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). 0.44 0.24 24000 24 0.44 0.24 24000 24 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. Thermal conductivity Electrical conductivity Electrical resistivity Specific gravity Thermal conductivity Electrical conductivity Electrical resistivity Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The __________ pressure is measured by a static tube. Static Total Dynamic None of these Static Total Dynamic None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double Head Discharge Efficiency None of these Head Discharge Efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following produces maximum pressure difference for transportation of gases? Vaccum pumps Blowers Compressors Fans Vaccum pumps Blowers Compressors Fans ANSWER DOWNLOAD EXAMIANS APP