Q. Terminal velocity is

View solution

Q. Consider two pipes of same length and diameter through which water is passed at the same velocity. The friction factor for rough pipe is f₁ and that for smooth pipe is f₂. Pick out the correct statement.

View solution

Q. For an incompressible fluid, the bulk modulus of elasticity is

View solution

Q. A fluid is a substance, that

View solution

Q. The pressure intensity is the same in all directions at a point in a fluid

View solution

Q. Quicksand is an example of a __________ fluid.

View solution

Q. Correction for capillary effect in manometers (used for pressure measurement) need not be applied, if diameter of the manometer tube is __________ mm.

View solution

Q. Differential manometer measures the

View solution

Q. The pressure and power requirement of a gas fan at constant speed & capacity varies __________ the gas density.

View solution

Q. Isothermal turbulent flow of a fluid results in decrease of its pressure, which depends on the

View solution

Q. In case of end to end connection of two or more pipes in series, the __________ each pipe.

View solution

Q. Which of the following equations applies to the fluid flow through a packed bed for very large Reynolds number ?

View solution

Q. The flow of gas along a pipe in the direction of decreasing pressure causes decrease in its

View solution

Q. Centrifugal pump can't be used to pump

View solution

Q. A stream line is

View solution

Q. Which of the following must be followed by the flow of a fluid (real or ideal)?

(I) Newton's law of viscosity.
(II) Newton's second law of motion.
(III) The continuity equation.
(IV) Velocity of boundary layer must be zero relative to boundary.
(V) Fluid cannot penetrate a boundary.

View solution

Q. Mach number is defined as the ratio of the local flow velocity to the sonic velocity in the fluid. For what value of Mach number, the gases are considered incompressible ?

View solution

Q. Boundary layer exists in flow

View solution

Q. Rubber latex is an example of __________ fluid.

View solution

Q. Velocity head on sudden enlargement in a horizontal pipe is converted into __________ head.

View solution