What is the basic function of a residential oil fired boiler?
A) to heat the house by producing steam that is distributed through ductwork
B) to transfer the heat to water by raising its temperature
C) to generate steam that is used for turning a turbine to produce electricity
D) to transfer the heat to water by turning it into steam
B
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A(n) ____ motor is an AC motor in which the rotor revolves at the same speed as the rotating magnetic field.
A. high-frequency B. multispeed squirrel-cage C. polyphase synchronous D. adjustable-speed induction
A fire generally burns most rapidly in the same direction that the wind is blowing. When firefighters get in front of the
fire and start small fires of their own, what are they trying to do?
What will be an ideal response?To eliminate the effect of an ideal current source, replace it with a(n)__________
A. closed circuit B. total current C. open circuit D. short circuit
When looking for information on physical and chemical properties, the section to look at in a SDS is section:
A) 8. B) 7. C) 6. D) 9.