The formula used to calculate the time to control the pulse rate of the UJT is ____.
a. T = RC
b. R = TC
c. C = RT
d. T = RI
a. T = RC
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Which type wrench is used on fasteners that do NOT require a lot of torque?
A) Box end B) Open end C) Adjustable D) None of these
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What is a multiposition furnace?
A) It is a furnace that can be used in most any position. B) It is a furnace that can use multiple types of fuels. C) It is a vent-free oil furnace that can be installed anywhere. D) It is a furnace that can be converted to a boiler.
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In residential applications, black iron pipe is used _____
a. for refrigerant piping b. to supply gas to a furnace c. as condensate piping d. to supply combustion air
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What changes mechanical energy to electrical energy?
A. motor B. magnet C. generator D. voltage
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