Hydraulics and Fluid Mechanics in ME The jet ratio is defined as the ratio of the Diameter of Pelton wheel to the diameter of jet Velocity of jet to the velocity of Pelton wheel Velocity of Pelton wheel to the velocity of jet Diameter of jet to the diameter of Pelton wheel Diameter of Pelton wheel to the diameter of jet Velocity of jet to the velocity of Pelton wheel Velocity of Pelton wheel to the velocity of jet Diameter of jet to the diameter of Pelton wheel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surface tension Decreases with fall in temperature Acts in the plane of the interface normal to any line in the surface Is a function of the curvature of the interface Is also known as capillarity Decreases with fall in temperature Acts in the plane of the interface normal to any line in the surface Is a function of the curvature of the interface Is also known as capillarity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ? 0.5 0.515 0.4 0.5 0.5 0.515 0.4 0.5 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. Decreases Increases None of these Remain same Decreases Increases None of these Remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of a liquid particle in motion is equal to Kinetic energy - (pressure energy + potential energy) Pressure energy + kinetic energy + potential energy Pressure energy - (kinetic energy + potential energy) Potential energy - (pressure energy + kinetic energy Kinetic energy - (pressure energy + potential energy) Pressure energy + kinetic energy + potential energy Pressure energy - (kinetic energy + potential energy) Potential energy - (pressure energy + kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Piezometer tube is used only for measuring Low pressure Vacuum pressure Moderate pressure High pressure Low pressure Vacuum pressure Moderate pressure High pressure ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS