What should be clean with no dirt, illegal stickers, obstructions or damages to the glass?
a) Windshield and mirrors
b) Lighting indicators
c) Headlights
d) None of the above
Answer: a) Windshield and mirrors
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Pre-Trip Inspection
- What should be fully engaged with no loose or missing pins in the slide mechanism of the sliding fifth wheel?
- You are making sure that hoses and lines are not cut, chafed, spliced, or worn, and not tangled, pinched, or dragged against tractor parts. What are you inspecting?
- What is the container (hoses) for the mechanism that transforms steering column action into wheel action?
- What are the brackets, bolts, or bushings that are used to attach the spring and / or air bag to the axle and vehicle frame?
- If the container is not part of the pressurized system, to check the coolant level,
- What structure supporting the fifth wheel skid plate should be checked for cracks or breaks?
- Which gauge indicates the alternator or generator is charging?
- You are looking for puddles on the ground and dripping fluids on the underside of the engine and transmission. What are you checking for?
- What releases the fifth wheel locking jaws so the trailer can be coupled? (You should make sure that it is in the engage position and the safety latch is in place.)
- Gas or hydraulic devices that cushion the vehicle ride and stabilize the vehicle and should be secure without leaks are called
- Which tires should have a minimum tread depth of 4/32 of an inch?
- What maintains air pressure in the air brake system?
- Which gauge indicates increasing or normal lubrication pressure to prevent engine failure, seizure or breakdown?
- What should you check to be sure it is solid, clear of objects, and securely bolted to the tractor frame?
- You pump the pedal three times and hold it down for five seconds, making sure that the pedal does not move. What are you inspecting?
- If worn, what can cause excessive heat buildup from a reduced ability to absorb and dissipate heat, possibly leading to loss of brake response?
- What is the sliding mechanism and locking device for tandem axles on trailers?
- The angle between the push rod and adjuster arm should be a little over 90 degrees when the brakes are released and not less than 90 degrees when the brakes are applied. This refers to the
- When checking the dipstick to see that the lubrication level is within the safe operating range, you are checking what?
- What, if loose or missing, may cause movement between the frame and fifth wheel assembly?
- What should not be bent, damaged, or rusted through and should be evenly centered with the dual wheels and tires evenly separated?
- Which of the following disengages the engine from the drive train so the vehicle won't move and reduces the load on the starter motor?
- To improve visibility during severe or stormy weather, what must be secure, undamaged, and operating smoothly and correctly?
- What should you make sure is secure and not leaking and its cap(s) are tight?
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.