Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Less than the vapour pressure of the liquid Greater than the vapour pressure of the liquid Less than barometric pressure Equal to the vapour pressure of the liquid Less than the vapour pressure of the liquid Greater than the vapour pressure of the liquid Less than barometric pressure Equal to the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity) 1.2 Vavg 1.5 Vavg Vavg 1.8 Vavg 1.2 Vavg 1.5 Vavg Vavg 1.8 Vavg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equation given below is called the __________ . f-0.5 = 4.07 loge (NRe√f)-0.6 None of these Colebrook formula Von-Karman equation Fanning equation None of these Colebrook formula Von-Karman equation Fanning equation ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The head loss in turbulent flow in a pipe varies Inversely as the velocity As (velocity)² As velocity Inversely as the square of diameter Inversely as the velocity As (velocity)² As velocity Inversely as the square of diameter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when Prandtl number is one Schmidt number tends to infinity Nusselt number tends to infinity Archimedes number is greater than 10000 Prandtl number is one Schmidt number tends to infinity Nusselt number tends to infinity Archimedes number is greater than 10000 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Cavitation in a centrifugal pump results from High discharge pressure Low barometric pressure High discharge velocity High discharge rate High discharge pressure Low barometric pressure High discharge velocity High discharge rate ANSWER DOWNLOAD EXAMIANS APP
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