Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Cube of fan speed Directly as fan speed Square of fan speed Square root of fan speed Cube of fan speed Directly as fan speed Square of fan speed Square root of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece) √2gH 0.707 a. √2gH 0.855 a. √2gH 0.5 a. √2gH √2gH 0.707 a. √2gH 0.855 a. √2gH 0.5 a. √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A balloon lifting in air follows the following principle Archimedes principle principle of buoyancy law of gravitation All of these Archimedes principle principle of buoyancy law of gravitation All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Liquids transmit pressure equally in all the directions. This is according to Pascal's law Archimedes principle Newton's formula Boyle's law Pascal's law Archimedes principle Newton's formula Boyle's law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be 1.5 B.H.P H.P./0.75 Same 0.75 B.H.P 1.5 B.H.P H.P./0.75 Same 0.75 B.H.P ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The center of pressure of a surface subjected to fluid pressure is the point on the surface at which resultant pres-sure acts similar to metacentre on the surface at which gravitational force acis at which all hydraulic forces meet on the surface at which resultant pres-sure acts similar to metacentre on the surface at which gravitational force acis at which all hydraulic forces meet ANSWER DOWNLOAD EXAMIANS APP