The _____ breed, originating in Germany, is a shade of fawn in color with white markings and is

second in milkfat production per cow.



a. Jersey c. Guernsey
b. Holstein d. Ayrshire


C

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What is the most important element of checking line voltage thermostats?

What will be an ideal response?

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If Tis a continuous random variable that is always positive (such as a waiting time), with probability density function f(t) and cumulative distribution function F(t),then the hazard function is defined to be the function


The hazard function is the rate of failure per unit time, expressed as a proportion of the items that have not failed.

a. If T ~ Weibull(?, ?), find h(t).
b. For what values of ? is the hazard rate increasing with time? For what values of ? is it decreasing?
c. If T has an exponential distribution, show that the hazard function is constant.

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If alternative A has * Ai = 10% and alternative B has * Bi = 18% per year, what is known about the rate of return on the increment between A and B if the investment required in B is (a) larger than that required for A, and (b) smaller than that required for A?

What will be an ideal response?

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The most common fan used for moving air through ductwork in residential air conditioning is

A) Forward curved centrifugal B) Backward curved centrifugal C) Vane axial D) Propeller

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