Hydraulics and Fluid Mechanics in ME The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm". The pressure at 2.5 m below the oil surface will be 2 metres of water column 3 metres of water column 4 m of water column 3.5 metres of water column 2 metres of water column 3 metres of water column 4 m of water column 3.5 metres of water column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.423 D 0.577 D 0.223 D 0.707 D 0.423 D 0.577 D 0.223 D 0.707 D ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) 2gH √(2gh) H × √(2g) 2g × √H 2gH √(2gh) H × √(2g) 2g × √H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which Develops unit power under unit head Develops unit power under unit speed Delivers unit discharge under unit head Delivers unit discharge under unit speed Develops unit power under unit head Develops unit power under unit speed Delivers unit discharge under unit head Delivers unit discharge under unit speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is an example of laminar flow? All of these Underground flow Flow of oil in measuring instruments Flow past tiny bodies All of these Underground flow Flow of oil in measuring instruments Flow past tiny bodies ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The tendency of a liquid surface to contract is due to the following property cohesion surface tension viscosity adhesion cohesion surface tension viscosity adhesion ANSWER DOWNLOAD EXAMIANS APP
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