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You Are On Multi Choice Question Bank SET 1440

72001. The first recipient of Saraswati Samman?

72002. The Francis formula for the discharge over Cippoletti weir is

72003. Laminar flow __________ place at very low velocities.

72004. A manometer can be used to measure vacuum pressures.

72005. Rewrite as directed:He was rude to say that. (Begin the sentence with ‘it’)?

72006. The tendency of a liquid to uplift a submerged body, because of the upward thrust of the liquid, is known as buoyancy.

72007. An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity)

72008. The discharge over a triangular notch is

72009. The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece)

72010. The loss of pressure head in case of laminar flow is proportional to

72011. The flow of water through the hole in the bottom of a wash basin is an example of

72012. A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because

72013. The viscosity of a liquid is due to cohesion of its particles.

72014. A compound pipe is required to be replaced by a new pipe. The two pipes are said to be equivalent, if

72015. In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be

72016. The viscosity of water is __________ than that of mercury.

72017. The velocity at which the laminar flow stops, is known as

72018. When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as

72019. The Newton's law of resistance is based on the assumption that the

72020. The Euler's equation for the motion of liquids is based upon the assumption that

72021. A weir is usually made of masonry or concrete.

72022. The shear stress-strain graph for a newtonian fluid is a

72023. If a pitot tube is placed with its nose upstream, downstream or sideways, the reading will be the same in every case.

72024. A flow in which each liquid particle does not have a definite path and the paths of individual particles also cross each other, is called turbulent flow.

72025. A flow in which the viscosity of fluid is dominating over the inertia force is called

72026. An air vessel is provided at the summit in a syphon to

72027. If a body floating in a liquid does not return back to its original position, and heels farther "away when given a small angular displacement, the body is said to be in neutral equilibrium.

72028. The length of the divergent cone in a venturimeter is __________ that of the convergent cone.

72029. A flow through a long pipe at constant rate is called

72030. The volume per unit mass of a liquid is called specific volume.

72031. In an external or internal mouthpiece, the absolute pressure head at vena contracta is zero when atmospheric pressure head is 10.3 m of water.

72032. In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.

72033. Viscous force is the __________ of shear stress due to viscosity and cross-sectionar area of flow.

72034. The density of air is same at different heights.

72035. The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface)

72036. A body floating in a liquid is said to be in a stable equilibrium, if its metacentre coincides with its centre of gravity.

72037. The Mahajanapada which gained prominence to become an empire was?

72038. When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)

72039. A flow through an expanding tube at increasing rate is called unsteady non-uniform flow.

72040. Water is __________ liquid.

72041. With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will

72042. India ranks first in the production of ......... in the world?

72043. The rise, in water level, which occurs during the transformation of the unstable shooting flow to the stable streaming flow is called hydraulic jump.

72044. One stoke is equal to

72045. The water hammer in pipes occurs due to sudden change in the velocity of flowing liquid

72046. A venturiflume is a flumed structure constructed across a channel by restricting its width.

72047. The velocity corresponding to Reynold number of 2000 is called

72048. The specific weight of water in S.I. units is taken as

72049. Who is the first winner of ‘Ezhuthachan Puraskaram’?

72050. The flow in a pipe is laminar, when Reynold number is less than 2000.

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