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Exam- CDL combination vehicles Questions with Complete Solutions Rated A+
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Exam- CDL combination vehicles Questions with Complete Solutions Rated A+
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Exam- CDL combination vehicles Questions withComplete Solutions Rated A+
HOW CAN YOU TEST THE TRAILER EMERGENCY BRAKES? Correct Answer-Place the tractor
emergency valve in the emergency position, try to nudge the vehicle forward.
COMBINATION VEHICLES ARE USUALLY HEAVIER, LONGER, AND REQUIRE MORE DRIVING
SKILL THAN SINGLE COMMERCIAL VEHICLES. Correct Answer-True
WHAT TYPE OF TRAILERS CAN GET STUCK ON RAILROAD-HIGHWAY CROSSINGS? Correct
Answer-Low slung units and single-axle tractor pulling a long trailer with its landing gear set
to accommodate a tandem-axle tractor.
THE AIR LEAKAGE RATE FOR A COMBINATION VEHICLE (ENGINE OFF, BRAKES OFF) SHOULD BE
NO MORE THAN ____ PSI PER MINUTE. Correct Answer-3
AIR LINES ON A COMBINATION VEHICLE ARE OFTEN COLORED TO KEEP THEM FROM GETTING
MIXED UP. THE EMERGENCY LINE IS ____; THE SERVICE LINE IS ____. Correct Answer-Red,
Blue
, Exam- CDL combination vehicles Questions with
Complete Solutions Rated A+
THERE ARE TWO THINGS THAT A DRIVER CAN DO TO PREVENT A ROLLOVER. THEY ARE "GO
SLOW AROUND CORNERS" AND _____. Correct Answer-Keep the weight of your cargo as
close to the ground as possible.
YOU ARE DRIVING A SEMI AND THE TRAILER BREAKS AWAY, PULLING APART THE AIR LINES.
YOU EXPECT THE TRAILER BRAKES TO COME ON AND ____ . Correct Answer-The tractor
brakes to keep working.
WHY SHOULD YOU NOT USE THE TRAILER HAND VALVE WHILE DRIVING? Correct Answer-
Because of the danger of making the trailer skid.
WHAT MIGHT HAPPEN IF THE TRAILER IS TOO HIGH WHEN YOU TRY TO COUPLE? Correct
Answer-The trailer may not couple correctly.
WHAT PART OF THE KINGPIN SHOULD THE LOCKING JAWS CLOSE AROUND? Correct
Answer-The shank.
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