Hydraulics and Fluid Mechanics in ME Viscosity of water in comparison to mercury is Higher/lower depending on temperature Lower Same Higher Higher/lower depending on temperature Lower Same Higher ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow in which the viscosity of fluid is dominating over the inertia force is called Unsteady flow Laminar flow Steady flow Turbulent flow Unsteady flow Laminar flow Steady flow Turbulent flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface) wAx wA/x wx wA wAx wA/x wx wA ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For laminar flow in circular pipes, the Darcy’s friction factor f is equal to 16/Re 32/ Re None of these 64/ Re 16/Re 32/ Re None of these 64/ Re ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will float if Gravitational force is more than the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these Gravitational force is equal to the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these Gravitational force is equal to the up-thrust of the liquid ANSWER DOWNLOAD EXAMIANS APP
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