Hydraulics and Fluid Mechanics in ME The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) 1.585 a.√(2gH) 5.85 aH.√(2g) 1.855 aH.√(2g) 0.855 a.√(2gH) 1.585 a.√(2gH) 5.85 aH.√(2g) 1.855 aH.√(2g) 0.855 a.√(2gH) 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. Hydraulic None of these Mechanical Overall Hydraulic None of these Mechanical Overall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as None of these Specific speed Normal speed Unit speed None of these Specific speed Normal speed Unit speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a reaction turbine ___ with the increase in unit speed. Remain same Increases None of the listed here Decreases Remain same Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies Square root of fan speed Square of fan speed Directly as fan speed Cube of fan speed Square root of fan speed Square of fan speed Directly as fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Reynolds number is More than 4000 Less than 4000 Less than 2000 Between 2000 and 4000 More than 4000 Less than 4000 Less than 2000 Between 2000 and 4000 ANSWER DOWNLOAD EXAMIANS APP