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 In a depressed nappe The pressure below the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric The pressure above the nappe is negative ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power absorbed (in watts) in overcoming the viscous resistance of a footstep bearing is μ π³ N² R⁴ /1800 t μ π³ N² R² /3600 t μ π³ N² R² /1800 t μ π³ N² R⁴ /3600 t μ π³ N² R⁴ /1800 t μ π³ N² R² /3600 t μ π³ N² R² /1800 t μ π³ N² R⁴ /3600 t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity is defined as the ratio of Actual velocity of jet at vena contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge Area of jet at vena contracta to the area of orifice None of these Actual velocity of jet at vena contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge Area of jet at vena contracta to the area of orifice None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Meta-centric height is given as the distance between Center of buoyancy and metacenter The center of gravity of the body and the center of pressure The center of gravity of the body and the center of buoyancy The center of gravity of the body and the metacenter Center of buoyancy and metacenter The center of gravity of the body and the center of pressure The center of gravity of the body and the center of buoyancy The center of gravity of the body and the metacenter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the ratio's of the corresponding forces acting at corresponding points are equal, then the model and the prototype are said to have. Geometric similarity Dynamic similarity Kinematic similarity None of these Geometric similarity Dynamic similarity Kinematic similarity None of these ANSWER DOWNLOAD EXAMIANS APP