Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is ηh = ηo × ηm ηo = ηh × ηm None of these ηm = ηm × ηh ηh = ηo × ηm ηo = ηh × ηm None of these ηm = ηm × ηh ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Working principle of dead weight pressure gauge tester is based on Newton’s law of viscosity Avogadro’s hypothesis Pascal’s law Dalton’s law of partial pressure Newton’s law of viscosity Avogadro’s hypothesis Pascal’s law Dalton’s law of partial pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Bulk modulus of a fluid is the ratio of Increase in pressure to the volumetric strain Critical velocity to the viscosity of fluid Shear stress to shear strain Increase in volume to the viscosity of fluid Increase in pressure to the volumetric strain Critical velocity to the viscosity of fluid Shear stress to shear strain Increase in volume to the viscosity of fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is 15 kN 20 kN 5kN lOkN 15 kN 20 kN 5kN lOkN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure at a point 4 m below the free surface of water is 39.24 kPa 29.24 kPa 49.24 kPa 19.24 kPa 39.24 kPa 29.24 kPa 49.24 kPa 19.24 kPa ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a reaction turbine with increase in unit speed Decreases Increases Remain unaffected First increases and then decreases Decreases Increases Remain unaffected First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP