Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) d1/3 d2 d2/3 √d d1/3 d2 d2/3 √d ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Delivery of insufficient quantity of liquid by a pump may be caused by Low rpm Too high a lift Air leak in the inlet All of these Low rpm Too high a lift Air leak in the inlet All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drag does not depend upon the Pressure of main flow only All of these Length of the body in flow direction Roughness of surface of the body Pressure of main flow only All of these Length of the body in flow direction Roughness of surface of the body ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Mach number for hypersonic flow of compressible fluid is < 2 > 1 > 4 1 < 2 > 1 > 4 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A 2" gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is > Δp Δp < Δp Δp² > Δp Δp < Δp Δp² ANSWER DOWNLOAD EXAMIANS APP