33401. Which of the following equations as suggested by Colebrook and White gives the increase in roughness of a new surface (ε0) with age/time (t) (where, ε = roughness of the surface after time't'. α = a co-efficient to be experimentally determined)?
33402. Nominal size of a pipe is an indication of its __________ diameter.
33403. Fluidised beds are formed, when the
33404. A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is __________ hp.
33405. Heat capacity of species is independent of temperature if it is
33406. Medium viscosity lubricating oil can be most ideally pumped by a __________ pump.
33407. In a fully turbulent flow (Re > 105) in a pipe of diameter 'd', for a constant pressure gradient, the dependence of volumetric flow rate of an incompressible fluid is
33408. Pump used for the transportation of molten sodium in a fast breader reactor is a/an __________ pump.
33409. Small pressure differences in liquids is measured using a/an
33410. With increase in pump speed, its NPSH requirement
33411. In the Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is __________ the fluid viscosity.
33412. Gear pump
33413. Most of the centrifugal pumps used in chemical plants are usually __________ driven.
33414. Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the
33415. 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
33416. The time taken for gravity flow of a fixed volume of liquid (as in Redwood viscometer) is directly proportional to its
33417. The exit cone angle in case of a standard venturimeter is __________ the entrance cone angle.
33418. Sewage sludge is __________ type of non-Newtonion fluid.
33419. Ratio of pressure and inertia force gives __________ number.
33420. Permanent loss in a venturimeter is about __________ percent of the pressure drop in theupstream cone.
33421. Volume of liquid displaced by a floating body is equivalent to its
33422. The __________ is measured by a piezometric opening.
33423. What is the pipe called which lifts water from a reservoir to a greater height than the initial level in the supply reservoir ?
33424. Steady uniform flow is represented by flow through a/an
33425. Pick out the correct statement pertaining to the flow through a converging-diverging tube.
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