Q.

Which device is used to measure pressure?

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a

Odometer

b

Dynamometer

c

Barometer

d

Hydrometer

answer is B.

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Detailed Solution

Barometer is a device used to measure air pressure. Odometer is a device used to measure the distance travelled by a wheeled vehicle (it is the speed indicator in your vehicle). Dynamometer is a device used to measure torque or rpm of an engine. Hydrometer is used to measure specific gravity of liquids. Also keep in mind that the liquid used in a barometer is mercury.

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