Question 166Motor Plants - QMED
70% to passThe most common instrument used to measure diesel engine exhaust pressure is the _______________.
Apyrometer
Bbourdon gauge
Cpneumercator
Dmanometer
AI Explanation
The correct answer is D) manometer. A manometer is the most common instrument used to measure diesel engine exhaust pressure. Manometers measure pressure by comparing the pressure of the exhaust gas to the pressure of the atmosphere, using a column of liquid like water or mercury. This direct pressure measurement is the standard method for monitoring diesel engine exhaust pressure. The other answer choices are incorrect because: A) a pyrometer measures temperature, not pressure; B) a bourdon gauge measures pressure but is not typically used for diesel exhaust; and C) a pneumercator is a device that measures liquid level, not pressure.
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