Which of the following accurately describes caster as it applies to heavy-duty trucks?
A. a directional stability angle
B. front end is set with some positive caster
C. tandem-drive trucks need less positive caster than single drive axle trucks
D. all of the above
Answer: D
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A hot pull down is when ____.
A. there is excess ice on the evaporator B. the condenser contains an excess amount of liquid refrigerant C. the flow of refrigerant to the evaporator is reduced D. the load on the evaporator produces a suction pressure that increases the load on the compressor
A torque divider will make its maximum torque when:
a. the impeller almost stops b. the sun gear stops c. the turbine is about to turn backwards d. the planet carrier is at maximum speed
When driving through the work zone you should:
a. Turn on your parking lights. b. Reduce your speed only if workers are close to the roadway. c. Watch for sharp pavement drop off. d. None of the above.
One terminal of both a normally open switch and normally closed switch are connected together. This forms a common point for both switches and could be used as the common terminal for a flow switch that contains a ____ switch.
A. single-pole double-throw B. single-pole single-throw C. double-pole single-throw D. double-pole double-throw