New Jersey CDL — General Knowledge Practice Test 4

1.At an unmarked crossing where vehicles required to stop have no painted stop line, how far from the nearest rail must they stop?
Between 15 and 50 feet from the nearest railExactly on the rail itselfAt least 100 feet from the railWithin 5 feet of the rail
2.Pavement painted with a large 'X', the letters 'RR', and a no-passing line carries what meaning?
A lane set aside only for trucksA designated commercial rest areaA section of road closed for repairsA railroad crossing is coming up, the same as the advance warning sign
3.How does the loss period change if an alcohol offense occurs while operating a CMV placarded for hazardous materials?
It stays at one yearIt rises to at least three yearsIt drops to six monthsIt becomes a lifetime ban immediately
4.Why should you never remove a radiator cap or open the pressurized cooling system while the engine is hot?
Steam and boiling water can spray out and burn youThe cap could crack from the heatIt will void the engine warrantyIt always drains all the coolant instantly
5.When you complete a right turn that is too tight to stay in one lane, how should you position the rear of your vehicle?
Swing the rear far from the curb for clearanceKeep the rear close to the curb to block passing on the rightStop the rear in the middle of the intersectionAngle the rear toward oncoming traffic
6.A hazardous materials endorsement requires which additional step beyond passing the written test?
A TSA background check with fingerprintingA road test in a tank vehicleA separate vision examTen years of hazmat experience
7.What is the result of having any measurable alcohol under .04% in your system while operating a CMV?
Nothing happens below .04%You are placed out of service for 24 hoursYou lose your CDL for one yearYou receive only a written warning
8.How much play in the steering wheel is a sign of a possible steering-system problem?
Any play at all is dangerousMore than 45 degrees of playMore than 10 degrees, about 2 inches at the rimHalf a turn of the wheel
9.A round warning sign showing a black symbol on a yellow field placed some distance before a rail crossing is telling a commercial driver to do what?
Come to a complete stop no matter what, then continueEase off the throttle, watch and listen for a train, then halt at the rails if one is nearingSound the horn twice and keep moving at road speedShift into a higher gear before reaching the rails
10.At a crossing with gates and flashing lights, when may you proceed across the tracks?
As soon as the first train has passedWhile the gate is still loweringOnce the gates rise and the lights stop flashing, when it is safeWhen the bell first begins to ring