Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Cube of fan speed Square root of fan speed Square of fan speed Directly as fan speed Cube of fan speed Square root of fan speed Square of fan speed Directly as fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Euler’s dimensionless number relates the following viscous force and inertial force inertial force and gravity pressure force and inertial force viscous force and buoyancy force viscous force and inertial force inertial force and gravity pressure force and inertial force viscous force and buoyancy force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the depth of water in an open channel is greater than the critical depth, the flow is called Turbulent flow Critical flow Torrential flow Tranquil flow Turbulent flow Critical flow Torrential flow Tranquil flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity) tanθ = 2 a/g tanθ = a/2g tanθ = a/g tanθ = a2/2g tanθ = 2 a/g tanθ = a/2g tanθ = a/g tanθ = a2/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s) w × Q × H w × Q × hf w × Q (H + hf) w × Q (H - hf) w × Q × H w × Q × hf w × Q (H + hf) w × Q (H - hf) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic grade line is always sloping downward in the direction of flow never above the energy grade line All of these always above the centre line of pipe always sloping downward in the direction of flow never above the energy grade line All of these always above the centre line of pipe ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS