Class E driver Georgia practice exam test

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 Oil pressure-CORRECT ANSWER-5-20 psi Operating 35-75psi 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 ANSWERWithin 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 ANSWERPerception distance average time is 1 3/4 seconds at 55mph it's 142feet Distance continued to travel before you physically hit brakes-CORRECT ANSWERReaction 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