Why is a “Y” valve used on a high pressure oil system on a compressor rack?
A. To reduce the oil pressure from high discharge pressure to crankcase pressure.
B. To increase oil pressure from crankcase pressure to discharge pressure.
C. To distribute oil equally to all compressors on a compressor rack.
A. To reduce the oil pressure from high discharge pressure to crankcase pressure.
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Shifting cultivation is:
A) practiced by individual land owners. B) movement of cultivated fields around a permanent home. C) the use of different tilling methods to prepare soil. D) annual rotation of crops grown in the same field.
Employees should be involved in the implementation, monitoring, and follow-up to the safety program.
The small gear in a parallel shaft reducer is normally called:
A. The driven. B. The worm. C. The pinion. D. The reductor.
Mechanical brakes can be obtained in two basic types: drum and ____________________.
Fill in the blank(s) with the appropriate word(s).