Hydraulics and Fluid Mechanics in ME When the Mach number is more than 6, the flow is called Sonic flow Hyper-sonic flow Super-sonic flow Sub-sonic flow Sonic flow Hyper-sonic flow Super-sonic flow Sub-sonic flow 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 Bernoulli’s theorem Equilibrium of a floating body Buoyancy Archimedes’ principle Bernoulli’s theorem Equilibrium of a floating body Buoyancy Archimedes’ principle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Liquids transmit pressure equally in all the directions. This is according to Archimedes principle Boyle's law Newton's formula Pascal's law Archimedes principle Boyle's law Newton's formula Pascal's law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly enlarged to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden enlargement is (v₁² - v₂²)/g (v₁ - v₂)²/2g (v₁² - v₂²)/2g (v₁ - v₂)²/g (v₁² - v₂²)/g (v₁ - v₂)²/2g (v₁² - v₂²)/2g (v₁ - v₂)²/g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The property by virtue of which a liquid opposes relative motion between its different layers is called Viscosity Surface tension Coefficient of viscosity Osmosis Viscosity Surface tension Coefficient of viscosity Osmosis ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge of a double acting reciprocating pump is (where L = Length of stroke, A = Cross-sectional area of piston, and N = Speed of crank in r.p.m.) (L.A.N)/60 (2 L.A.N)/60 2 L.A.N L.A.N (L.A.N)/60 (2 L.A.N)/60 2 L.A.N L.A.N ANSWER DOWNLOAD EXAMIANS APP