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.
Attack systems of pathogenic bacteria.
The internal organization of cells, tissues, organs, and organ systems in a mammal.
This graphic illustrates the original systems model of politics advanced by David Easton. Politics
A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ...
Major inner membrane transport systems for respiratory substrates and products
Variation in vertebrate circulatory systems