Class E driver Georgia practice exam
test
Modulating valve-CORRECT ANSWER-Control handle on the dashboard that may be
used to apply spring brakes gradually
Some vehicles have a separate air tank can be used to release the-CORRECT
ANSWER-Spring brake
You need at least what tread in the from...
Class E driver Georgia practice exam
test
Modulating valve-CORRECT ANSWER-Control handle on the dashboard that may be
used to apply spring brakes gradually
Some vehicles have a separate air tank can be used to release the-CORRECT
ANSWER-Spring brake
You need at least what tread in the from tires and what thread I. Other tires-CORRECT
ANSWER-4/32inch in front
2/32inch in back
Steering wheel play of what degree can make it hard to steer-CORRECT ANSWER-10
degrees or two inches
If more than one-forth or more leaf springs are leaking-CORRECT ANSWER-It will put
the vehicle out of service
What warning devices for parked vehicles-CORRECT ANSWER-Three reflective
warning triangles, or 6fuses or 3 liquid burning flares
Pressure build in three minutes and governor cutout-CORRECT ANSWER-Pressure
should build from 50psi to 90 psi in 3minutes. Governed cut out at 120-140psi
Safety equipment-CORRECT ANSWER-Spare electrical fuses unless be hicle has
circuit breakers, three red reflective triangles or three red burning flares
Testing for hydraulic leaks-CORRECT ANSWER-Pump the break pedal three times
then apply firm pressure and hold for 5 seconds the pedal should not move if it does
something is wrong
When should drivers inspect trucks and cargo? B-CORRECT ANSWER-They must
inspect the securement of cargo within the first 50 miles of a trip and every 150 miles or
three hours whichever comes first
Road speed-CORRECT ANSWER-Mph
Engine speed-CORRECT ANSWER-Rpm
, Retarders-CORRECT ANSWER-Help slow a vehicle
Four basic types of Retarders-CORRECT ANSWER-Exhaust,engine, hydraulic, and
electric
When should you turn the retarder off?-CORRECT ANSWER-When your drive wheels
have poor traction you should turn off it in icy snowy or wet conditions.
How far should you look ahead-CORRECT ANSWER-About 12-15 seconds at lower
speeds about a block at higher speeds about a quarter mile
When should mirror adjustment take place-CORRECT ANSWER-Before the start of a
trip when the trailers are straight
What are curved mirrors called-CORRECT ANSWER-Fisheye, spot, bugeye
Turns-CORRECT ANSWER-Signal early signal continuously and make sure you turn off
your turn signal after the turn
If you stop on any road you must put out your warning devices-CORRECT ANSWER-
Within ten minutes
Two way street warning placement-CORRECT ANSWER-100ft ahead 10ft back 100 ft
back
One way stree placement-CORRECT ANSWER-10, 100, 200 ft back
From the time your eyes see a hazard until your brain reacts to it-CORRECT ANSWER-
Perception distance average time is 1 3/4 seconds at 55mph it's 142feet
Distance continued to travel before you physically hit brakes-CORRECT ANSWER-
Reaction distance 3/4-1second. At 55mph it's 61 feet average.
Distance your vehicle will travel while braking.-CORRECT ANSWER-Braking distance
55mph can take about 216 feet
Total stopping distance-CORRECT ANSWER-At 55mph your vehicle will have traveled
419 feet
When you double your speed from 20 to 40 mph-CORRECT ANSWER-The impact of
four times greater the braking distance is four times longer
When you triple your speed from 20 to 60 mph-CORRECT ANSWER-The impact and
braking distance is 9 times longer
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