When is the O terminal energized on most low-voltage thermostats?
A) Whenever the thermostat calls for cooling
B) Whenever the system switch is moved to "Heat"
C) Whenever the thermostat calls for first stage heat
D) Whenever the system switch is moved to "Cool"
D
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a. servo b. port plate c. drive shaft d. angled swash plate
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Which of the following conditions would be more likely to cause harsh upshifts in an Allison hydromechanical transmission?
A. mechanical modulator out of adjustment B. downshift points set high C. retarder cycling D. engine rated speed set low
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How do autotransformer starters reduce the amount of in-rush current?
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