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 of fan speed Square root of fan speed Cube of fan speed Directly as fan speed Square of fan speed Square root of fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will sink down if None of these Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid None of these Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The units of dynamic or absolute viscosity are newton-sec per meter newton-sec² per meter metres² per sec kg sec/meter newton-sec per meter newton-sec² per meter metres² per sec kg sec/meter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (ω) rad/s about its vertical axis, is π w ω² r²/4g π w ω² r³/4g π w ω² r²/2g π w ω² r⁴/4g π w ω² r²/4g π w ω² r³/4g π w ω² r²/2g π w ω² r⁴/4g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Manning's formula, the discharge through an open channel is (where M = Manning's constant) A × M × m1/2 × i2/3 A1/2 × M2/3 × m × i A2/3 × M1/3 × m × i A × M × m2/3 × i1/2 A × M × m1/2 × i2/3 A1/2 × M2/3 × m × i A2/3 × M1/3 × m × i A × M × m2/3 × i1/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Critical velocity Velocity of approach Sub-sonic velocity Super-sonic velocity Critical velocity Velocity of approach Sub-sonic velocity Super-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
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