Which of the following refrigerant piping techniques help to get oil to flow up a riser in a suction line?
a. Selecting a line size that results in a very low velocity.
b. Selecting a line size that is one or two sizes larger than the rest of the line.
c. Installing a trap at the bottom of the riser.
d. Installing a liquid-to-suction heat exchanger.
c
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An engine stalls during tight parking maneuvers. Which is the most likely cause?
A. Defective throttle position sensor B. Defective MAP sensor C. Defective power steering switch D. Defective mass air-flow sensor
Why are many capacitive proximity detectors being used to replace mechanical limit switches?
What will be an ideal response?
Which glass type is heat-modified glass (also called heat-treated glass) and what is the purpose of heat treating glass?
What will be an ideal response?
When a diode is forward biased, the resistance is ____.
A. zero B. high C. low D. negative