What would most likely happen to the evaporator on an air-conditioning system, operating with R-22, if the suction pressure dropped to 50 psig?
What will be an ideal response?
The evaporator would ice-up.
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What is the saturated dissolved oxygen concentration for water at sea level and 18ºC?
What will be an ideal response?
When replacing a portable band saw blade, you can release the old blade by _____.
a. pulling it with pliers b. running the saw backwards c. rotating the band adjust knob d. unscrewing the blade guides
Jennifer and Rex both receive a dividend from their 401(k) retirement plan every 6 months. The earning rates for this year have been 5% per year, compounded quarterly for Jennifer, and 4.85% per year, compounded monthly for Rex. Rex felt good about this because he knew the monthly compounding on his plan would make his APY higher than Jennifer’s APY.
(a) Is Rex correct? Explain your answer. (b) What is the effective rate for each plan on the basis of the payment period?
The service valve cores are normally removed before evacuating the system
Indicate whether the statement is true or false