Chemical Engineering MCQs

6108 MCQs (Page 72 of 611)

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What happens, when SO2 is passed through a solution of H2S in water ?

A. Precipitation of sulphur takes place
B. H2so3 is formed
C. Oleum is formed
D. None of these

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Specific gravity of hot metal (pig iron) is ______________ times that of the blast furnace slag ?

A. 2
B. 3
C. 0.8
D. 6

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When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the _________________?

A. Partial pressure of water vapour is less than the total pressure
B. Humidity is < 100% & dew point temperature of air has not reached
C. Dew point temperature of air has not reached & air is not saturated fully
D. Air is fully saturated

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Which of the following pairs is not correctly matched ?

A. Uranium – 233 : fertile material
B. Binding energy : mass defect
C. Scattering: absorption cross-section
D. Number of nucleons : mass number

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Constituents of stellite are ____________________?

A. Zinc, copper & nickel
B. Cobalt, chromium & tungsten
C. Zinc, aluminium & nickel
D. Nickel, cobalt & vanadium

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Which of the following contributes maximum as main source of sulphur in the blast furnace charge ?

A. Sinter
B. Coke
C. Iron ore
D. Limestone

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L.D. (Linz-Donawitz) converter is used in the production of____________________?

A. Copper
B. Steel
C. Zinc
D. Aluminium

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More than 95% of _______________ is present in corundum ?

A. Sio2
B. Al2o3
C. Casio2
D. Mgo

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The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called__________________?

A. Resilience
B. Toughness
C. Ductility
D. Impact strength

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For dynamic strain measurement, the Wheatstone bridge used is of ______________ type ?

A. Voltage sensitive null
B. Voltage sensitive deflected
C. Current sensitive deflected
D. None of these

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