Which is NOT a cause of high superheat in an air conditioning system?
A. refrigerant undercharge
B. overfeeding metering device
C. underfeeding metering device
D. excessive airflow through the evaporator coil
Answer: B
Trades & Technology
You might also like to view...
If your brakes fail on a downgrade, your best hope to stop is to:
A. Use an escape ramp. B. Use the shoulder. C. Drift to a stop.
Trades & Technology
Isometric drawings are _____.
a. elevations b. plan views c. not drawn to scale d. scaled
Trades & Technology
The most popular style of wire stripper used in residential wiring is the nonadjustable type, commonly called a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
Sign and outline lighting outlets must be calculated at a minimum of ____ per required branch circuit.
A. 1000 volt-amperes B. 1100 volt-amperes C. 1200 volt-amperes D. 1500 volt-amperes
Trades & Technology