Chemical Engineering MCQs

Page No. 109

Molten phthalic anhydride is stored in a/an _______________ vessel?


aAluminium


bNickel clad steel


cLead lined steel


dGlass lined steel


View Answer Aluminium

The necessary condition for phase equilibrium in a multiphase system of N components is that the____________________?


aChemical potentials of a given component should be equal in all phases


b Chemical potentials of all components should be same in a particular phase


cSum of the chemical potentials of any given component in all the phases should be the same


dNone of these



18-4-1 high speed steel contains 18%, 4% and 1% respectively of____________________?


aTungsten, vanadium and chromium


bTungsten, chromium and vanadium


cVanadium, chromium and tungsten


dChromium, tungsten and vanadium



Generally _____________ are subjected to galvanising (i.e., zinc coating)?


aNon-ferrous metals


bNon-metals


cLow carbon steels


dStainless steel


View Answer Low carbon steels

_____________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low?


a Bucket


bThrottling


cSeparating


dA combination of separating & throttling



Which of the following is a light alloy ?


aMonel metal


bDow metal


cGerman silver


dBabbitt metal


View Answer Dow metal

Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the__________________?


aCold reservoir approaches zero


bHot reservoir approaches infinity


cEither A. or B


dNeither A. nor B


View Answer Either A. or B

Which of the following is not a non-ferrous alloy ?


aMeehanite


bMagnalium


cGun metal


dMuntz metal


View Answer Meehanite

Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of ______________ as mercury does not amalgamate with it?


aCopper


bCopper alloys


cStainless steel


dMonel


View Answer Stainless steel

As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T) approaches________________?


aZero


bUnity


c Infinity


dNone of these


View Answer Zero

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