Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film) μπ²NR⁴/60t μπ²NR²/60t μπ²NR/60t μπ²NR³/60t μπ²NR⁴/60t μπ²NR²/60t μπ²NR/60t μπ²NR³/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Liquids Occupy definite volume None of the listed here Are not affected by change in pressure and temperature Cannot be compressed Occupy definite volume None of the listed here Are not affected by change in pressure and temperature Cannot be compressed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be Higher than the surface of liquid Lower than the surface of liquid Unpredictable The same as the surface of liquid Higher than the surface of liquid Lower than the surface of liquid Unpredictable The same as the surface of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The equation of continuity holds good when the flow All of these velocity is uniform at all the cross sec-tions is one dimensional is steady All of these velocity is uniform at all the cross sec-tions is one dimensional is steady ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Working principle of dead weight pressure gauge tester is based on 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 Newton’s law of viscosity Avogadro’s hypothesis ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Remain same None of these Decreases Increases Remain same None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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