Q. The total head of a liquid particle in motion is equal to

View solution

Q. An internal mouthpiece is said to be running __________ if the length of the mouthpiece is more than three times the diameter of the orifice.

View solution

Q. The reciprocal of Euler's number is called Newton number.

View solution

Q. The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by

View solution

Q. The separation of flow occurs when the hydrodynamic boundary layer thickness is reduced to zero.

View solution

Q. If the depth of water in an open channel is less than the critical depth, the flow is called

View solution

Q. A nozzle placed at the end of a water pipe line discharges water at a

View solution

Q. When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called

View solution

Q. The total pressure on the top of a closed cylindrical vessel competely filled up with a liquid is

View solution

Q. Poise is the unit of viscosity in C.G.S. system of units.

View solution

Q. The discharge through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.

View solution

Q. When the Mach number is more than 6, the flow is called

View solution

Q. The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.

View solution

Q. Kinematic viscosity is the product of dynamic viscosity and the density of the liquid.

View solution

Q. A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a

View solution

Q. A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface.

View solution

Q. A nozzle is generally made of

View solution

Q. The unit of surface tension is

View solution

Q. The force of buoyancy is always __________ the weight of the liquid displaced by the body.

View solution

Q. The coefficient of discharge is the ratio of dieoretical discharge to the actual discharge through an orifice.

View solution