The four categories of gas-fired furnaces are based on:

A) Efficiency. B) Flue gas temperature and pressure.
C) Firing rate. D) Category of gas being burned.


B

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What environmental control measure may be constructed of concrete or simply earthen pits dug out and lined with a heavy rubber liner?

A. Dike B. Settling pond C. Landfill D. Sand absorption

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As refrigerant vapor is removed from a supply cylinder, the pressure in the supply cylinder will ____________________.

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

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Create a table that shows the relationship between the units of mass in kilogram and pound mass in the range of 50 kg to 120 kg. Use increments of 10 kg. Present your work using the ideas discussed in this chapter and engineering paper.

What will be an ideal response?

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A low-resistance device used to conduct most circuit current away from the meter movement is an ammeter _____.

A. spike B. shunt C. resistor D. limiter

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