Hydraulics and Fluid Mechanics in ME According to Manning's formula, the discharge through an open channel is (where M = Manning's constant) A1/2 × M2/3 × m × i A2/3 × M1/3 × m × i A × M × m1/2 × i2/3 A × M × m2/3 × i1/2 A1/2 × M2/3 × m × i A2/3 × M1/3 × m × i A × M × m1/2 × i2/3 A × M × m2/3 × i1/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is 14π R5/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most efficient section of a channel is Trapezoidal Triangular Rectangular Square Trapezoidal Triangular Rectangular Square ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Square of fan speed Cube of fan speed Directly as fan speed Square root of fan speed Square of fan speed Cube of fan speed Directly as fan speed Square root of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship is given by [(Vr + v) v]/ Vr [2(Vr + v) v]/ Vr² [2(Vr - v) v]/ Vr² [(Vr - v) v]/ Vr [(Vr + v) v]/ Vr [2(Vr + v) v]/ Vr² [2(Vr - v) v]/ Vr² [(Vr - v) v]/ Vr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Rain drops are spherical because of air resistance surface tension forces viscosity atmospheric pressure air resistance surface tension forces viscosity atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP