Hydraulics and Fluid Mechanics in ME The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to Buoyancy Bernoulli’s theorem Archimedes’ principle Equilibrium of a floating body Buoyancy Bernoulli’s theorem Archimedes’ principle Equilibrium of a floating body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will remain unaffected increase may increase or decrease depending on the characteristics of liquid decrease remain unaffected increase may increase or decrease depending on the characteristics of liquid decrease ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The coefficient of discharge for an external mouthpiece is 0.855 0.5 0.375 0.707 0.855 0.5 0.375 0.707 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The absolute pressure is equal to Gauge pressure - atmospheric pressure Gauge pressure - vacuum pressure Gauge pressure + atmospheric pressure Atmospheric pressure - gauge pressure Gauge pressure - atmospheric pressure Gauge pressure - vacuum pressure Gauge pressure + atmospheric pressure Atmospheric pressure - gauge pressure 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? Pelton wheel with two or more nozzles 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reciprocating pump, air vessels are used to Reduce acceleration head Increase delivery head Smoothen the flow Reduce suction head Reduce acceleration head Increase delivery head Smoothen the flow Reduce suction head ANSWER DOWNLOAD EXAMIANS APP
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