Systems with fixed-restriction metering devices are critical to charge because:
A) The large liquid receivers hold so much refrigerant.
B) The expansion device cannot adjust to changing conditions.
C) They can only be charged one time.
D) You must weight both the system and the refrigerant.
B
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Calculate the true power in a 2A series RL circuit with a 100? resistor.
a. 50W b. 200W c. 400W d. 600W
John F. Kennedy's strategy of flexible response
A. was an updated version of John Foster Dulles's doctrine of massive retaliation. B. was used in his battle with the leadership of the steel industry. C. called for a variety of military options that could be matched to the scope and importance of a crisis. D. required increased spending on a variety of nuclear weapons systems to be deployed around the world. E. cut back nuclear weapons in favor of guerrilla forces.
The electrical terminals used for airbag systems are unique because they are plated with which of these metals?
A) Silver plated B) Gold plated C) Tin plated heavy-gauge steel D) Solid copper
What is the inductive reactance of a 0.2 mH inductor operating at 1 kHz?
A) 126 k? B) 1.26 k? C) 1.26 ? D) 126 ?