One difference between refrigerant piping practices for air-conditioning systems and refrigerant piping practices for commercial refrigeration systems is that:
A) The suction lines on air-conditioning systems do not require insulating because of their higher temperature.
B) Most commercial refrigeration system manufacturers do not recommend oil traps.
C) Most air-conditioning manufacturers do not recommend oil traps.
D) Suction lines are typically larger for air-conditioning applications for the same capacity of commercial refrigeration systems.
Question 2
Single-phase AC power is used:
A) Only in commercial buildings. B) In both residential and commercial buildings.
C) Only in Europe. D) Only in residences.
Basic features of the function of many excretory systems.
Living systems such as the human body consist of closely interrelated elements
The Systems in Bronfenbrenner’s Ecological Theory
Pavlov’s Original Classical Conditioning Procedure
There Is a Difference between Natural and Added Sugars
Classical-Conditioning Activity