Hydraulics and Fluid Mechanics in ME A flow is called sub-sonic, if the Mach number is More than 6 Unity Less than unity Between 1 and 6 More than 6 Unity Less than unity Between 1 and 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The absolute pressure is equal to Gauge pressure - atmospheric pressure Gauge pressure - vacuum pressure Gauge pressure + atmospheric pressure Atmospheric pressure - gauge pressure Gauge pressure - atmospheric pressure Gauge pressure - vacuum pressure Gauge pressure + atmospheric pressure Atmospheric pressure - gauge pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of fluid due to hammer blow is Inversely proportional to density of fluid Directly proportional to (density)1/2 of fluid Directly proportional to density of fluid Inversely proportional to (density)1/2 of fluid Inversely proportional to density of fluid Directly proportional to (density)1/2 of fluid Directly proportional to density of fluid Inversely proportional to (density)1/2 of fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic mean depth or the hydraulic radius is the ratio of Velocity of flow and area of flow Wetted perimeter and diameter of pipe Area of flow and wetted perimeter None of these Velocity of flow and area of flow Wetted perimeter and diameter of pipe Area of flow and wetted perimeter None of these 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 (225)1/3 minutes 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called Positive gauge pressure Vacuum pressure Absolute pressure Gauge pressure Positive gauge pressure Vacuum pressure Absolute pressure Gauge pressure ANSWER DOWNLOAD EXAMIANS APP
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