New Jersey CDL — General Knowledge Practice Test 10

1.After you leave the travel lane and park at night, what should you be certain to switch on?
The four-way emergency flashersOnly the interior dome lightThe high-beam headlightsNothing, to save the battery
2.Why should you not assume the clearance height posted at a bridge or overpass is accurate?
The signs are only estimates by lawRe-paving or packed snow may have lowered the real clearancePosted heights are always too lowClearance heights change with the weather forecast
3.What does federal rule allow regarding a hand-held mobile phone while driving a commercial vehicle?
Holding the phone is fine if the call is shortOnly a hands-free phone within reach may be usedAny phone use is allowed on the highwayDialing is permitted at speeds under 30 mph
4.When you park, how should you position the vehicle to make leaving safer?
So you must back out when you leaveSo you can pull forward when you leaveAt an angle blocking two spacesFacing away from any exit
5.When approaching a curve, what is the correct way to handle your speed and gear?
Brake hard while turning through the curveSpeed up as you enter to stay stableShift to neutral and coast around itSlow down and downshift before entering the curve
6.May you obtain a 'hardship' license to drive a CMV if your personal vehicle license is suspended?
No, a hardship CDL is not allowed in that caseYes, hardship CDLs are always availableYes, but only for local routesYes, with employer approval
7.When backing a commercial vehicle, toward which side should you back and turn whenever possible?
Toward the passenger sideToward the driver's sideStraight back only, never turningWhichever side has more traffic
8.Which factors determine a person's blood alcohol concentration?
Only the type of alcoholic drinkOnly the time of day it was consumedOnly how much food was eatenThe amount, the drinking speed, and body weight
9.During a walk-around inspection, why should you check the leaf springs on the suspension?
Missing one-fourth or more of the leaves puts it out of serviceMissing leaves improve the ride qualitySprings never affect safetyOnly the color of the springs matters
10.In a cargo fire inside a van or box trailer, why should you keep the doors shut?
To keep the smoke inside for laterThe doors are only decorativeOpening them supplies oxygen and makes the fire burn fasterOpening them puts the fire out instantly