72201. In the manufacturing of lead shots, the property of surface tension is utilised.
72202. Which policy was followed by Marthanadavarma in Travancore?
72203. The velocity at which the turbulent flow starts is known as higher critical velocity.
72204. According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions)
72205. The specific weight is also known as weight density.
72206. In a lockgate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock)
72207. The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta)
72208. According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain.
72209. The force per unit length is the unit of
72210. The shear stress-strain graph for a non-newtonian fluid is a curve.
72211. The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface.
72212. Pick out the correct answer from the choices given. She......... three languages .Now she ......... a fourth.?
72213. The viscosity of water at 20°C is
72214. The rise of liquid along the walls of a revolving cylinder about the initial level is __________ the depression of the liquid at the axis of rotation.
72215. The discharge through a channel of rectangular section will be maximum, if
72216. When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as
72217. The mercury does not wet the glass. This is due to the property of the liquid known as
72218. The coefficient of discharge in case of internal mouthpiece is __________ that of external mouthpiece.
72219. The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity.
72220. According to Manning's formula, the discharge through an open channel is (where M = Manning's constant)
72221. When the venturimeter is inclined, then for a given flow it will show __________ reading.
72222. When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure
72223. The specific weight of compressible fluids does not remain constant.
72224. The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called
72225. In a convergent mouthpiece, the absolute pressure head at vena contracta is the same as that of the atmosphere.
72226. Newton's law of viscosity is a relationship between
72227. The pressure of air __________ with the increase of height from the surface of the earth.
72228. The sheet of water flowing over a notch or a weir is known as
72229. A body floating in a liquid is said to be not in equilibrium if its metacentre lies below its centre of gravity.
72230. A flow in which the quantity of liquid flowing per second is not constant, is called
72231. In a sharp-crested weir, the thickness of the weir is kept less than half of the height of water above the crest of the weir.
72232. The specific gravity of an oil whose specific weight is 7.85 kN/m3, is
72233. The body will float if the force of buoyancy is __________ the weight of the liquid displaced.
72234. 6th G-20 Summit was held in?
72235. The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called
72236. The velocity of liquid flowing through an orifice varies with the available head of the liquid.
72237. The force of buoyancy is always __________ the weight of the liquid displaced by the body.
72238. The coefficient of discharge is the ratio of dieoretical discharge to the actual discharge through an orifice.
72239. The quantity of a liquid flowing per second through a section of a pipe or a channel is called discharge and is measured in cumecs (m3/s).
72240. The purpose of a surge tank is
72241. A fluid which obeys the Newton's law of viscosity is termed as
72242. The divergent portion of a venturimeter is made longer than convergent portion in order to
72243. In a venturiflume, the flow takes place at
72244. The discharge in an open channel corresponding to critical depth is
72245. The pressure of liquid at throat in a venturimeter is __________ than that at inlet.
72246. A fluid whose viscosity changes with the rate of deformation or shear strain is known as non-newtonian fluid.
72247. When the flow in an open channel is gradually varied, the flow is said to be
72248. When the Mach number is equal to unity, the flow is called sonic flow.
72249. The total pressure on the bottom of a closed cylindrical vessel completely filled up with a liquid is the sum of the total centrifugal pressure and the weight of the liquid in the vessel.
72250. A weir, generally, used as a spillway of a dam is