Fluid Mechanics As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 Increases linearly with V Decreases linearly with V None of these Decreases as V² Increases linearly with V Decreases linearly with V None of these Decreases as V² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Transition from laminar flow to turbulent flow is aided by the Pressure gradient and the compressibility of the flowing medium Surface roughness and curvature (i.e.sharp corners) Vibration All of these Pressure gradient and the compressibility of the flowing medium Surface roughness and curvature (i.e.sharp corners) Vibration All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length. None of these Transition Prandtl mixing Equivalent None of these Transition Prandtl mixing Equivalent 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 Pitot tube Venturimeter Rotameter Orificemeter Pitot tube Venturimeter Rotameter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For pipes that must be broken at intervals for maintenance, the connector used should be a/an Reducer Union Tee Elbow Reducer Union Tee Elbow ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Power number is the ratio of Inertial stress to drag stress Gravitational stress to drag stress Inertial stress to gravitational stress Drag stress to inertial stress Inertial stress to drag stress Gravitational stress to drag stress Inertial stress to gravitational stress Drag stress to inertial stress ANSWER DOWNLOAD EXAMIANS APP
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