One difference between refrigerant piping practices for air conditioning systems and refrigerant piping practices for commercial refrigeration systems is that:
A) Suction lines are typically larger for air conditioning applications for the same capacity of commercial refrigeration systems.
B) Most air conditioning manufacturers do not recommend oil traps.
C) The suction lines on air conditioning systems do not require insulating because of their higher temperature.
D) Most commercial refrigeration system manufacturers do not recommend oil traps.
B
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In addition to measuring HC and CO levels, a four gas analyzer also monitors carbon dioxide (CO2) and oxides of nitrogen (NOx).
Answer the following statement true (T) or false (F)
A regular pyramid has a volume of 1,420 cubic centimeters and a height of 3.55 centimeters. The base is a square. Determine the length of a base side to the nearest tenth of a centimeter.
A. 30.9 B. 34.7 C. 33.5 D. 34.6
____ grease is resistant to heat. It is usually thicker and specially formulated for use with various types of bearings.
A. Solid B. Chassis C. Wheel bearing D. Universal joint
When replacing a timing belt, many experts and vehicle manufacturers recommend that what other part(s) should be replaced?
A) Tensioner assembly B) Camshaft oil seal(s) C) Water pump D) All of the above