Exam (elaborations)
Class E driver Georgia Exam/81 Complete Q’s and A’s
Class E driver Georgia Exam/81 Complete Q’s and A’s
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Class E driver Georgia Exam/81 CompleteQ’s and A’s
Modulating valve - -Control handle on the dashboard that may be used to
apply spring brakes gradually
-Some vehicles have a separate air tank that can be used to release the - -
Spring brake
-You need at least what tread on the front tires and what thread on the rear
tires - -4/32inch in front
2/32inch in rear
-Steering wheel play of what degree can make it hard to steer - -10 degrees
or two inches
-If more than one-forth or more leaf springs are leaking - -It will put the
vehicle out of service
-What warning devices for parked vehicles - -Three reflective warning
triangles, or 6 fuses or 3 liquid burning flares
-What should the Pressure build in three minutes and when does the
governor cutout - -Pressure should build from 50psi to 90 psi in 3minutes.
Governor cut out at 120-140psi
-Safety equipment - -Spare electrical fuses unless vehicle has circuit
breakers, three red reflective triangles or three red burning flares
-Proper idle and operating Oil pressure - -5-20 psi
Operating 35-75psi
-Testing for hydraulic leaks - -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 - -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 - -Mph
-Engine speed - -Rpm
, -Retarders - -Help slow a vehicle
-Four basic types of Retarders - -Exhaust,engine, hydraulic, and electric
-When should you turn the retarder off? - -When your drive wheels have
poor traction you should turn off it in icy snowy or wet conditions.
-How far should you look ahead - -About 12-15 seconds at lower speeds
about a block at higher speeds about a quarter mile
-When should mirror adjustment take place - -Before the start of a trip when
the trailers are straight
-What are curved mirrors called - -Fisheye, spot, bugeye
-Turns - -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 - -Within
ten minutes
-Two way street warning placement - -100ft ahead 10ft back 100 ft back
-One way stree placement - -10, 100, 200 ft back
-From the time your eyes see a hazard until your brain reacts to it - -
Perception distance average time is 1 3/4 seconds at 55mph it's 142feet
-Distance continued to travel before you physically hit brakes - -Reaction
distance 3/4-1second. At 55mph it's 61 feet average.
-Distance your vehicle will travel while braking. - -Braking distance 55mph
can take about 216 feet
-Total stopping distance - -At 55mph your vehicle will have traveled 419
feet
-When you double your speed from 20 to 40 mph - -The impact of four
times greater the braking distance is four times longer
-When you triple your speed from 20 to 60 mph - -The impact and braking
distance is 9 times longer
-Increase speed to 80 mph - -The impact and braking distance is 16 times
greater than 20 mph
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