Hydraulics and Fluid Mechanics in ME The dynamic viscosity of the liquid __________ with rise in temperature. Increases Decreases None of these Remain unaffected Increases Decreases None of these Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Piezometer is used to measure Difference of pressure between two points Pressure in pipe, channels etc Very low pressures Atmospheric pressure Difference of pressure between two points Pressure in pipe, channels etc Very low pressures Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of approach) (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H13/2 - Ha3/2] ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow in which each liquid particle has a definite path, and the paths of individual particles do not cross each other, is called Streamline flow Turbulent flow Uniform flow Steady flow Streamline flow Turbulent flow Uniform flow Steady flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A weir, generally, used as a spillway of a dam is Broad crested weir Submerged weir Ogee weir Narrow crested weir Broad crested weir Submerged weir Ogee weir Narrow crested weir ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be Nearly horizontal Steep First rise and then fall Horizontal Nearly horizontal Steep First rise and then fall Horizontal ANSWER DOWNLOAD EXAMIANS APP
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