Utah CDL — General Knowledge Practice Test 5

1.When applying for a commercial driving job, how many years of prior driving jobs must you disclose?
The past 3 yearsThe past 5 yearsYour entire careerThe past 10 years
2.When you approach a stopped emergency vehicle on the roadside under a move-over law, what should you do?
Keep your speed and stay in the near laneStop completely in your laneSlow down and move over a lane if it is safeSpeed up to clear the area faster
3.When there is not enough room to stop before an obstacle, what is usually the quicker way to avoid it?
Steer around itBrake as hard as possibleAccelerate through itShift to a lower gear
4.How must a commercial driver be secured at all times while the vehicle is in operation?
Belted only on the highwayProperly restrained by a safety beltBelted only when carrying cargoRestrained only above 40 mph
5.Which mental function does alcohol impair first as blood alcohol concentration rises?
Muscle strengthJudgment and self-controlLong-term memorySense of smell
6.How much alcohol can the liver process in one hour?
About two ouncesExactly one full drink and a halfIt depends only on body weightAbout one-third of an ounce
7.If two turning lanes are available for a left turn, which one should a large vehicle use?
The left-hand turning laneThe right-hand turning laneWhichever is emptierStraddle both lanes
8.On a divided highway, where do you place the three warning triangles behind a stopped vehicle?
At 5, 50, and 100 feetAt 10, 100, and 200 feet toward approaching trafficAll three within 10 feet of the bumperAt 25, 250, and 500 feet
9.Compared with a loaded cargo van, how does an empty one's height compare?
The empty van is higherThe empty van is lowerThey are exactly the same heightHeight depends only on tire pressure
10.Going twice as fast, from 20 up to 40 mph, roughly multiplies your braking distance by how much?
About twice as longAbout six times as longAbout the sameAbout four times as long