Author Question: Automatic expansion valves are good at maintaining a constant: A) Temperature. B) Viscosity. C) ... (Read 105 times)

ARLKQ · **on:** Jul 24, 2018

Automatic expansion valves are good at maintaining a constant:

A) Temperature. B) Viscosity. C) Density. D) Flow.

Question 2

Valves that open and close rapidly under the control of electronic circuits are:

A) Step motor valves. B) Pulse-modulated valves.
C) Electronic expansion valves. D) Cross-charged expansion valves.