Kerosene space heaters use:
A) Number 2 fuel oil. B) White gasoline. C) Number 1 fuel oil. D) Number 6 fuel oil.
Question 2
A system operating with a low superheat and a low subcooling most likely has:
A) A refrigerant restriction. B) Low evaporator airflow.
C) An overfeeding refrigerant metering device. D) Low condenser airflow.