A device that detects visible or invisible particles of combustion is a _______.
A. Heat alarm
B. Heat detector
C. Smoke detector
D. Thermistors
C. Smoke detector
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Evaluate: 
Fill in the blank(s) with the appropriate word(s).
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The radiator usually cools better if the front air cam is removed
Indicate whether the statement is true or false
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Goat meat has been compared to what other kind of meat for its ratio of lean to fat?
A. Pork B. Deer C. Mutton D. Poultry
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On a digital waveform, the transition time from a LOW level to a HIGH level is called ________
A) rise time B) fall time C) period D) pulse width
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