Hydraulics and Fluid Mechanics in ME Axial flow pump is started with its delivery valve Kept 50% open Kept fully closed Irrespective of any position Kept fully open Kept 50% open Kept fully closed Irrespective of any position Kept fully open ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For centrifugal pump impeller, the maximum value of the vane exit angle is 15° to 20° 10° to 15° 20° to 25° 25° to 30° 15° to 20° 10° to 15° 20° to 25° 25° to 30° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The bulk modulus of elasticity with increase in pressure decreases remains constant increases increases first upto certain limit and then decreases decreases remains constant increases increases first upto certain limit and then decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, centre of pressure is Below be centre of gravity At the centre of gravity Above the centre of gravity Could be above or below e.g. depending on density of body and liquid Below be centre of gravity At the centre of gravity Above the centre of gravity Could be above or below e.g. depending on density of body and liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary Inversely as square root of density As square of density Directly as the air or gas density Inversely as density Inversely as square root of density As square of density Directly as the air or gas density Inversely as density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of turbine is defined as the speed of a unit Of such a size that it delivers unit discharge at unit power Of such a size that it requires unit power per unit head Of such a size that it delivers unit discharge at unit head Of such a size that it produces unit horse power with unit head Of such a size that it delivers unit discharge at unit power Of such a size that it requires unit power per unit head Of such a size that it delivers unit discharge at unit head Of such a size that it produces unit horse power with unit head ANSWER DOWNLOAD EXAMIANS APP
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