Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 50-60° 30-40° 20-25° 10-15° 50-60° 30-40° 20-25° 10-15° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME One cubic metre of water weighs 250 liters 1000 liters 500 liters 100 liters 250 liters 1000 liters 500 liters 100 liters ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH₁ × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The magnitude of water hammer depends upon the Speed at which the valve is closed Elastic properties of the liquid flowing through the pipe Elastic properties of the pipe material All of these Speed at which the valve is closed Elastic properties of the liquid flowing through the pipe Elastic properties of the pipe material All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/3 L/2 L/4 L L/3 L/2 L/4 L ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm² and a volume of 0.039 m3 at 150 kg/cm². The bulk modulus of elasticity of liquid is 40 × 10⁶ kg/cm² 4000 kg/cm² 400 kg/cm² 40 × 10⁵ kg/cm² 40 × 10⁶ kg/cm² 4000 kg/cm² 400 kg/cm² 40 × 10⁵ kg/cm² ANSWER DOWNLOAD EXAMIANS APP
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