Normal depth in open channel flow is the depth of flow in the channel
Minimum porosity for fluidisation is
Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around
Froude number is not a factor
Which of the following is not dimension-less?
The __________ pressure is measured by a static tube.
Specific speed of a centrifugal pump depends upon the __________ head.
Which of the following is used for pumping crude oil from oil well ?
Discharge from ainch pipe of water atft/sec will be __________ ft3/sec.
Paper pulp is an example of __________ fluid.
Momentum transfer in laminar flow of fluids results due to the
For motion of spherical particles in a stationary fluid, the drag co-efficient in hindered settling compared to that in free settling is
Bernoulli's equation is not applicable, when the flow is
Viscosity of water is about __________ times that of air at room temperature.
In case of a centrifugal pump, the theoretical head developed is dependent on the __________ the impeller.
A hydraulic press has a ram ofcms in diameter and a plunger of 1 cm in diameter. The force required on the plunger to raise a weight oftons on the ram is __________ kg.
Open channel liquid flow is most conveniently measured by a
Which of the following is most prone to pulsating discharge flow ?
The ratio of the depth of flow to the diameter of the channel for maximum discharge in a circular channel in open channel flow is
Which of the following flow measuring devices is an area meter ?
With decrease in particle size to be fluidised by a particular fluid, the operating range of fluidisation velocity
A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now
Steady non-uniform flow is exemplified by flow through a/an
Centrifugal pumps as compared to reciprocating pumps
What type of motion the fluid element undergoes, when it changes from one position to another position, such that the angle between the two sides change ?
If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor).
In laminar flow through a round tube, the discharge varies
The speed of a sound wave in a gas is analogous to the speed of
Navier-Stokes equation is useful in the analysis of __________ fluid flow problems.
The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the
The capillary rise of mercury is maximum in glass tube of dia __________ mm.
Specific speed of a centrifugal pump relates it with another pump having the
The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct)
Net positive suction head (NPSH) of a centrifugal pump must be
Absolute viscosity of a fluid is a function of the __________ of the fluid.
A fluid is the one, which
Choose the set of pressure intensities that are equivalent.
Toothpaste is a
A streamline is
Diaphragm valves are used for handling __________ fluids.
The maximum depth from which a centrifugal pump can draw water is
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant ?
Horsepower requirement for given pump capacity depends upon the
Mercury is an ideal barometric fluid mainly due to its
__________ flow means the flow of incompressible fluid with no shear.
Air vessel fitted to a reciprocating pump
Centre of pressure of a plane surface of arbitrary shape immersed vertically in a static mass of fluid
Pick out the wrong statement:
Which of the following two quantities when same, makes one pipe system equivalent to another pipe system ?
Venturimeters, orificemeters and nozzles are used to measure the fluid discharge from a pipeline. The average fluid velocity in a pipeline can be measured by a/an