Hydraulics and Fluid Mechanics in ME The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to Twice the breadth Half the depth Twice the depth Half the breadth Twice the breadth Half the depth Twice the depth Half the breadth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm". The pressure at 2.5 m below the oil surface will be 2 metres of water column 4 m of water column 3.5 metres of water column 3 metres of water column 2 metres of water column 4 m of water column 3.5 metres of water column 3 metres of water column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A floating body is said to be in a state of stable equilibrium when the metacentre is above the centre of gravity when the metacentre is below the centre of gravity only when its centre of gravity is below its centre of buoyancy when its metacentric height is zero when the metacentre is above the centre of gravity when the metacentre is below the centre of gravity only when its centre of gravity is below its centre of buoyancy when its metacentric height is zero ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow through a long pipe at decreasing rate is called __________ uniform flow. Both A and B Unsteady None of these Steady Both A and B Unsteady None of these Steady ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following velocity potentials satisfies continuity equation ? x2 + y2 cosx x2y x2-y2 x2 + y2 cosx x2y x2-y2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase of temperature results in decrease in viscosity of gas increase in viscosity of gas decrease in viscosity of liquid increase in viscosity of liquid decrease in viscosity of gas increase in viscosity of gas decrease in viscosity of liquid increase in viscosity of liquid ANSWER DOWNLOAD EXAMIANS APP