____________________ can be PLCs, personal computers, HMIs, intelligent I/O devices, routers, and bridges, to name just a few examples.

Fill in the blank(s) with the appropriate word(s).


Nodes

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The ON time of a PWM signal is referred to as the duty cycle.

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

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

1. National income is equal to wages, rents, interest and profits 2. A complete circular flow of the economy includes both the government sector and the financia markets. 3. Net exports of goods and services is equal to imports minus exports. 4. If personal income is equal to $3,000 and consumers spend $3,600, the level of savings in the economy would $600. 5. The slope of the investment function for the economy is called the marginal interest sensitivity of investment.

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The heat rate when used as a heat pump is nearest:

The ideal vapor refrigeration cycle utilizes R134a between saturation temperatures of ?20°C and 40°C. It has a flow
rate of 0.6 kg/s.

A) 106 kJ/s
B) 121 kJ/s
C) 148 kJ/s
D) 182 kJ/s

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According to progressives, the cure for all of American democracy's ills was

A. technical and scientific expertise. B. a third political party. C. socialism. D. a more conservative government. E. more democracy.

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