Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water to the boilers? Airlift pump Jet pump Reciprocating pump Centrifugal pump Airlift pump Jet pump Reciprocating pump Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as Steady flow Turbulent flow Uniform flow Vortex flow Steady flow Turbulent flow Uniform flow Vortex flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. None of these Lower than Same as Higher than None of these Lower than Same as Higher than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice. Equal to One-third One-half One-fourth Equal to One-third One-half One-fourth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge 0.75 Q 1.5 Q Same quantity of liquid Q/0.75 0.75 Q 1.5 Q Same quantity of liquid Q/0.75 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2000 is called Super-sonic velocity Lower critical velocity Higher critical velocity Sub-sonic velocity Super-sonic velocity Lower critical velocity Higher critical velocity Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP