Hydraulics and Fluid Mechanics in ME Coefficient of contraction is the ratio of Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the gases with rise in temperature unpredictable remains unaffected increases decreases unpredictable remains unaffected increases decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For laminar flow in circular pipes, the Darcy’s friction factor f is equal to 32/ Re None of these 64/ Re 16/Re 32/ Re None of these 64/ Re 16/Re ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vessel of 4 m3 contains oil which weighs 30 kN. The specific weight of the oil is 10 kN/m3 7.5 kN/m3 6 kN/m3 4.5 kN/m3 10 kN/m3 7.5 kN/m3 6 kN/m3 4.5 kN/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipe systems can be said to be equivalent, when the following quantities are same Length and diameter Friction factor and diameter Friction loss and flow Flow and length Length and diameter Friction factor and diameter Friction loss and flow Flow and length ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta. Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
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