Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Not possible Trimming the impeller size to the required size by machining Designing new impeller Some other alterations in the impeller Not possible Trimming the impeller size to the required size by machining Designing new impeller Some other alterations in the impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an outward flow reaction turbine The flow of water is partly radial and partly axial The water enters the wheel at the outer periphery and then flows towards the centre of the wheel The water flows parallel to the axis of the wheel The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel The flow of water is partly radial and partly axial The water enters the wheel at the outer periphery and then flows towards the centre of the wheel The water flows parallel to the axis of the wheel The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2000 is called Lower critical velocity Super-sonic velocity Higher critical velocity Sub-sonic velocity Lower critical velocity Super-sonic velocity Higher critical velocity Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of the liquid __________ with rise in temperature. Increases None of these Remain unaffected Decreases Increases None of these Remain unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, in the direction of flow of the liquid, is known as Lift Drag Stagnation pressure Bulk modulus Lift Drag Stagnation pressure Bulk modulus ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Multistage centrifugal pumps are used to Produce high heads All of these Pump viscous fluids Give high discharge Produce high heads All of these Pump viscous fluids Give high discharge ANSWER DOWNLOAD EXAMIANS APP
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