are sure that no one is there to change lanes

126
Q

how should you change lanes in a commercial vehicle?

A

signal early and change lanes slowly

127
Q

what is a good fact to remember about cabs that tilt

A

if you are going to tilt the cab make sure to secure loose objects

128
Q

can state inspectors inspect your vehicle?

A

yes and they can put you out of service

129
Q

who dictates the legal weight limit?

A

the state

130
Q

implied consent means….

A

you are giving consent to be tested for alcohol

131
Q

when is the engine brake effect greater?

A

when engine is near governed RPM and the transmission is on a lower gear

132
Q

how long will it take a 40 foot vehicle to stop when its going 55mph on dry conditions?

A

5 seconds

133
Q

if you must stop into the oncoming lane as you make a turn you should…

A

watch for oncoming traffic

134
Q

what should the tread depth of the front tires be?

A

not less than 4/32

135
Q

how many leafs springs have to be broken for your vehicle to be put out of business?

A

1/4

136
Q

how big of a crack are you allowed to have on brake drums or disc brakes?

A

1/2 the width of the friction area

137
Q

what type of rig has more of a chance to off track while making a turn?

A

tractor with 45 ft trailer

138
Q

how much space in front of you in needed while driving on a highway?

A

1 second for every 10 feet of your vehicle length

139
Q

a car suddenly cuts in front of you creating a hazards what should you do?

A

honk your horn and stay close behind the car

140
Q

what should you do when you see a hazard in the roadway ahead of you?

A

flash your flashers or brake lights to warn others

141
Q

if your brakes fail on downgrade you must first….

A

look outside your vehicle for another means of slowing you down

142
Q

should brake adjustment be checked often?

A

yes because they can get unadjusted if they are used frequently

143
Q

when driving on snow packed snow how much should you reduce your speed by?

A

half

144
Q

the bridge formula…

A

permits less maximum axle weight for the axles that are close together

145
Q

when should a helper be used?

A

when you are backing up your truck

146
Q

what keeps engine cool during hot weather?

A

Enough oil in the engine

147
Q

turn signals should be used….

A

at least 100 feet before changing lanes

148
Q

when going down a long steep downgrade you should always…..

A

use the braking effect of the engine

149
Q

what is not a type of retarder?

A

robotic

150
Q

where should axel mounts be inspected?

A

each point they are secured on the vehicle frame and axels

151
Q

if you do not have a CB radio or cell phone what should you do in case of an emergency?

A

secure the area

152
Q

when should the service brakes be checked?

A

when the vehicle is stopped

153
Q

where should you keep the papers for a hazardous load?

A

pouch on the side of the driver door

154
Q

where should you keep the papers for a hazardous load?

A

pouch on the side of the driver door

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