Q. Each term of the Bernoulli's equation written in the following form, represents the total energy per unit

View solution

Q. For one dimensional flow of an incompressible fluid in unsteady state in x-direction, the continuity equation is given by

View solution

Q. The inherent characteristic of an equal percentage valve relating flow rate 'q' with valve stem movement 'x' are described by the equation

View solution

Q. Curve III in the below diagram represents a/an

View solution

Q. Colebrook equation for friction factor in turbulent flow is given by following equation. It reduces to Nikuradse equation for a value of ε/D equal to

View solution

Q. The percentage slip in a reciprocating pump set is given by the % of (where, Q₁ = actual discharge Q₂ = theoretical discharge)

View solution

Q. A particle A of diameter 10 microns settles in an oil of specific gravity 0.9 and viscosity 10 poise under Stoke's law. A particle B with diameter 20 microns settling in the same oil will have a settling velocity

View solution

Q. The pitot static tube does not measure the __________ pressure.

View solution

Q. The fluid in which the shearing stress within it is proportional to the velocity gradient across the sheared section, is called a __________ fluid.

View solution

Q. In fluid flow, cavitation is caused, if the

View solution

Q. The ratio of the depth of flow to the hydraulic radius for the most economical trapezoidal section, in open channel flow is

View solution

Q. Which of the following denotes the effect of compressibility in fluid flow ?

View solution

Q. Nominal size of the discharge pipe of a pump is usually __________ the nominal size of the inlet pipe.

View solution

Q. The terminal velocity of a small sphere settling in a viscous fluid varies as the

View solution

Q. If the discharge of a centrifugal pump is throttled, then its suction lift

View solution

Q. Foot valves provided in pumps are __________ valves.

View solution

Q. With increasing flow rate, the hydraulic efficiency of a centrifugal pump

View solution

Q. The velocity profile for turbulent flow through a closed conduit is

View solution

Q. In case of hydraulically smooth pipe, the resistance to flow depends only on the Reynolds number, whereas for a hydraulically rough pipe, the resistance to flow is governed by the relative roughness. Two pipes are said to have the same hydraulic roughness, when they have equal values of

View solution

Q. Water hammer in a pipeline results from the

View solution