Hydraulics and Fluid Mechanics in ME When an ideal fluid flows past a sphere highest intensity of pressure occurs around the circumference at right angles to flow total drag is zero lowest pressure intensity occurs at rear stagnation point lowest pressure intensity occurs at front stagnation point highest intensity of pressure occurs around the circumference at right angles to flow total drag is zero lowest pressure intensity occurs at rear stagnation point lowest pressure intensity occurs at front stagnation point ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to 0.1 0.01 0.0001 0.001 0.1 0.01 0.0001 0.001 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity of venturimeter decreases with higher Reynolds number is equal to the coefficient of discharge of venturimeter None of these is independent of Reynolds number decreases with higher Reynolds number is equal to the coefficient of discharge of venturimeter None of these is independent of Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 x (225)3/2 minutes 4 x V225 minutes 4 minutes 4 (225)1/3 minutes 4 x (225)3/2 minutes 4 x V225 minutes 4 minutes 4 (225)1/3 minutes ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger) (p/W) × (A/a) (W/p) × (A/a) (p/W) × (a/A) (W/p) × (a/A) (p/W) × (A/a) (W/p) × (A/a) (p/W) × (a/A) (W/p) × (a/A) ANSWER DOWNLOAD EXAMIANS APP
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