Fluid Mechanics A stream line is Drawn normal to the velocity vector at every point Always the path of particle A line connecting the mid points of flow cross-section Fixed in space in steady flow Drawn normal to the velocity vector at every point Always the path of particle A line connecting the mid points of flow cross-section Fixed in space in steady flow ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head. Manometric Total Friction Static Manometric Total Friction Static ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s). 24000 24 0.24 0.44 24000 24 0.24 0.44 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The distance between metacentre and __________ is called metacentric height. Water surface Centre of buoyancy None of these Centre of gravity Water surface Centre of buoyancy None of these Centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is 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) 2HW/(H + W)² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity of liquid hydrocarbon fuels in a pipeline can not be measured by magnetic flowmeters, because their __________ is very low/small. Electrical conductivity Electrical resistivity Thermal conductivity Specific gravity Electrical conductivity Electrical resistivity Thermal conductivity Specific gravity ANSWER DOWNLOAD EXAMIANS APP
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