Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is Less than unity Between 1 and 6 None of these Unity Less than unity Between 1 and 6 None of these Unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of air __________ with the increase of height from the surface of the earth. Increases None of these Decreases Does not change Increases None of these Decreases Does not change ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Causes sudden drop in power output and efficiency Reduces the discharge of a turbine Causes noise and vibration of various parts All of these Causes sudden drop in power output and efficiency Reduces the discharge of a turbine Causes noise and vibration of various parts All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) 0.855 a.√(2gH) 5.85 aH.√(2g) 1.855 aH.√(2g) 1.585 a.√(2gH) 0.855 a.√(2gH) 5.85 aH.√(2g) 1.855 aH.√(2g) 1.585 a.√(2gH) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Axial flow pump is started with its delivery valve Kept fully closed Kept 50% open Kept fully open Irrespective of any position Kept fully closed Kept 50% open Kept fully open Irrespective of any position ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Multistage centrifugal pumps are used to obtain High head and high discharge High discharge High head Pumping of viscous fluids High head and high discharge High discharge High head Pumping of viscous fluids ANSWER DOWNLOAD EXAMIANS APP
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