Hydraulics and Fluid Mechanics in ME The liquid used in manometers should have High surface tension Low density High density Low surface tension High surface tension Low density High density Low surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The center of gravity of the volume of the liquid displaced by an immersed body is called center of pressure center of buoyancy metacentre center of gravity center of pressure center of buoyancy metacentre center of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) 4wd/σ cosα 4σ cosα/wd wd/4σ cosα σ cosα/4wd 4wd/σ cosα 4σ cosα/wd wd/4σ cosα σ cosα/4wd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In case of an airfoil, the separation of flow occurs midway between rear and front of body any where between rear and front of body depending upon Reynolds number at the extreme rear of body at the extreme front of body midway between rear and front of body any where between rear and front of body depending upon Reynolds number at the extreme rear of body at the extreme front of body 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 same higher lower/higher depending on weight of body lower same higher lower/higher depending on weight of body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters) wQHd wQ (Hs + Hd) wQHs wQ (Hs - Hd) wQHd wQ (Hs + Hd) wQHs wQ (Hs - Hd) ANSWER DOWNLOAD EXAMIANS APP