An astable multivibrator produces __________.
A. one pulse after a signal is applied to the input
B. a continuous square wave after power is applied
Answer: B
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The drive pulley diameter in a CVT is controlled by a ________.
A) Vacuum pulley lever B) Spring weights C) Stepper motor D) Centrifugal force
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Which class is a steam turbine considered to be classified in?
A. Impulse B. Reactive C. Combination D. All of the above
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The amount of agitation can be reduced and the mixing time shortened by ____ heat.
A. decreasing B. adding
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Which of these heating methods is most commonly used as a heat source in cold climates?
a. Kerosene heaters b. Coal furnaces c. Natural gas furnaces d. Electric heaters
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