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 Square of fan speed Cube of fan speed Directly as fan speed Square root of fan speed Square of fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cv × Cr Cc × Cr Cc × Cv Cc/Cr Cv × Cr Cc × Cr Cc × Cv Cc/Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as Any one of these 9.81 × 10-6 N/mm3 9.81 kN/m3 9.81 × 103 N/m3 Any one of these 9.81 × 10-6 N/mm3 9.81 kN/m3 9.81 × 103 N/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A nozzle is generally made of Divergent shape Cylindrical shape Convergent shape Convergent-divergent shape Divergent shape Cylindrical shape Convergent shape Convergent-divergent shape ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head. Two-third One-third One-half None of these Two-third One-third One-half None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of actual work available at the turbine to the energy imparted to the wheel is known as ________ efficiency. Overall Hydraulic Mechanical None of these Overall Hydraulic Mechanical None of these ANSWER DOWNLOAD EXAMIANS APP
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