Hydraulics and Fluid Mechanics in ME The specific gravity of an oil whose specific weight is 7.85 kN/m3, is 0.8 1.6 1.2 1 0.8 1.6 1.2 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Hm Q) / ηo (w Q ηo) / Hm (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Q ηo) / Hm (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the depth of water in an open channel is greater than the critical depth, the flow is called Torrential flow Turbulent flow Tranquil flow Critical flow Torrential flow Turbulent flow Tranquil flow Critical flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a tank containing liquid moves with an acceleration in the horizontal direction, then the free surface of the liquid Becomes curved Falls on the front end Falls on the back end Remains horizontal Becomes curved Falls on the front end Falls on the back end Remains horizontal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hypersonic flow, the Mach number is greater than unity greater than 4 greater than 2 unity greater than unity greater than 4 greater than 2 unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surface tension Decreases with fall in temperature Is a function of the curvature of the interface Acts in the plane of the interface normal to any line in the surface Is also known as capillarity Decreases with fall in temperature Is a function of the curvature of the interface Acts in the plane of the interface normal to any line in the surface Is also known as capillarity ANSWER DOWNLOAD EXAMIANS APP
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