cdl practice test questions and answers with verified solutions
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Course
CDL Permit
Institution
CDL Permit
cdl practice test questions and answers with verified solutions
A railroad crossing is ahead of you and you are hauling hazardous material. When you stop for the crossing, you can stop as far away as ____ feet from the nearest rail. 50
Who is responsible for safely transporting a hazardous materi...
cdl practice test questions and answers with verif
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cdl practice test questions and answers
with verified solutions
A railroad crossing is ahead of you and you are hauling hazardous material. When you stop for
the crossing, you can stop as far away as ____ feet from the nearest rail. ✔✔50
Who is responsible for safely transporting a hazardous material shipment without delay and
keeping the shipping papers in the right place? ✔✔the driver
You find an overheated tire during an enroute inspection. If you are hauling hazardous materials,
you must: ✔✔Remove the tire and place it a safe distance from the vehicle.
The intent of hazardous materials regulations is to ensure safety, to contain the material, and:
✔✔to communicate the risk
The total transport index of all radioactive material packages in a single vehicle must not exceed
____. ✔✔50
You are going to be hauling hazardous materials over a route you do not know well. When
should you check the route and get the permits needed for the trip: ✔✔before starting the trip
,Which three hazard classes should not be loaded into a trailer that has a heater / air conditioner
unit. ✔✔flammable liquids
flammable gas
explosives
What is the only exception to certification by a shipper? ✔✔Correct When the shipper is a
private carrier of his own product.
A truck carrying explosives has crashed with another vehicle. You should not pull them apart
until. ✔✔correct The explosives have been placed at least 200 feet away from the vehicles and
occupied buildings.
When handling packages of explosives, you must: ✔✔Correct Never use hooks or other metal
tools
When driving with more than one trailer, which trailer should be the first one behind the tractor?
✔✔correct Answer: The heaviest trailer
, You are driving a 100 foot twin trailer combination at 50 mph. The road is dry and the visibility
is good. You should keep at least ____ seconds of space ahead of you. ✔✔Correct Answer: 11
With the hand valve on, you should test the trailer brakes by opening the service line valve at the
rear of the rig. When you do this, you should hear: ✔✔Correct Answer: Air escape from the
open valve
You are driving with double trailers and must use your brakes to avoid a crash. For emergency
braking you should: ✔✔Correct Answer: Use controlled or stab braking
Converter dollies: ✔✔Correct Answer: Often do not have spring brakes
The crack the whip effect that troubles trucks with trailers. Which is most likely to tip over:
✔✔Correct Answer: The rear trailer of a triple
You are doing a walk around inspection of a double or triple trailer rig. You should be sure the
converter dolly air tank drain valves are ____ and the pintle hook is ____. ✔✔closed, latched
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