Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the pressure 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 0.855 a. √2gH 0.707 a. √2gH 0.5 a. √2gH √2gH 0.855 a. √2gH 0.707 a. √2gH 0.5 a. √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency for a Pelton wheel lies between 0.85 to 0.90 0.75 to 0.85 0.50 to 0.65 0.65 to 0.75 0.85 to 0.90 0.75 to 0.85 0.50 to 0.65 0.65 to 0.75 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film) μπ²NR³/60t μπ²NR/60t μπ²NR²/60t μπ²NR⁴/60t μπ²NR³/60t μπ²NR/60t μπ²NR²/60t μπ²NR⁴/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The meatcentric height is the distance between the Centre of gravity of the floating body and the metacentre Original centre of buoyancy and new centre of buoyancy Metacentre and centre of buoyancy Centre of gravity of the floating body and the centre of buoyancy Centre of gravity of the floating body and the metacentre Original centre of buoyancy and new centre of buoyancy Metacentre and centre of buoyancy Centre of gravity of the floating body and the centre of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid) None of the listed here ρ/K K/ρ K.ρ None of the listed here ρ/K K/ρ K.ρ ANSWER DOWNLOAD EXAMIANS APP