Fluid Mechanics Drag force acting on a body does not depend upon the Density of the fluid Projected area of the body Velocity of the body Density of the body Density of the fluid Projected area of the body Velocity of the body Density of the body ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Either opened or closed; depending on the fluid viscosity Either opened or closed ; it does not make any difference Closed Opened Either opened or closed; depending on the fluid viscosity Either opened or closed ; it does not make any difference Closed Opened ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Shear stress in a fluid flowing in a round pipe Varies parabolically across the cross-section Is zero at the wall and increases linearly to the centre Remains constant over the cross-section Is zero at the centre and varies linearly with the radius Varies parabolically across the cross-section Is zero at the wall and increases linearly to the centre Remains constant over the cross-section Is zero at the centre and varies linearly with the radius ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The inherent characteristic of an equal percentage valve relating flow rate 'q' with valve stem movement 'x' are described by the equation dq/dx = Kq² dq/dx = K/q dq/dx = K.q dq/dx = K dq/dx = Kq² dq/dx = K/q dq/dx = K.q dq/dx = K ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition. ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 ∂/∂t = constant ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 ∂/∂t = constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Prandtl mixing length is None of these A universal constant Zero at the pipe wall Applicable to laminar flow problems None of these A universal constant Zero at the pipe wall Applicable to laminar flow problems ANSWER DOWNLOAD EXAMIANS APP
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