Hydraulics and Fluid Mechanics in ME When the flow parameters at any given instant remain same at every point, then flow is said to be steady state laminar quasi static uniform steady state laminar quasi static uniform ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio of Francis turbine is defined as the ratio of the None of these Theoretical velocity of jet to the velocity of flow at inlet Velocity of runner at inlet to the velocity of flow at inlet Velocity of flow at inlet to the theoretical jet velocity None of these Theoretical velocity of jet to the velocity of flow at inlet Velocity of runner at inlet to the velocity of flow at inlet Velocity of flow at inlet to the theoretical jet velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be Double Four times Eight times Sixteen times Double Four times Eight times Sixteen times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will sink down if Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by V/(vr + v) 2V/(vr - v) V/(vr - v) 2V/(vr + v) V/(vr + v) 2V/(vr - v) V/(vr - v) 2V/(vr + v) 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 × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) ANSWER DOWNLOAD EXAMIANS APP