Hydraulics and Fluid Mechanics in ME In a reciprocating pump, air vessels are used to Smoothen the flow Increase delivery head Reduce suction head Reduce acceleration head Smoothen the flow Increase delivery head Reduce suction head Reduce acceleration head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For manometer, a better liquid combination is one having lower surface tension higher surface tension high density and viscosity surface tension is no criterion lower surface tension higher surface tension high density and viscosity surface tension is no criterion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A large Reynold number is indication of Steady flow Smooth and streamline flow Laminar flow Highly turbulent flow Steady flow Smooth and streamline flow Laminar flow Highly turbulent flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is v₂²/2g 0.375 v₂²/2g 0.5 v₁²/2g v₁²/2g v₂²/2g 0.375 v₂²/2g 0.5 v₁²/2g v₁²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME During the opening of a valve in a pipe line, the flow is Laminar Uniform Steady Unsteady Laminar Uniform Steady Unsteady 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 Vacuum pressure Absolute pressure Positive gauge pressure Gauge pressure Vacuum pressure Absolute pressure Positive gauge pressure Gauge pressure ANSWER DOWNLOAD EXAMIANS APP
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