Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water to the turbines? Jet pump Centrifugal pump Air lift pump Reciprocating pump Jet pump Centrifugal pump Air lift pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Resultant pressure of the liquid in the case of an immersed body acts through Centre of pressure Metacentre Centre of gravity Centre of buoyancy Centre of pressure Metacentre Centre of gravity Centre of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to Buoyancy Equilibrium of a floating body Archimedes’ principle Bernoulli’s theorem Buoyancy Equilibrium of a floating body Archimedes’ principle Bernoulli’s theorem ANSWER DOWNLOAD EXAMIANS APP
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 Diameter of jet to the diameter of Pelton wheel Velocity of jet to the velocity of Pelton wheel Velocity of Pelton wheel to the velocity of jet Diameter of Pelton wheel to the diameter of jet Diameter of jet to the diameter of Pelton wheel Velocity of jet to the velocity of Pelton wheel Velocity of Pelton wheel to the velocity of jet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity) tanθ = 2 a/g tanθ = a/g tanθ = a/2g tanθ = a2/2g tanθ = 2 a/g tanθ = a/g tanθ = a/2g tanθ = a2/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio in case of Francis turbine varies from 0.6 to 0.9 0.4 to 0.5 0.15 to 0.3 1 to 1.5 0.6 to 0.9 0.4 to 0.5 0.15 to 0.3 1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP