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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The flow of water through the hole in the bottom of a wash basin is an example of

Uniform flow
Steady flow
Forced vortex
Free vortex

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Hydraulics and Fluid Mechanics in ME
If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by

H = Hg/hf
H = Hg - hf
H = Hg + hf
H = Hg × hf

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Hydraulics and Fluid Mechanics in ME
Hot wire anemometer is used to measure

Gas velocities
Pressure in gases
Pressure in liquids
Liquid discharge

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Hydraulics and Fluid Mechanics in ME
The wake

always occurs before a separation point
always occurs after a separation point
None of these
is a region of high pressure intensity

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Hydraulics and Fluid Mechanics in ME
The buoyancy depends on

viscosity of the liquid
mass of liquid displaced
pressure of the liquid displaced
depth of immersion

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Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H3/2
Cd × a × √(2g) × H2
Cd × a × √(2gH)
Cd × a × √(2g) × H5/2

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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