Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is 2HW/(H + W)² HW/4(H + W)² HW/2(H + W)² √(HW/π) 2HW/(H + W)² HW/4(H + W)² HW/2(H + W)² √(HW/π) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Mass velocity in case of steady flow and through a constant cross-section conduit is independent of the Neither A nor B Temperature Both A & B Pressure Neither A nor B Temperature Both A & B Pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady flow occurs, when the Rate of the velocity change is constant Conditions change steadily with time Conditions are the same at the adjacent points at any instant Conditions do not change with time at any point Rate of the velocity change is constant Conditions change steadily with time Conditions are the same at the adjacent points at any instant Conditions do not change with time at any point ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is Constant along a streamline Increased in the direction of flow Not constant along a streamline None of these Constant along a streamline Increased in the direction of flow Not constant along a streamline None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an Orificemeter Venturimeter Pitot tube Rotameter Orificemeter Venturimeter Pitot tube Rotameter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The temperature in isentropic flow Cannot drop and then increase again downstream Depends on Mach number only None of these Does not depend on Mach number Cannot drop and then increase again downstream Depends on Mach number only None of these Does not depend on Mach number ANSWER DOWNLOAD EXAMIANS APP
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