What is the purpose of TEV sensing bulbs with a limited, or gas charge?
A) Gas-charged bulbs regulate better with systems experiencing liquid line flash gas.
B) They save on installation cost by reducing the amount of charge in the TEV bulb.
C) They reduce the amount of refrigerant in the system because of the limited charge.
D) They produce a maximum operating pressure at high operating superheat.
D
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What two methods are used to start three-phase compressors on large systems?
What will be an ideal response?
Aerate the area in north-west and east-south directions to establish the seedbed
Indicate whether the statement is true or false
On the heating plan, a solid line indicates ____ pipes.
A. lead B. water C. supply D. return
A consultant, after 3 months of work, reported that the modified B/C ratio for a city-owned hospital heliport project is 1.7. If the initial cost is $1 million and the annual benefits are $150,000, what is the amount of the annual M&O costs used in the calculation? The report stated that a discount rate of 6% per year and an estimated life of 30 years were used.
What will be an ideal response?