Hydraulics and Fluid Mechanics in ME A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is 14π R1/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in reaction turbines is avoided, to a great extent by All of these Using stainless steel runner of the turbine Installing the turbine below the tail race level Providing highly polished blades to the runner All of these Using stainless steel runner of the turbine Installing the turbine below the tail race level Providing highly polished blades to the runner ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will float if Gravitational force is equal to the up-thrust of the liquid None of these Gravitational force is less than the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid None of these Gravitational force is less than the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will Partly immersed Float over fluid Sink to bottom Be fully immersed with top surface at fluid surface Partly immersed Float over fluid Sink to bottom Be fully immersed with top surface at fluid surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece) √2gH 0.855 a. √2gH 0.707 a. √2gH 0.5 a. √2gH √2gH 0.855 a. √2gH 0.707 a. √2gH 0.5 a. √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following manometer has highest sensitivity U-tube with mercury U-tube with water micro-manometer with water inclined U-tube U-tube with mercury U-tube with water micro-manometer with water inclined U-tube ANSWER DOWNLOAD EXAMIANS APP