When brazing a 4-way reversing valve, heat absorbing paste should be placed around the body of the valve to minimize the chance of internal damage to the valve.
Answer the following statement true (T) or false (F)
True
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The idea that all tax measures should start in the House was made to appease
A. the least populated states. B. western states. C. eastern states. D. the industrialists. E. the larger states with the most people.
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Pressure switch circuits are ____ type switches.
A. transducer B. simple on-off C. sensor D. actuator
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Before checking a system's operating superheat, the technician should first check:
A) The condenser subcooling. B) The evaporator airflow. C) The compressor contactor. D) The outdoor wet-bulb temperature.
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Which of the following types of compressors is NOT normally used on liquid chillers?
A) Scroll B) Rotary C) Reciprocating D) Screw
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