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You Are On Multi Choice Question Bank SET 391

19551. A crystal having unit cell dimensions,’a’’!=’’b’’!=’’c’,’alpha’’=’’beta’’=’’Gamma’=’900is





19552. Unit of mass velocity is





19553. Wavelength corresponding to maximum energy is inversely proportional to temperature.The law is





19554. With increase in molecular weight of the gas, the head developed by a centrifugal compressor will





19555. NQR is observed in the region





19556. Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water coloumn in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm).





19557. The ground term symbol of Lithinum atom





19558. The boundary layer thickness at a given section along a flat plate __________ with increasing Reynold's number.





19559. Optical rotation and circular dichroism together are known as





19560. Low specific speed of a pump implies that, it is a/an __________ pump.





19561. Who proclaimed: ‘We have not the slightest intention of abandoning our Indian possessions and that it is highly improbable that any such intention will be entertained by our posterity?





19562. The intensity of rotational spectral line depends on





19563. Symmetric top molecules have





19564. For pumping slurry, one can use a __________ pump.





19565. The vibrating stretching frequency of a diatomic molecule depends on





19566. Bernoulli's equation describes the





19567. Identify the spectra corresponds to the frequency 15000’cm-1’





19568. The largest Public Sector Bank in India is?





19569. Raman lines on the low frequency side of the excitation frequency are called





19570. Which law/principle of solid mechanics is similar/equivalent to Newton's law of viscosity in fluid mechanics ?





19571. The shift of an absorption maximum towards longer wavelength is known as





19572. When larger particles e.g., grains are subjected to fluidisation, the corresponding bed produced is termed as the __________ bed.





19573. In Mossbauer spectroscopy,the main hyperfine interaction/s is/are





19574. Minimum fluidisation velocity for a specific system depends upon the





19575. Potential flow is characterised by the





19576. For the production of very high vacuum, a __________ pump is normally used.





19577. In parallel pipe problems, the





19578. Fluid flow through a packed bed is represented by the __________ equation.





19579. __________ is an example of axial flow impeller.





19580. Froude number is not a factor





19581. If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor).





19582. Horsepower requirement for given pump capacity depends upon the





19583. Bernoulli's equation accounts for the





19584. __________ pumps are a group of vacuum pumps.





19585. Plunger pumps are used for





19586. What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate ?





19587. In turbulent flow, the





19588. Momentum correction factor used in fluid flow problems accounts for the





19589. The name associated with Green Revolution is:?





19590. Design of the casing of centrifugal pump should be such as to minimise the





19591. Which of the following is used for pumping crude oil from oil well ?





19592. The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the





19593. __________ flow means the flow of incompressible fluid with no shear.





19594. A naturally occurring dye





19595. The energy loss over a length of pipeline according to Darcy-Weisbach equation for pipe flow is.....the mean velocity of flow.





19596. Pressure drop in a packed bed for laminar flow is given by the __________ equation.




19597. 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.





19598. Stoke's law is valid, when NRe, p is less than





19599. Froude number is the ratio of





19600. Normal depth in open channel flow is the depth of flow in the channel





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