Hydraulics and Fluid Mechanics in ME If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be 3 meters of water column 5 meters of water column 2 meters of water column 6 meters of water Column 3 meters of water column 5 meters of water column 2 meters of water column 6 meters of water Column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centrifugal pump preferred for a specific speed between 80 to 160 r.p.m. is High speed with mixed flow at outlet Slow speed with radial flow at outlet High speed with radial flow at outlet Medium speed with radial flow at outlet High speed with mixed flow at outlet Slow speed with radial flow at outlet High speed with radial flow at outlet Medium speed with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Geometric similarity is said to exist between the model and the prototype, if both of them Are identical in shape, but differ only in size Are equal in size and shape Have identical forces Have identical velocities Are identical in shape, but differ only in size Are equal in size and shape Have identical forces Have identical velocities ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by 2V/(vr + v) 2V/(vr - v) V/(vr - v) V/(vr + v) 2V/(vr + v) 2V/(vr - v) V/(vr - v) V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of resistance is the ratio of 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 discharge through an orifice to the theoretical discharge Actual velocity of jet at vena-contracta to the theoretical velocity 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 discharge through an orifice to the theoretical discharge Actual velocity of jet at vena-contracta to the theoretical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in reaction turbines is avoided, to a great extent by Installing the turbine below the tail race level All of these Providing highly polished blades to the runner Using stainless steel runner of the turbine Installing the turbine below the tail race level All of these Providing highly polished blades to the runner Using stainless steel runner of the turbine ANSWER DOWNLOAD EXAMIANS APP
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