Hydraulics and Fluid Mechanics in ME If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, the body is said to be in __________ equilibrium. None of these Neutral Stable Unstable None of these Neutral Stable Unstable 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 Increases Decreases None of these Remain same Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Low specific speed of turbine implies it is Impulse turbine Any one of the above Propeller turbine Francis turbine Impulse turbine Any one of the above Propeller turbine Francis turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of actual work available at the turbine to the energy imparted to the wheel is known as ________ efficiency. None of these Mechanical Hydraulic Overall None of these Mechanical Hydraulic Overall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length of a liquid stream while flowing over a weir __________ at the ends of the sill. Expands Does not change Contracts None of these Expands Does not change Contracts None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant pressure, the speed capacity and power vary Inversely as density As square of density Inversely as square root of density Directly as the air or gas density Inversely as density As square of density Inversely as square root of density Directly as the air or gas density ANSWER DOWNLOAD EXAMIANS APP