Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Not possible Trimming the impeller size to the required size by machining Designing new impeller Some other alterations in the impeller Not possible Trimming the impeller size to the required size by machining Designing new impeller Some other alterations in the impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reciprocating pump, air vessels are used to Smoothen the flow Increase delivery head Reduce acceleration head Reduce suction head Smoothen the flow Increase delivery head Reduce acceleration head Reduce suction head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The jet ratio is defined as the ratio of the Velocity of Pelton wheel to the velocity of jet Velocity of jet to the velocity of Pelton wheel Diameter of Pelton wheel to the diameter of jet Diameter of jet to the diameter of Pelton wheel Velocity of Pelton wheel to the velocity of jet Velocity of jet to the velocity of Pelton wheel Diameter of Pelton wheel to the diameter of jet Diameter of jet to the diameter of Pelton wheel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Ratio of inertia force to surface Jension is known as Froude number Weber’s number Mach number Reynold’s number Froude number Weber’s number Mach number Reynold’s number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an outward flow reaction turbine The water enters the wheel at the outer periphery and then flows towards the centre of the wheel The flow of water is partly radial and partly axial The water flows parallel to the axis of the wheel The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel The water enters the wheel at the outer periphery and then flows towards the centre of the wheel The flow of water is partly radial and partly axial The water flows parallel to the axis of the wheel The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is _______ of the jet velocity, Three-fourth One-fourth Double One-half Three-fourth One-fourth Double One-half ANSWER DOWNLOAD EXAMIANS APP
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