Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 + sin φ)/2 (1 - sin φ)/2 (1 + cos φ)/2 (1 - cos φ)/2 (1 + sin φ)/2 (1 - sin φ)/2 (1 + cos φ)/2 (1 - cos φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed ratio in case of Francis turbine varies from 0.6 to 0.9 0.4 to 0.5 0.15 to 0.3 1 to 1.5 0.6 to 0.9 0.4 to 0.5 0.15 to 0.3 1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME One poise is equal to 0.1 N-s/m2 1 N-s/m2 10 N-s/m2 100 N-s/m2 0.1 N-s/m2 1 N-s/m2 10 N-s/m2 100 N-s/m2 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 w × Q × hf w × Q (H + hf) w × Q (H - hf) w × Q × H w × Q × hf w × Q (H + hf) w × Q (H - hf) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Any change in load is adjusted by adjusting following parameter on turbine Net head Blade velocity Absolute velocity Flow Net head Blade velocity Absolute velocity Flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Runaway speed of a hydraulic turbine is The speed at which turbine runner will be damaged Full load speed The speed corresponding to maximum overload permissible The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open The speed at which turbine runner will be damaged Full load speed The speed corresponding to maximum overload permissible The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open ANSWER DOWNLOAD EXAMIANS APP
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