What electrical rating on the unit data plate is useful for sizing the circuit breaker for the unit?
What will be an ideal response?
Maximum fuse size
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Why is microwave drying an excellent method of drying?
What will be an ideal response?
Technician A says that all HFC-134a uses the same refrigerant oil. Technician B says that refrigerant oil, regardless of type, must be kept in a sealed container to keep it from absorbing moisture from the air. Which technician is correct?
A) Technician A only B) Both technicians A and B C) Technician B only D) Neither technician A nor B
The components of a commercial fan coil unit include
A) A compressor, condenser, metering device, and evaporator B) A fan, compressor and condenser C) A fan and electric strip heaters D) A fan, a water coil, a filter, a fresh air supply, and a control system
What is the most likely cause of flames that are lifting off the burner?
A) Excessive combustion chamber draft B) Too much primary air C) Misaligned burner D) Too little primary air