Q. The hydraulic diameter of an annulus of inner and outer radii Rᵢ and R₀ respectively is

View solution

Q. Ratio of inertial forces to surface tension forces is called the __________ number.

View solution

Q. In open channel flow in a rectangular channel, the ratio between the critical depth and the initial depth, when a hydraulic jump occurs is

View solution

Q. The ratio of inertial forces to viscous forces is called the __________ number.

View solution

Q. Enamels and paints are generally __________ fluid.

View solution

Q. With the increase in depth, the hydrostatic pressure in an unaccelerated incompressible fluid (in a constant gravitational field)

View solution

Q. Flow measurement in an open channel is done by a/an

View solution

Q. Newton's law of viscosity relates the

View solution

Q. Applicability of Bernoulli's equation is limited to a/an __________ fluid, that does not exchange shaft work with the surroundings.

View solution

Q. Water is flowing at 1 m/sec through a pipe (of 10 cm I.D) with a right angle bend. The force in Newtons exerted on the bend by water is

View solution

Q. The time of oscillation of a floating body is

View solution

Q. What is the value of Fanning friction factor ' f ' for smooth pipe at Nʀₑ = 10⁶ approximately ?

View solution

Q. In magnetic flow meters, voltage generation is

View solution

Q. When a fluid flows over a solid surface, the

View solution

Q. Pick out the wrong statement about cavitation.

View solution

Q. The maximum delivery pressure of a reciprocating compressor may be about __________ kg/cm².

View solution

Q. The velocity for subsonic flow in a pipeline

View solution

Q. Permanent pressure loss in a well designed venturimeter is about __________ percent of the venturi differential.

View solution

Q. Minimum fluidisation velocity for a specific system depends upon the

View solution

Q. Potential flow is characterised by the

View solution