Kansas CDL — General Knowledge Practice Test 7

1.On the manual's drinks chart, how many drinks can bring a 100-pound person to a BAC of about .04?
OneSevenFiveThree
2.During the forward offset tracking exercise, may you stop, back up, or get out to look?
Yes, you may stop once to lookYes, with one free pull-upYou may back up once but not get outNo — and if you stop, the exercise is ended
3.Besides the workers themselves, what makes a work zone hazardous?
A lack of any signsHigher posted speed limitsWider lanes that invite passingNarrower lanes, sharp turns, uneven surfaces, and distracted drivers
4.Why must a trailer's landing gear be fully raised with its crank handle secured before travel?
So the trailer's spring brakes can release fullyIt matters only when the trailer is parked emptySo the trailer rides lower and steadier at highway speedSo it can't strike the ground or the power unit, and the handle can't hit traffic
5.A CDL holder was convicted years ago of a CMV alcohol offense. Now the same driver is convicted of an alcohol violation in a personal car. What happens to the CDL?
It is lost for lifeA one-year disqualification onlyA 60-day disqualificationNothing, because the new offense was in a personal car
6.Your truck has air-over-hydraulic brakes. Which knowledge test does that require you to take?
No extra test, because the system is partly hydraulicThe tank vehicle testThe air brakes testThe combination vehicles test
7.What is the danger of driving too close to a sharp pavement drop-off at the road edge?
The vehicle can tilt so its top hits roadside objects, and steering can be hardThe drop-off will lower your trailer heightThe tires will hydroplaneThe ABS will shut off
8.How does an antilock braking system keep the wheels from locking?
Sensors detect a wheel about to lock, and an electronic control unit reduces brake pressureIt shifts the transmission into neutralIt adds extra air to the brakesIt turns off the engine during hard stops
9.When you park a large vehicle, how should you try to position it?
So you can pull forward when you leaveNose-in against a wallAcross two spaces at an angleSo you must back out to leave
10.Why are people working on or near the roadway a hazard clue?
They never step into the roadThey always direct traffic into one laneTheir work distracts other drivers, and the workers may not see youThey are required to wave you through