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Hot-wire sensors are used for the measurement of ______________

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Hot-wire sensors are used for the measurement of ______________

(a) temperature

(b) pressure

(c) mass flow rate

(d) smoke intensity

The question was posed to me in an interview.

The query is from Engine Management Systems in chapter Engine Electronics of IC Engine

1 Answer

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by (65.4k points)

The correct answer is:

(c) Mass flow rate

Hot-wire sensors are commonly used for measuring mass flow rate, particularly in applications like air intake systems in engine management, where they can measure the flow of air based on the cooling effect of the airflow on a heated wire.

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