Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.577 D 0.223 D 0.707 D 0.423 D 0.577 D 0.223 D 0.707 D 0.423 D ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of water is __________ than that of mercury. Lower Same as None of these Higher Lower Same as None of these Higher ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is one-fourth its value when cylinder was full cannot be predicted from the given data zero one-half its value when cylinder was full one-fourth its value when cylinder was full cannot be predicted from the given data zero one-half its value when cylinder was full ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the liquids with rise in temperature Unpredictable Remain unaffected Increases Decreases Unpredictable Remain unaffected Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately 30 mm 10 mm 20 mm 5 mm 30 mm 10 mm 20 mm 5 mm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reciprocating pump, air vessels are used to Reduce suction head Smoothen the flow Reduce acceleration head Increase delivery head Reduce suction head Smoothen the flow Reduce acceleration head Increase delivery head ANSWER DOWNLOAD EXAMIANS APP
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