New Hampshire CDL — General Knowledge Practice Test 4

1.Which of these is on the manual's list of serious driving errors caused by alcohol?
Signaling too earlyBraking too gentlyChecking mirrors too oftenRunning over the curb
2.Besides giving you a poor view, what does the manual say headlights that point the wrong way can do?
Drain the batteriesBlind other driversOverheat the lensesSwitch off automatically
3.On the Vehicle Inspection test you look over an item silently, without naming it or explaining what you are checking for. What is the result?
Full credit, as long as the item was in good orderHalf creditThe test ends at onceNo credit for that item
4.You have pulled off the road and stopped. What does the manual tell you to turn on?
The high beamsThe four-way emergency flashersThe interior dome lightThe left turn signal
5.Why does the inspection guide have you look for damage to a trailer's landing gear supports?
A damaged support may let the trailer tip or fall over when it is disconnectedDamaged supports wear out the trailer tiresDamaged supports drain the trailer's air tanksDamaged supports make the fifth wheel harder to grease
6.Which statement matches the manual's guidance on how many tie-downs cargo should have?
One tie-down is enough for any load under ten feetOne for every twenty feet, with a minimum of oneOne for every ten feet of cargo, and never fewer than twoFour on every load, whatever its length
7.For the hydraulic brake check on the inspection test, where does the manual say the transmission should be placed?
In parkIn a low forward gearIn reverseIn the highest gear
8.By the manual's figures, how far does a vehicle going 55 mph travel during the average perception time of an alert driver?
61 feet142 feet216 feet419 feet
9.What is the purpose of the safety arm on the front of a school bus?
It holds the entry door openIt makes students cross well away from the front of the bus, in the driver's viewIt keeps other vehicles from parking in front of the busIt signals traffic behind the bus to stop
10.Which wheels does a retarder's braking power act on?
All wheels equallyThe drive wheels onlyThe steering wheels onlyThe trailer wheels only