There should be a ____ test point at the inlet and outlet of any water heat exchanger, chiller, or condenser.
A. temperature
B. pressure
C. vapor
D. moisture
Answer: B
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What should be done before pump maintenance is performed?
A. Pump shutdown B. Zero energy state C. Supervisor notification D. All personnel clear the area
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What is the breed of cattle that ranks first in average milk production per cow?
a. Jersey c. Guernsey b. Holstein d. Brown Swiss
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On a negative-going pulse, the leading edge is the ________
A) rising edge B) negative-going edge C) positive-going edge D) LOW-to-HIGH transition
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Throttling valves are used for capacity control on a _____
a. scroll compressor b. reciprocating compressor c. centrifugal compressor d. screw compressor
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