Hydraulics and Fluid Mechanics in ME When the Mach number is more than 6, the flow is called Sonic flow Sub-sonic flow Hyper-sonic flow Super-sonic flow Sonic flow Sub-sonic flow Hyper-sonic flow Super-sonic flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit power developed by a turbine is (where P = Power developed by the turbine under a head of water (H). P/ H3/2 P/ √H P/ H P/ H² P/ H3/2 P/ √H P/ H P/ H² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s) w × Q (H + hf) w × Q × H w × Q (H - hf) w × Q × hf w × Q (H + hf) w × Q × H w × Q (H - hf) w × Q × hf 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) × H2 (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2gH) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The Bernoulli's equation is based on the assumption that The velocity of flow is uniform across any cross-section of the pipe All of these There is no loss of energy of the liquid flowing No force except gravity acts on the fluid The velocity of flow is uniform across any cross-section of the pipe All of these There is no loss of energy of the liquid flowing No force except gravity acts on the fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in reaction turbines is avoided, to a great extent by Using stainless steel runner of the turbine Installing the turbine below the tail race level All of these Providing highly polished blades to the runner Using stainless steel runner of the turbine Installing the turbine below the tail race level All of these Providing highly polished blades to the runner ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS