answers from the Illinois CDL Commercial Driver's License
Study Guide) Questions With Complete Solutions
1 (EXPLOSIVES), 2.1 (FLAMMABLE GAS), 3
(FLAMMABLE LIQUIDS). Correct Answers Which three
hazard classes should not be loaded into a trailer that has a
heater/air conditioner unit?
1 SECOND FOR EACH 10 FEET OF VEHICLE GOING 40
MPH AND UNDER. ADD 1 SECOND IF GOING OVER 40
MPH. Correct Answers How do you find out how many
seconds of following distance space you have?
1 TIE DOWN FOR EACH 10 FEET OF CARGO. Correct
Answers What is the minimum number of tie-downs for any flat
bed load?
10 FEET, 100 FEET, 200 FEET TOWARD THE
APPROACHING TRAFFIC. Correct Answers Where should
your reflectors be placed when stopped on a divided highway?
12-15 SECONDS Correct Answers How far ahead does the
manual say you should look?
15 SECONDS Correct Answers How long does it take for a
typical tractor-trailer unit to clear a double track?
2 Correct Answers What is the minimum number of tie-downs
for a 20-foot load?
,3 Correct Answers How many red reflective triangles should
you carry?
3 POUNDS IN 1 MINUTES (SINGLE VEHICLE) 4 POUNDS
IN 1 MINUTE (COMBINATION VEHICLE) Correct Answers
What are the maximum leakage rates?
300 FEET Correct Answers How close can you park to a
bridge, tunnel or building with the same load?
4 SECONDS Correct Answers If you are driving a 30-foot
vehicle at 55 mph, how many seconds of following distance
should you allow?
5 FEET Correct Answers How close to the traveled part of the
roadway can you park with Division 1.2 or 1.3 materials?
A FIRE EXTINGUISHER WITH A UL RATING OF 10 B:C
OR MORE. Correct Answers What type of fire extinguisher
must placarded vehicles carry?
A GUIDEBOOK FOR FIREFIGHTERS, POLICE, AND
INDUSTRY WORKERS ON HOW TO PROTECT
THEMSELVES AND THE PUBLIC FROM HAZARDOUS
MATERIALS. AND A GUIDEBOOK FOR TRUCK
DRIVERS, DOCK WORKERS, AND SHIPPERS ON HOW
TO PROTECT THEMSELVES AND THE PUBLIC FROM
HAZARDOUS MATERIALS. Correct Answers What is the
Emergency Response Guide (ERG)?
, A THIN LAYER THAT IS CLEAR ENOUGH YOU CAN SEE
THE ROAD UNDERNEATH. Correct Answers What is "black
ice"?
AFTER ACCIDENTS, TIRES, ELECTRICAL SYSTEMS,
CARGO. Correct Answers Name some causes of vehicle fires.
AFTER YOU HAVE DRIVEN FOR 3 HOURS AND EVERY
BREAK YOU TAKE. Correct Answers How often must you
stop while on the road to check your cargo?
AFTER YOU HAVE ENOUGH AIR PRESSURE, SHUT OFF
THE ENGINE. TURN ELECTRICAL POWER ON AND STEP
ON AND OFF THE BRAKE PEDAL TO REDUCE AIR
TANK PRESSURE. THE WARNING SIGNAL MUST COME
ON BEFORE THE PRESSURE DROPS TO LESS THAN 60
PSI IN THE AIR TANK. Correct Answers How can you test
the low pressure warning signal?
AGGRESSIVE DRIVING IS SELFISH OR BOLD OR
PUSHY. ROAD RAGE IS AN INTENT OF DOING HARM
TO OTHERS OR PHYSICALLY ASSAULTING A DRIVER
OR THEIR VEHICLE. Correct Answers What is the difference
between aggressive driving and road rage?
AN APPROVED PLACE FOR PARKING UNATTENDED
VEHICLES LOADED WITH EXPLOSIVES. Correct Answers
What is a safe haven?
ANY ROAD CONDITION OR ROAD USER THAT IS A
POSSIBLE DANGER. Correct Answers What is a hazard?