Q. Viscosity of water is about __________ times that of air at room temperature.

View solution

Q. Net positive suction head (NPSH) of a centrifugal pump must be

View solution

Q. Actual lift of a pump is always less than the theoretical lift and is limited by the

View solution

Q. In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow?

View solution

Q. Nature of fluid flow during the opening of a valve in a pipeline is

View solution

Q. The __________ pressure is measured by a static tube.

View solution

Q. The speed of a sound wave in a gas is analogous to the speed of

View solution

Q. Mercury is an ideal barometric fluid mainly due to its

View solution

Q. A spherical particle is falling slow in a viscous liquid such that Reynolds number is less than 1. Which statement is correct for this situation ?

View solution

Q. A gas

View solution

Q. For motion of spherical particles in a stationary fluid, the drag co-efficient in hindered settling compared to that in free settling is

View solution

Q. Specific speed of a centrifugal pump relates it with another pump having the

View solution

Q. Air vessel fitted to a reciprocating pump

View solution

Q. Deformation drag, which is caused by widespread deformation of fluid around the immersed body

View solution

Q. In isotropic turbulence, the __________ are equal to each other.

View solution

Q. Pitot tube measures the __________ of a fluid.

View solution

Q. Which of the following is not dimension-less?

View solution

Q. In laminar flow through a round tube, the discharge varies

View solution

Q. Which is not a variable head meter ?

View solution

Q. The pipe wall thickness is minimum for a pipe of given nominal size having schedule number

View solution