The speed of sound in an ideal gas varies as the
Check valves are used
A venturimeter measures the
Path followed by water jet issuing from the bottom of a water tank will be a
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.
Location of vena-contracta in an orificemeter does not depend upon the
One dimensional fluid flow implies the
The flow of gas along a pipe in the direction of decreasing pressure causes decrease in its
Foot valve provided in the pump is a __________ valve.
The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length.
A perfect gas
Which of the following is a dimensionless parameter ?
N. second/m2 is
The maximum head that can be developed by a single impeller is __________ ft.
Gradually varying fluid flow is an example of __________ flow.
In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the __________ efficiency.
Which of the following produces maximum pressure difference for transportation of gases ?
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 ?
At low Reynolds number
The buoyant force acting on a floating body is dependent on the
__________ forces act on a particle moving through a stationary fluid.
Centrifugal pump can't be used to pump
The discharge co-efficient for an orificemeter does not depend upon the
Select the correct practical example of steady non-uniform flow.
The temperature in isentropic flow
Drag is the force component exerted on an immersed object,
Boundary layer exists in flow
For laminar flow through a closed conduit
A stream line is
Hydraulic diameter for non-circular ducts is equal to __________ times the area of flow divided by the perimeter.
For liquid flow through a packed bed, the superficial velocity as compared to average velocity through the channel in the bed is
Rubber latex is an example of a __________ .fluid.
To handle smaller quantity of fluid at higher discharge pressure, use a __________ pump.
Rubber latex is an example of __________ fluid.
The maximum head that can be developed by a single impeller is __________ ft.
In Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass varies as the __________ of its diameter.
As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1
N. second/m2 is
For a reciprocating pump, the indicator diagram is the graph between the
Which of the following factors does not contribute to the pressure drop in a pipeline ?
Velocity head on sudden enlargement in a horizontal pipe is converted into __________ head.
Which of the following produces maximum pressure difference for transportation of gases ?
Unsteady uniform flow is represented by flow through a/an
The most important factor, which determines the maximum height to which water can be lifted by a pump at standard temperature is the
The phenomenon occuring during pumping of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as
High specific speed of a pump implies that, it is a/an __________ pump.
Working of a __________ pump characterises mixed flow.
A Newtonion fluid is that

A Newtonion fluid is that

A gas (density = 1.5 kg/m3 , viscosity =10-5 kg/m.s) flowing through a packed bed (particle size = 0.5 cm, porosity = 0.at a superficial velocity of 2 m/s causes a pressure drop ofPa/m. The pressure drop for another gas, with density of 1.5kg/m3and viscosity of 3 x 10-5kg/m.s flowing at 3 m/s will be