Technician A says that a rough idle on a fuel-injected engine can be caused by dirty throttle plates

Technician B says that the wrong PCV valve could cause the engine to idle roughly. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician


C

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In his second term, President Reagan departed from the militantly anti-Soviet stance of his first term by

A. joining with Soviet leader Gorbachev to end Soviet-American political and military conflicts in the Third World. B. supporting Russia if it would let go of the territories held in its Soviet empire. C. agreeing that the Soviet Union had a legitimate sphere of interest in Eastern Europe. D. making the Soviet Union a major trading partner of the United States. E. negotiating and signing nuclear arms reduction agreements with the new Soviet leader Mikhail Gorbachev.

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What is the most important reason NOT to wear jewelry when working on air conditioning equipment?

A. shows vanity B. might offend customers C. could lose the jewelry D. creates risk of potential electrical shock

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A sensor which reads the pH of a solution produces a ____ signal.

A. linear B. non-linear C. either a or b

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The refrigerant in a refrigeration system changes state in the ____.

A. condenser and compressor B. compressor and expansion device C. expansion device and evaporator D. condenser and evaporator

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