Which of the following is the SI unit for force?
a. Pounds
b. Newtons
c. Grams
d. Kilograms
b. Newtons
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The _____ hog is black with a white belt that encircles the forepart of the body
a. Duroc c. Chester White b. Berkshire d. Hampshire
The term that describes a group of genetically similar plants that can be distinguished from other groups within the same species is:
a. crop c. selection b. cultivar d. F1 generation
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?
_______ files have a single series of parallel teeth teeth. They are used to produce a
smooth surface finish. A. Single-Face B. Double-cut C. Mill D. Rasp-cut