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 In a free nappe, The pressure below the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is negative The pressure above the nappe is atmospheric ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is the Ratio of the work done on the wheel to the energy of the jet None of these Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine Ratio of the actual work available at the turbine to the energy imparted to the wheel Ratio of the work done on the wheel to the energy of the jet None of these Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine Ratio of the actual work available at the turbine to the energy imparted to the wheel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of the liquid __________ with rise in temperature. None of these Remain unaffected Increases Decreases None of these Remain unaffected Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following manometer has highest sensitivity inclined U-tube U-tube with water micro-manometer with water U-tube with mercury inclined U-tube U-tube with water micro-manometer with water U-tube with mercury ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a channel of rectangular section will be maximum, if Its depth is twice the breadth Its depth is thrice the breadth Its breadth is thrice the depth Its breadth is twice the depth Its depth is twice the breadth Its depth is thrice the breadth Its breadth is thrice the depth Its breadth is twice the depth ANSWER DOWNLOAD EXAMIANS APP
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