List types of modulating metering devices?
What will be an ideal response?
Low side float, high side float, automatic expansion valve, thermostatic expansion valve, electronically controlled step motor valve
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Describe the result of a small gear driving a large gear.
What will be an ideal response?
Explain why a run-of -the-river (ROR) is considered more environmentally friendly than a traditional hydroelectric dam with a large reservoir
What will be an ideal response?
The speed of an AC induction motor is determined by:
A) The number of turns in the motor winding. B) The number of poles and the frequency of the alternating current. C) The voltage applied to the armature. D) The voltage of the field windings.
How many flip-flops are needed to make a counter that counts from 0 to 23?
A) 24 B) 5 C) 23 D) 1