Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Square Circular Rectangular Trapezoidal Square Circular Rectangular Trapezoidal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid cavitation in centrifugal pumps The suction pressure should be high The delivery pressure should be high The suction pressure should be low The delivery pressure should be low The suction pressure should be high The delivery pressure should be high The suction pressure should be low The delivery pressure should be low ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dimensions of surface tension are ML²T² ML r² ML°T ML°T⁻² ML²T² ML r² ML°T ML°T⁻² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a right angled notch is (where H = Height of liquid above the apex of notch) (8/15) Cd. 2g. H3/2 (8/15) Cd. 2g. H (8/15) Cd. 2g. H² (8/15) Cd. 2g. H5/2 (8/15) Cd. 2g. H3/2 (8/15) Cd. 2g. H (8/15) Cd. 2g. H² (8/15) Cd. 2g. H5/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to 0.1 0.01 0.001 0.0001 0.1 0.01 0.001 0.0001 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, centre of pressure is At the centre of gravity Below be centre of gravity Above the centre of gravity Could be above or below e.g. depending on density of body and liquid At the centre of gravity Below be centre of gravity Above the centre of gravity Could be above or below e.g. depending on density of body and liquid ANSWER DOWNLOAD EXAMIANS APP
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