Q. The ratio of the wall drag to the form drag in the Stoke's law range (for motion of spherical particles in a stationary fluid) is

View solution

Q. For turbulent flow in smooth circular pipe, the velocity distribution is a function of the distance 'd' measured from the wall of the pipe and the friction velocity 'v', and it follows a __________ relationship.

View solution

Q. Maintenance cost of a __________ pump for a particular duty is the least.

View solution

Q. Choking in case of pipe flow means that a

View solution

Q. Velocity of liquid hydrocarbon fuels in a pipeline can not be measured by magnetic flowmeters, because their __________ is very low/small.

View solution

Q. The nominal size of a hose pipe is specified by its

View solution

Q. Transition from laminar flow to turbulent flow is aided by the

View solution

Q. For flow of fluids through packed bed, the superficial velocity is

View solution

Q. Cd is always __________ Cc.

View solution

Q. Buoyant force

View solution

Q. Which of the following options will facilitate the achievement of a very high head (say 30 metres) in case of a centrifugal pump?

View solution

Q. An equipotential line is __________ to the velocity vector at every point.

View solution

Q. Path followed by water jet issuing from the bottom of a water tank will be a

View solution

Q. Which of the following produces maximum pressure difference for transportation of gases ?

View solution

Q. Drag co-efficient in hindered settling is __________ that in free settling.

View solution

Q. Efficiency of power transmission (η) through a circular pipe is given by (ht - hf)/ht, which has a maximum value of __________ percent.

View solution

Q. One dimensional fluid flow implies the

View solution

Q. __________ forces act on a particle moving through a stationary fluid.

View solution

Q. Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases.

View solution

Q. Reynolds number is the ratio of

View solution