Hydraulics and Fluid Mechanics in ME The time oscillation of a floating body with increase in meatcentric height will be Lower Higher Same Lower/higher depending on weight of body Lower Higher Same Lower/higher depending on weight of body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water to the boilers? Airlift pump Reciprocating pump Centrifugal pump Jet pump Airlift pump Reciprocating pump Centrifugal pump Jet pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surface tension Acts in the plane of the interface normal to any line in the surface Is also known as capillarity Decreases with fall in temperature Is a function of the curvature of the interface Acts in the plane of the interface normal to any line in the surface Is also known as capillarity Decreases with fall in temperature Is a function of the curvature of the interface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called Bernoulli’s equation Pascal’s law Continuity equation Archimedes’s principle Bernoulli’s equation Pascal’s law Continuity equation Archimedes’s principle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe) d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta. Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP