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Magnetic compass is also called as whiskey compass.

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Magnetic compass is also called as whiskey compass.

(a) True

(b) False

I had been asked this question in an international level competition.

This interesting question is from Vertical & Heading References in portion Air Data Systems, Altitude and Heading Reference of Avionics

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Right option is (a) True

Explanation: The simplest compasses measure the orientation of the nearly free permanent magnet attached to a buoyant body floating in a liquid. Since the liquid is usually alcohol, it is also called as whisky compass.

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