Hydraulics and Fluid Mechanics in ME The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called Capillarity Compressibility Surface tension Viscosity Capillarity Compressibility Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Some other alterations in the impeller Trimming the impeller size to the required size by machining Not possible Designing new impeller Some other alterations in the impeller Trimming the impeller size to the required size by machining Not possible Designing new impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is between d and 1.5 d less than d greater than 2d between 1.5 d and 2d between d and 1.5 d less than d greater than 2d between 1.5 d and 2d ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Barometer is used to measure Difference of pressure between two points Pressure in pipes, channels etc. Atmospheric pressure Very low pressure Difference of pressure between two points Pressure in pipes, channels etc. Atmospheric pressure Very low pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel) (q³/g)1/4 (q/g)1/2 (q⁴/g)1/5 (q²/g)1/3 (q³/g)1/4 (q/g)1/2 (q⁴/g)1/5 (q²/g)1/3 ANSWER DOWNLOAD EXAMIANS APP
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) 0.855 a.√(2gH) 1.855 aH.√(2g) 5.85 aH.√(2g) 1.585 a.√(2gH) 0.855 a.√(2gH) 1.855 aH.√(2g) 5.85 aH.√(2g) ANSWER DOWNLOAD EXAMIANS APP
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