33252. What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate ?
33253. In turbulent flow, the
33254. Momentum correction factor used in fluid flow problems accounts for the
33255. Design of the casing of centrifugal pump should be such as to minimise the
33256. Which of the following is used for pumping crude oil from oil well ?
33257. The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the
33258. __________ flow means the flow of incompressible fluid with no shear.
33259. A naturally occurring dye
33260. The energy loss over a length of pipeline according to Darcy-Weisbach equation for pipe flow is.....the mean velocity of flow.
33261. Pressure drop in a packed bed for laminar flow is given by the __________ equation.
33262. The fluid velocity varies as the cube of the cylinderical pipe diameter in case of steady state laminar flow at constant pressure drop for __________ fluid.
33263. Stoke's law is valid, when NRe, p is less than
33264. Froude number is the ratio of
33265. Normal depth in open channel flow is the depth of flow in the channel
33266. Which of the following flow measuring devices is an area meter ?
33267. With decrease in particle size to be fluidised by a particular fluid, the operating range of fluidisation velocity
33268. Diaphragm valves are used for handling __________ fluids.
33269. The schedule number of a pipe is an indication of its
33270. Minimum porosity for fluidisation is
33271. 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
33272. Steady non-uniform flow is exemplified by flow through a/an
33273. The maximum depth from which a centrifugal pump can draw water is
33274. Hot wire anemometer is used to measure the
33275. Propeller type centrifugal pumps are most suitable for
33276. The fluid velocity varies as the square of the cylindrical pipe diameter, in case of steady state laminar flow at constant pressure drop, for __________ fluid.
33277. Momentum transfer in laminar flow of fluids results due to the
33278. The capillary rise of mercury is maximum in glass tube of dia __________ mm.
33279. Diaphragm pumps are used to transport
33280. For steady ideal fluid flow, the Bernoulli's equation states that the
33281. In case of a centrifugal pump, the theoretical head developed is dependent on the __________ the impeller.
33282. A hydraulic press has a ram of 10 cms in diameter and a plunger of 1 cm in diameter. The force required on the plunger to raise a weight of 10 tons on the ram is __________ kg.
33283. Choose the set of pressure intensities that are equivalent.
33284. Pick out the wrong statement about a streamline.
33285. The most serious disadvantage of an orificemeter is that
33286. The discharge through a rectangular weir varies as
33287. In case of supersonic flow of a fluid through pipeline, the 'Mach number' is
33288. A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpmHead = 8 metresFlow = 1000 litres/minutes.If its speed is halved, the power consumed now will be __________ hp.
33289. Transition length for turbulent flow in smooth pipe is equal to __________ times the pipe diameter.
33290. Disc compensators are provided in large diameter fuel gas carrying pipelines to
33291. Discharge from a 24 inch pipe of water at 10 ft/sec will be __________ ft3/sec.
33292. Paper pulp is an example of __________ fluid.
33293. 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
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