COMBINATION Flashcards
WHAT IS THE NORMAL RANGE AT WHICH THE TRAILER AIR SUPPLY KNOB WILL POP OUT?
20-45 PSI
WHICH OF THE FOLLOWING COULD HAPPEN IF YOU TRY TO COUPLE WHEN THE TRAILER IS TOO HIGH?
IT MAY NOT COUPLE CORRECTLY
WHAT IS THE PROPER FOLLOWING DISTANCE TIME FOR A 90 FOOT VEHICLE GOING 50 MPH?
FORMULA: 1 SEC/10 FEET OF VEHICLE + 1 SEC OVER 40 MPH*
10 SECONDS
WHICH OF THE FOLLOWING IS THE DEFINITION OF “OFFTRACKING”?
HOW REAR WHEELS FOLLOW A DIFFERENT TRACK THAN FRONT WHEELS IN A TURN
WHAT DOES THE TRAILER AIR SUPPLY CONTROL DO?
BY PUSHING IT IN, YOU SUPPLY THE TRAILER WITH AIR
THE TWO THINGS MOST IMPORTANT FOR PREVENTING A ROLLOVER WHEN DRIVING A COMBINATION VEHICLE ARE:
KEEPING CARGO NEAR THE GROUND AND DRIVING SLOWLY AROUND TURNS
WHICH OF THE FOLLOWING IS NOT PART OF INSPECTING THE FIFTH WHEEL?
MAKING SURE THE CRANK HANDLE IS BOTH IN PLACE AND SAFELY SECURE
WHERE WOULD YOU FIND THE SHUT OFF VALVES?
IN THE REAR OF THE TRAILER
WHAT IS THE POINT OF NOT USING THE TRAILER HAND VALVE WHILE DRIVING?
YOU WILL MAKE THE TRAILER SKID
WHICH OF THE FOLLOWING MAKES A ROLLOVER MORE LIKELY?
DRIVING QUICKLY AROUND TURNS
WHAT WILL HAPPEN IF AIR DOESN’T FLOW ALL THE WAY TO THE BACK?
YOUR BRAKES WILL NOT WORK PROPERLY
SHOULD YOU APPLY YOUR HAND BRAKE IN ORDER TO STRAIGHTEN OUT A JACK-KNIFING TRAILER?
NO, BECAUSE THE TRAILER WHEELS’ BRAKES ARE WHAT CAUSED THE PROBLEM TO BEGIN WITH
WHICH OF THE FOLLOWING IS NOT PART OF TESTING THE TRAILER SERVICE BRAKES?
PUSHING THE TRAILER AIR SUPPLY CONTROL IN THE EMERGENCY POSITION
WHICH OF THE FOLLOWING SHOULD YOU DO IF YOU WANT TO BACK INTO A CURVED PATH ON YOUR DRIVER’S SIDE?
- USE MIRRORS ON BOTH SIDES.
- CHECK PATH CAREFULLY, BY GETTING OUT AND WALKING AROUND.
- DRIVE SLOWLY WHILE YOU ARE BACKING.
WHICH OF THE FOLLOWING CONTROLS AIR IN THE SERVICE LINE?
BOTH THE HAND AND FOOT BRAKE
HOW MUCH MORE LIKELY IS THE FINAL TRAILER OF A TRIPLE TO ROLLOVER, VERSUS A REGULAR FIVE AXLE TRACTOR TRAILER
3.5 TIMES
WHICH OF THE FOLLOWING IS NOT A PART OF INSPECTING THE FIFTH WHEEL?
CHECKING THE AREA AROUND THE VEHICLE
WHICH SIDE OF THE VEHICLE SHOULD BACK TOWARDS IF YOU MUST BACK ALONG A CROOKED PATH ?
DRIVERS SIDE
THE PURPOSE OF USING CHOCKS WHEN PARKING A VEHICLE THAT DOES NOT POSSESS SPRING BRAKES IS:
TO KEEP THE TRAILER FROM MOVING
WHICH OF THE FOLLOWING IS NOT A LOCATION WHERE YOU SHOULD DRIVE SLOWLY TO AVOID A ROLLOVER?
STRAIGHT HIGHWAY LANE
WHICH OF THE FOLLOWING OFFTRACKS THE MOST ?
THE REAR MOST TRAILER
WHICH OF THE FOLLOWING IS A TYPE OF VEHICLE THAT MOST OFTEN GETS STUCK ON RAILROAD CROSSINGS?
- LOW SLUNG UNIT, LIKE A CAR CARRIER
- LOW SLUNG UNIT, LIKE A MOVING VAN
- A TRACTOR WITH A SINGLE AXLE, PULLING A LONG TRAILER WHILE ITS LANDING GEAR IS SET FOR A TANDEM-AXLE TRACTOR
WHICH OF THE FOLLOWING IS NOT PART OF RAISING YOUR LANDING GEAR?
USING THE HIGH RANGE GEAR, IF YOU HAVE IT, BEGIN THE PROCESS OF RAISING THE LANDING GEAR
WHICH OF THE FOLLOWING IS MOST LIKELY TO ROLLOVER?
THE REAR TRAILER OF THE TRIPLE
WHICH OF THE FOLLOWING IS NOT A PURPOSE OF THE EMERGENCY AIR LINE?
TO SUPPLY AIR TO RELAY VALVES THAT HELP THE FOOT BRAKE TO OPERATE MORE QUICKLY
