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CDL Quiz 17

1. What is the container (hoses) for the mechanism that transforms steering column action into wheel action?
Suspension
Steering play
Steering linkage
Steering box / hoses

2. What is the sliding mechanism and locking device for tandem axles on trailers?
Landing gear
Suspension system
Frame
Tandem release (arm / locking pin)

3. What structure supporting the fifth wheel skid plate should be checked for cracks or breaks?
Kingpin
Sliding pintle
Platform
Apron

4. 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?
Air brakes
Hydraulic brakes
Parking brake
All of the above

5. What should you make sure is secure and not leaking and its cap(s) are tight?
Air compressor
Water pump
Fuel tank(s)
All of the above

6. You are looking for puddles on the ground and dripping fluids on the underside of the engine and transmission. What are you checking for?
Power steering fluid
Leaks
Oil level
None of the above

7. Which gauge indicates the alternator or generator is charging?
Oil pressure
Ammeter / voltmeter
Temperature
All of the above

8. What should you check to be sure it is solid, clear of objects, and securely bolted to the tractor frame?
Catwalk
Apron
Platform
Kingpin

9. To improve visibility during severe or stormy weather, what must be secure, undamaged, and operating smoothly and correctly?
Lighting indicators
Heater / defroster
Wipers / washers
Mergency equipment

10. When checking the dipstick to see that the lubrication level is within the safe operating range, you are checking what?
Power steering fluid level
Coolant level
Oil level
None of the above

11. What are the brackets, bolts, or bushings that are used to attach the spring and / or air bag to the axle and vehicle frame?
Shock absorbers
Mounting bolts
Spring mounts
Torque

12. 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
Shock absorbers.
Brake chambers.
Brake linings.
Slack adjusters.

13. What maintains air pressure in the air brake system?
Alternator / belt
Water pump / belt
Power steering / belt
Air compressor / belt

14. If worn, what can cause excessive heat buildup from a reduced ability to absorb and dissipate heat, possibly leading to loss of brake response?
Brake hoses / lines
Brake drum / linings
Brake chambers
All of the above

15. What, if loose or missing, may cause movement between the frame and fifth wheel assembly?
Locking pins
Safety latch
Drawbar
Mounting bolts

16. 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.)
Drawbar
Apron
Release arm
Locking pins

17. What transmits power from the transmission to the drive axle?
Air compressor belt
Driveshaft
Power steering belt
Steering play

18. You are looking for puddles on the ground and dripping fluids on the underside of the engine and transmission. What are you checking for?
Oil level
Power steering fluid
Leaks
None of the above

19. What should be fully engaged with no loose or missing pins in the slide mechanism of the sliding fifth wheel?
Gap
Sliding pintle
Locking jaws
Locking pins

20. Which gauge indicates increasing or normal lubrication pressure to prevent engine failure, seizure or breakdown?
Power steering
Ammeter
Temperature
Oil pressure