Q. The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is

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Q. When the Mach number is between __________ the flow is called super-sonic flow.

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Q. A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension)

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Q. An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice.

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Q. The discharge over a rectangular notch is

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Q. The volume of a fluid __________ as the pressure increases.

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Q. The pressure of the liquid flowing through the divergent portion of a venturimeter

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Q. The vacuum pressure can be measured with the help of a piezometer tube.

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Q. A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is

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Q. According to Bazin's formula, the discharge over a rectangular weir is mL2g x H^3/2 where m is equal to

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Q. A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. Which of the following statement is correct?

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Q. Water is a __________ fluid.

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Q. The property of a liquid which controls its rate of flow is called viscosity.

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Q. The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is

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Q. The factional resistance of a pipe varies approximately with __________ of the liquid.

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Q. If the coefficient of discharge is 0.6, then the discharge over a right angled notch is

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Q. According to Bazin, the coefficient of discharge varies with the height of water over the sill of a weir.

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Q. Falling drops of water become spheres due to the property of

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Q. The D-Alembert's principle is used for changing the dynamic equilibrium of a fluid mass, into a static equilibrium.

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Q. Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, in the direction of flow of the liquid, is known as

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