Hydraulics and Fluid Mechanics in ME A balloon lifting in air follows the following principle All of these law of gravitation principle of buoyancy Archimedes principle All of these law of gravitation principle of buoyancy Archimedes principle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the surface of liquid is convex, men Cohesion pressure is decreased Cohesion pressure is increased There is no cohesion pressure Cohesion pressure is negligible Cohesion pressure is decreased Cohesion pressure is increased There is no cohesion pressure Cohesion pressure is negligible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be 2A × √H₁/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × (√H₁ - √H₂)/Cd × a × √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an inward flow reaction turbine The water enters at the center of the wheel and then flows towards the outer periphery of the wheel The flow of water is partly radial and partly axial The water flows parallel to the axis of the wheel The water enters the wheel at the outer periphery and then flows towards the center of the wheel The water enters at the center of the wheel and then flows towards the outer periphery of the wheel The flow of water is partly radial and partly axial The water flows parallel to the axis of the wheel The water enters the wheel at the outer periphery and then flows towards the center of the wheel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An air vessel is provided at the summit in a siphon to Avoid interruption in the flow Maintain pressure difference Increase discharge Increase velocity Avoid interruption in the flow Maintain pressure difference Increase discharge Increase velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L L/3 L/2 L/4 L L/3 L/2 L/4 ANSWER DOWNLOAD EXAMIANS APP