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 0.5 a. √2gH 0.707 a. √2gH √2gH 0.855 a. √2gH 0.5 a. √2gH 0.707 a. √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of air __________ with the increase of height from the surface of the earth. Does not change Increases None of these Decreases Does not change Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Cavitation will begin when pressure is increased pressure becomes more than critical pressure the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid flow is increased pressure is increased pressure becomes more than critical pressure the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid flow is increased ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch) (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2g) × H2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will float tend to move downward and it may finally sink None of these rise until its weight equals the buoyant force float tend to move downward and it may finally sink None of these rise until its weight equals the buoyant force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Differential manometer is used to measure Difference of pressure between two points Pressure in pipes, channels etc. Very low pressure Atmospheric pressure Difference of pressure between two points Pressure in pipes, channels etc. Very low pressure Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
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