A flow is called sonic, if the Mach number is unity.

More Questions from Hydraulics and Fluid Mechanics

• The property of a liquid which controls its rate of flow is called viscosity.
• An error of 1% in measuring head over the crest of the notch (H) will produce an error of __________ in discharge over a triangular notch,
• 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?
• An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice.
• In case of flow through parallel pipes,
• A point, in a compressible flow where the velocity of fluid is zero, is called
• The torque required to overcome viscous resistance of a collar bearing is (where R1 and R2 = External and internal radius of collar)
• Barometer is used to measure
• The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.
• 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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