Q. Pick out the wrong statement pertaining to fluid flow.

View solution

Q. A Newtonion liquid (ρ = density, μ = viscosity) is flowing with velocity v in a tube of diameter 'D'. Let Δp be the pressure drop across the length 'L'. For a laminar flow, Δp is proportional to

View solution

Q. While starting a centrifugal pump, its delivery valve should be kept

View solution

Q. For flow past a flat plate, if x is the distance along the plate in the direction of flow, the boundary layer thickness is proportional to

View solution

Q. In case of venturimeters, friction losses are about __________ percent of maximum velocity head.

View solution

Q. With increase in the schedule number of a pipe of a particular nominal size, the

View solution

Q. Turbine impeller

View solution

Q. Friction produced by the formation of wakes is called the __________ friction.

View solution

Q. For liquid flow through a packed bed, the superficial velocity as compared to average velocity through the channel in the bed is

View solution

Q. For a reciprocating pump, the indicator diagram is the graph between the

View solution

Q. The most important factor, which determines the maximum height to which water can be lifted by a pump at standard temperature is the

View solution

Q. High specific speed of a pump implies that, it is a/an __________ pump.

View solution

Q. A gas (density = 1.5 kg/m³ , viscosity = 2x 10⁻⁵ kg/m.s) flowing through a packed bed (particle size = 0.5 cm, porosity = 0.5) at a superficial velocity of 2 m/s causes a pressure drop of 8400 Pa/m. The pressure drop for another gas, with density of 1.5 kg/m³and viscosity of 3 x 10⁻⁵ kg/m.s flowing at 3 m/s will be

View solution

Q. Cocks are used to control

View solution

Q. If in a flow field, between any two points, then the flow must be

View solution

Q. The dimension of surface tension is

View solution

Q. Pick out the correct statement.

View solution

Q. The friction factor is

View solution

Q. The rate of change of moment of momentum represents the __________ by the fluid.

View solution

Q. Cd for the orifice plate varies from

View solution