What is the superheat if the suction pressure on an R404A system is 16 psig and the suction line temperature is -10°?

a. 2° b. 6° c. 10° d. 12° d. 30°


c. 10°
-10° line temperature – (-20°) evaporator = -10° + 20° = +10° S/H

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The central part of an atom is called the nucleus.

Answer the following statement true (T) or false (F)

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Because field current is required to produce a magnetic field, it is necessary to determine if current is flowing to the ____.

A. field coil B. multiplying coil C. carbon pile D. alternator

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Maximum likelihood estimates possess the property of functional invariance, which means that if is the MLE of ?, and h(?) is any function of ?, then is the MLE of h(?).

a. Let X ~ Bin(n, p) where n is known and p is unknown. Find the MLE of the odds ratio p/(l ?p).
b. Use the result of Exercise 5 to find the MLE of the odds ratio p/(1 ?p) if X ~ Geom(p).
c. If X ~ Poisson(?), then . Use the result of Exercise 6 to find the MLE of P(X = 0) if is a random sample from a population with the Poisson(?) distribution.

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The portion of food and expenditures associated with activities of firms beyond the farm gate is known as

A) value added. B) the marketing bill. C) consumer surplus. D) none of the above.

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