Making sure the fifth wheel is coated with a winter-grade lubricant will prevent binding and _____ on icy or wet, slippery roads.
A. prevent the wheels from locking
B. assist with steering
C. help remove moisture from the air system
D. prevent carbon monoxide from leaking into the rig
Answer: B
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Explain the difference between a Positive Temperature Coefficient (PTC) thermistor and a Negative Temperature Coefficient (NTC) thermistor.
What will be an ideal response?
A normal reading when testing for electrolysis in the coolant is ________
A) Less than 300 mV B) At least .5 V C) 5 V or more D) More than .5 V
Name some pollutants that require lab testing for positive identification
What will be an ideal response?
Technician A says that most hydraulic circuits use positive displacement pumps. Technician B says that pressure only results in a hydraulic circuit when some resistance to flow is provided. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B