Fluid Mechanics Boundary layer separation occurs when the Valve is closed in a pipeline Velocity of sound is reached Pressure reaches a minimum Cross-section of the channel is reduced Valve is closed in a pipeline Velocity of sound is reached Pressure reaches a minimum Cross-section of the channel is reduced ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The dimension of kinematic viscosity is L²T⁻¹ ML⁻²T⁻² ML⁻²T⁻¹ None of these L²T⁻¹ ML⁻²T⁻² ML⁻²T⁻¹ None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The velocity profile exhibited by laminar flow of Newtonion fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an __________ with the apex at the centre line of the pipe. Semi-ellipse Parabola Semi-circle Hyperbola Semi-ellipse Parabola Semi-circle Hyperbola ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The head loss in turbulent flow in a pipe varies Inversely as the square of diameter Inversely as the velocity As (velocity)² As velocity Inversely as the square of diameter Inversely as the velocity As (velocity)² As velocity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Either opened or closed ; it does not make any difference Opened Closed Either opened or closed; depending on the fluid viscosity Either opened or closed ; it does not make any difference Opened Closed Either opened or closed; depending on the fluid viscosity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 ∂/∂s = constant ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 ∂/∂s = constant ANSWER DOWNLOAD EXAMIANS APP
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