What is the purpose of the metering device?
What will be an ideal response?
It reduces the boiling point of the refrigerant far enough below the temperature of the load to get the required heat transfer rate.
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Answer the following statement(s) true (T) or false (F)
The band saw cuts with a revolving strip of metal that has teeth.
Which computer component generates a steady stream of one-bit long voltage pulses?
A) Central processing unit B) Capacitor C) Volatile memory D) Clock generator
The tolerance of the keyset width is .125 plus .002 minus .000. It is a ________ tolerance:
A) 0.002 inch "absolute" B) unidirectional C) unilateral D) bilateral
An air conditioner with a thermostatic expansion valve is operating with a condenser saturation temperature of 110°F and a liquid-line temperature of 85°F. The factory-specified subcooling for the current operating condition is 10°F. After checking the condenser coil and airflow, the technician should:
A) Add charge because the system is undercharged. B) Leave the charge alone because it is cooling even better than factory specifications. C) Move some of the charge from the low side of the system to the high side of the system to balance the charge. D) Recover charge because the system is overcharged.