Hydraulics and Fluid Mechanics in ME The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is 0.611 stoke 0.0116 stoke 0.0611 stoke 0.116 stoke 0.611 stoke 0.0116 stoke 0.0611 stoke 0.116 stoke ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Directly as fan speed Square root of fan speed Cube of fan speed Square of fan speed Directly as fan speed Square root of fan speed Cube of fan speed Square of fan speed ANSWER DOWNLOAD EXAMIANS APP
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 A turbine develops 10000 kW under a head of 25 meters at 135 r.p.m. Its specific speed is 241.5 r.p.m. 215.5 r.p.m. 275.4 r.p.m 175.4 r.p.m. 241.5 r.p.m. 215.5 r.p.m. 275.4 r.p.m 175.4 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power developed by a turbine is (where H = Head of water under which the turbine is working) Inversely proportional to H3/2 Inversely proportional to H1/2 Directly proportional to H3/2 Directly proportional to H1/2 Inversely proportional to H3/2 Inversely proportional to H1/2 Directly proportional to H3/2 Directly proportional to H1/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called sub-sonic, if the Mach number is Unity Less than unity More than 6 Between 1 and 6 Unity Less than unity More than 6 Between 1 and 6 ANSWER DOWNLOAD EXAMIANS APP
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