Chemical Engineering MCQs

Page No. 16

Reaction of nitric acid and sulphuric acid with phosphate rock produces_________________?


aNitrophosphate

✓


b Diammonium phosphate

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c Tricresyl phosphate

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dTributyl phosphate

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View Answer Nitrophosphate

Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about _____________ percent?


a< 2

✓


b< 5

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c< 8

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d< 10

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View Answer < 2

Red phosphorous is changed into white phosphorous by______________________?


aHeating in presence of light

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bMelting under pressure

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cVaporisation followed by condensation

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dNone of these

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Means for giving direction to the circulation of gases in furnaces are_____________________?


aFans

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bArrangement of heating stock in the furnaces

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cLocation of outlet ports and heating & combustion devices

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dAll A., B. and C.

✓


View Answer All A., B. and C.

Heat balance of furnace provides means of determining the_________________?


aThermal efficiency of the process

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bSources of heat losses

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cScope of reduction of heat losses

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dAll A., B. and C.

✓


View Answer All A., B. and C.

NPK fertiliser is a _______________ fertiliser?


a Complex

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b Mixed

✓


cNitrogenous

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dPhosphatic

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View Answer Mixed

Pick out the wrong statement ?


aIn a static mass of liquid, the pressure at a point is the same for all liquids

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bPressure decreases exponentially with elevation in an isothermal atmosphere

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cAtmospheric pressure = absolute pressure ‒ gage pressure

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dAs per Pascal’s law, the pressure at a point in a static or uniformly moving fluid is equal in all directions

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Montecatini process is a widely used process for the manufacture of ___________________?


aUrea

✓


bCalcium ammonium nitrate

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c Triple superphosphate

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dNone of these

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View Answer Urea

Pick out the correct statement pertaining to the flow through a converging-diverging tube ?


aThe value of Mach number is always unity at the throat

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bNo shock wave develops in the tube when the Mach number at exit is greater than unity

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cThroughout the converging portion of the tube, the density increases in the downstream direction

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dNone of these

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Which is a catalyst promoter used in catalytic ammonia synthesis reaction ?


aAl2O3

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bCr2O3

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c K2O

✓


dMnO

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View Answer K2O

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