When a system pumps down, where is the refrigerant stored?
A. receiver
B. evaporator
C. condenser
D. both a and c
Answer: D
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Sketch a block diagram of the communication system that makes up an instant message with a friend. Sketch a similar diagram for the example of the piano.
What will be an ideal response?
Which of the following is NOT a typical component of an RFID system?
A. tags B. APs C. antennas D. readers
Ferrets have been used to pull cables through hard-to-reach places during construction
Indicate whether the statement is true or false
Function Block Diagram (FBD) ________
A) Uses blocks that are linked together to form a final circuit B) Is used for logic operations involving only Boolean variables, text-based language C) Is used most often for sequential control problems D) Has the ability to evaluate complex mathematical expressions