What does EPA stand for?
What will be an ideal response?
Environmental Protection Agency
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Freon 22 is used as a refrigerant in a vapor-compression refrigeration cycle in the frozen food section of your local supermarket. If the condenser operates at 320 K (saturated liquid leaves the condenser) and the boiler operates at 260 K (saturated vapor leaves the boiler), calculate:
A) The coefficient of performance, if the compressor has an 80% efficiency rating. B) The quality of the vapor/liquid mixture that leaves the expansion valve. C) The Carnot Cycle COP assuming that both reservoir temperatures are the same as the temperatures of the boiler and the condenser. D) Since no real process can ever match the assumptions of the Carnot engine, why is the Carnot engine useful?
A rhombus is a parallelogram whose sides and angles are all equal.
Answer the following statement true (T) or false (F)
What was the main purpose of the four-year plan that Hitler developed in 1936?
a. to bring Nazis to power in the Reichstag b. to develop relationships with the communists c. to strip all Jews of their citizenship d. to make Germany ready for war in 1940
It is important to remember that some sort of ________ jack or block is needed to complete a copper circuit and that many jacks and blocks are also used to provide a cross connect point and test point
Fill in the blank(s) with correct word