Hydraulics and Fluid Mechanics - Mechanical Engineering Questions and Answers

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

According to Bernoulli's equation

\(Z + \frac { P } { w } + \frac {v^2} {2g} = constant \)

\(Z + \frac { P } { w } - \frac {v^2} {2g} = constant \)

\(Z - \frac { P } { w } + \frac {v^2} {2g} = constant \)

\(Z - \frac { P } { w } - \frac {v^2} {2g} = constant \)

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

The ratio of the inertia force to the elastic force is called

Reynold's number

Froude's number

Weber's number

Mach number

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called

weir

notch

orifice

none of these

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (Ï‰) rad/s about its vertical axis, is

\(\frac {n w \omega^2 r^2} { 4g }\)

\(\frac {n w \omega^2 r^3} { 4g }\)

\(\frac {n w \omega^2 r^4} { 4g }\)

\(\frac {n w \omega^2 r^2} { 2g }\)