320) In an internal mouthpiece, if the jet after contraction does not touch the sides of the mouthpiece, then the mouthpiece is said to be

running full

running free

partially running full

partially running free

Answer is:

running free

decreases

increases

zero

none of these

Answer is:

concave

convex

neutral

none of these

Answer is:

the size of orifice is large

the velocity of flow is large

the available head of liquid is more than 5 times the height of orifice

the available head of liquid is less than 5 times the height of orifice

Answer is:

the liquid particles at all sectons have the same velocities

the liquid particles at different sections have different velocities

the quantity of liquid flowing per second is constant

each liquid particle has a definite path

Answer is: