Most heat pumps have two metering devices because:

A) Each coil must function as the evaporator during one of the cycles.
B) Two metering devices allow for extra refrigerant flow at low outdoor temperatures.
C) Two metering devices allow two stage operation.
D) One metering device serves as a backup to the primary metering device.


A

Trades & Technology

You might also like to view...

Write your definition of paternalism. Then use this definition to argue that early- 19th-century American reform efforts were in part paternalistic endeavors by middle-class Americans to "do something for" the less fortunate.

What will be an ideal response?

Trades & Technology

Find i? in the circuit in Fig. 10.93 using superposition.

Trades & Technology

How many microns are there in an inch?

A) 25,400 B) 760,000 C) 2500 D) 1000

Trades & Technology

____ operate by a mechanism holding the sash on the top and bottom.

A. Palladian windows B. Architectural designs C. Casement windows D. Awning windows

Trades & Technology