A manometer is used to measure the pressure of a gas in a tank. The manometer fluid is water (? = 1000 kg/m3) and the manometer column height is 1.8 m. If the local atmospheric pressure is 100 kPa, the absolute pressure within the tank is (a) 17,760 kPa      (b) 100 kPa       (c) 180 kPa     (d ) 101 kPa      (e) 118 kPa

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.