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Mechanical Properties of Fluids
Question
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What is the principle of atomiser or sprayer?

Answer

When the rubber balloon is pressed, the air passes with large velocity at point A. Due to this, the pressure at A decreases. As a result of decrease in pressure, the liquid will rise up in the tube and flow away in the form of fine spray. 

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Some More Questions From Mechanical Properties of Fluids Chapter

Can fluids withstand tangential stress?

Can fluids withstand normal stress?

Why the fluids do not have any modulus of rigidity?

Which phase of fluid is more compressible?

What is an ideal liquid?

Do liquids exert pressure?

Define pressure.

What is the direction of pressure?

What is the direction in which pressure exerts force on the walls of a container?

What is the SI unit of pressure?