Hydraulics and Fluid Mechanics in ME A fluid which obeys the Newton's law of viscosity is termed as Real fluid Ideal fluid Newtonian fluid Non-Newtonian fluid Real fluid Ideal fluid Newtonian fluid Non-Newtonian fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, centre of pressure is At the centre of gravity Could be above or below e.g. depending on density of body and liquid Above the centre of gravity Below be centre of gravity At the centre of gravity Could be above or below e.g. depending on density of body and liquid Above the centre of gravity Below be centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Working principle of dead weight pressure gauge tester is based on Pascal’s law Avogadro’s hypothesis Newton’s law of viscosity Dalton’s law of partial pressure Pascal’s law Avogadro’s hypothesis Newton’s law of viscosity Dalton’s law of partial pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase of temperature results in decrease in viscosity of gas increase in viscosity of gas increase in viscosity of liquid decrease in viscosity of liquid decrease in viscosity of gas increase in viscosity of gas increase in viscosity of liquid decrease in viscosity of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power absorbed (in watts) in overcoming the viscous resistance of a footstep bearing is μ π³ N² R² /1800 t μ π³ N² R⁴ /1800 t μ π³ N² R⁴ /3600 t μ π³ N² R² /3600 t μ π³ N² R² /1800 t μ π³ N² R⁴ /1800 t μ π³ N² R⁴ /3600 t μ π³ N² R² /3600 t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is turbulent when Reynold number is Between 2000 and 2800 None of these More than 2800 Less than 2000 Between 2000 and 2800 None of these More than 2800 Less than 2000 ANSWER DOWNLOAD EXAMIANS APP