Fluid Mechanics Steady flow occurs, when the Conditions change steadily with time Rate of the velocity change is constant Conditions do not change with time at any point Conditions are the same at the adjacent points at any instant Conditions change steadily with time Rate of the velocity change is constant Conditions do not change with time at any point Conditions are the same at the adjacent points at any instant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In magnetic flow meters, voltage generation is Proportional to the fluid velocity Both A and B Neither A nor B Due to the motion of conducting fluid through an externally generated uniform field Proportional to the fluid velocity Both A and B Neither A nor B Due to the motion of conducting fluid through an externally generated uniform field ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Vane anemometer None of these Is a variable head meter Is an area meter Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed None of these Is a variable head meter Is an area meter Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct) πx 2x x x/2 πx 2x x x/2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The unit of dynamic viscosity in SI unit is m² /sec m/N. sec N/m² kg/m . sec m² /sec m/N. sec N/m² kg/m . sec 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). 0.24 24000 24 0.44 0.24 24000 24 0.44 ANSWER DOWNLOAD EXAMIANS APP
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