A hot-gas defrost cycle will progress in the same manner as the:
A) Natural defrost system. B) Secondary defrost system.
C) Secondary-loop system. D) Electric defrost system.
D
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Oil-pressure failure switches are generally set to cut in at about 18 psi and to cut out at about ____.
a. 6 psi b. 8 psi c. 10 psi d. 12 psi
Calculating an unknown value between two known values is called _____.
a. correspondence of ratios
b. inverting
c. interpolation
d. conversion
La selección de cables de accesorios depende principalmente del:
a. tipo de terminación. b. la temperatura de funcionamiento del circuito. c. tipo de control de circuito. d. código de color del circuito.
Which of the following is not true for a Carnot cycle?
A) It is a fictitious cycle B) Heat transfer occurs across small temperature differences C) No friction or sudden expansion is allowed D) No cycle can exceed its efficiency