If a motor is switched from maximum to minimum displacement, this would result:
a. the motor would produce more speed and less torque
b. the motor would produce more torque and less speed
c. the motor would return oil to the pump outlet
d. the motor's shaft would reverse directions
A
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There are a variety of screw shields and plugs made of plastic, fiber, rubber, nylon, and lead.
Answer the following statement true (T) or false (F)
A professional driver should be able to estimate all of the following EXCEPT:
A. time in any construction zones B. fuel requirements C. personal financial needs D. road conditions and weather
Use the accompanying figure to compute angle R to the nearest minute. Angle A = 31o and angle B = 34o.
A. 40o18' B. 41o42' C. 46o12' D. 48o18'
One technique for improving efficiency and comfort through compressor selection is to select a:
A) Compressor with 25% greater capacity than the maximum anticipated refrigeration load. B) Compressor with capacity control to match the compressor capacity with the refrigeration load. C) Compressor that is designed for a colder evaporator temperature to achieve lower evaporator pressure and increased efficiency. D) Compressor with a capacity equal to the minimum anticipated refrigeration load.