Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Prandtl mixing length is Applicable to laminar flow problems A universal constant None of these Zero at the pipe wall Applicable to laminar flow problems A universal constant None of these Zero at the pipe wall ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Scale up of agitator design requires Both geometrical and dynamic similarity Geometrical similarity only All of these Dynamic similarity only Both geometrical and dynamic similarity Geometrical similarity only All of these Dynamic similarity only ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The dimension of kinematic viscosity is ML⁻²T⁻² None of these ML⁻²T⁻¹ L²T⁻¹ ML⁻²T⁻² None of these ML⁻²T⁻¹ L²T⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water iterface? The balloon is of radius 0.1 m and is filled with air. 0.04πgH/3 0.01πgH/4 4πg/3 0.01πgH/8 0.04πgH/3 0.01πgH/4 4πg/3 0.01πgH/8 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The distance between metacentre and __________ is called metacentric height. Centre of buoyancy None of these Water surface Centre of gravity Centre of buoyancy None of these Water surface Centre of gravity ANSWER DOWNLOAD EXAMIANS APP
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