Hydraulics and Fluid Mechanics in ME In order to avoid cavitation in centrifugal pumps The suction pressure should be high The suction pressure should be low The delivery pressure should be low The delivery pressure should be high The suction pressure should be high The suction pressure should be low The delivery pressure should be low The delivery pressure should be high ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The coefficient of discharge for an external mouthpiece depends upon Area of mouthpiece Pressure of liquid Length of mouthpiece Velocity of liquid Area of mouthpiece Pressure of liquid Length of mouthpiece Velocity of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The time oscillation of a floating body with increase in metacentric height will be lower lower/higher depending on weight of body higher same lower lower/higher depending on weight of body higher same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used? Francis turbine Pelton wheel with one nozzle Kaplan turbine Pelton wheel with two or more nozzles Francis turbine Pelton wheel with one nozzle Kaplan turbine Pelton wheel with two or more nozzles ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary Inversely as density As square of density Directly as the air or gas density Inversely as square root of density Inversely as density As square of density Directly as the air or gas density Inversely as square root of density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of pressure head in case of laminar flow is proportional to Velocity (Velocity)4 (Velocity)3 (Velocity)2 Velocity (Velocity)4 (Velocity)3 (Velocity)2 ANSWER DOWNLOAD EXAMIANS APP
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