Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the liquids with rise in temperature Remain unaffected Unpredictable Decreases Increases Remain unaffected Unpredictable Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is more than 6, the flow is called Hyper-sonic flow Sub-sonic flow Sonic flow Super-sonic flow Hyper-sonic flow Sub-sonic flow Sonic flow Super-sonic flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Resultant pressure of the liquid in the case of an immersed body acts through Metacentre Centre of gravity Centre of buoyancy Centre of pressure Metacentre Centre of gravity Centre of buoyancy Centre of pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger) (p/W) × (a/A) (W/p) × (A/a) (p/W) × (A/a) (W/p) × (a/A) (p/W) × (a/A) (W/p) × (A/a) (p/W) × (A/a) (W/p) × (a/A) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Practical fluids are compressible possess surface tension are viscous possess all the above properties are compressible possess surface tension are viscous possess all the above properties ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Sixteen times Double Eight times Four times Sixteen times Double Eight times Four times ANSWER DOWNLOAD EXAMIANS APP