Hydraulics and Fluid Mechanics in ME
In series-pipe problems

the discharge through each pipe is added to obtain total discharge
the head loss is same through each pipe
the discharge is same through each pipe
a trial solution is not necessary

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
Buoyant force is

The resultant force on a body due to the fluid surrounding it
The resultant force acting on a floating body
Equal to the volume of liquid displaced
The force necessary to maintain equilibrium of a submerged body

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
Mach number is significant in

supersonics, as with projectiles and jet propulsion
full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc
all of fhe above
simultaneous motion through two fluids where there is a surface of dis-continuity, gravity force, and wave making effects, as with ship’s hulls

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
The meatcentric height is the distance between the

Original centre of buoyancy and new 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
Metacentre and centre of buoyancy

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure

Increases as the square of the radial distance
Varies as the square of the radial distance
Decreases as the square of the radial distance
Increases linearly as its radial distance

ANSWER DOWNLOAD EXAMIANS APP