Chemical Engineering MCQs

Page No. 709

Sodium chloride content in sea water is about _______________ gms/liter?


a2


b10


c25


d50


View Answer 25

The temperature in the calcium carbide furnace is _______________ °C ?


a200-300


b700-850


c2000-2200


d4000-4500


View Answer 2000-2200

Highly porous refractory bricks are ____________________?


aLess susceptible to chemical attack by molten fluxes and gases etc


bVery strong


cHaving very high thermal conductivity


dNone of these


View Answer None of these

Low purity oxygen is used for____________________?


aL.D. steel making


bCutting and welding of metals


cMedicinal purposes


dChemical oxidation processes



Anion exchanger is regenerated usually with ____________________?


aNaOH


bH2SO4


cHydrazine


dAlum solution


View Answer NaOH

Nylon-66 is manufactured from____________________?


aHexamethylene diamine and adipic acid


bHexamethylene diamine and Maleic anhydride


cCaprolactam


dDimethyl terephthalate and ethylene glycol



Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine ?


aNa2CO3


bNaHCO3


cH2


dNone of these


View Answer H2

Fermentation of molasses to produce ethyl alcohol is done at ________________ °C?


a20 – 30


b< – 5


c100 – 150


d250 – 300


View Answer 20 – 30

Which of the following has sodium bicarbonate as its main constituent ?


aBaking soda


bBaking powder


cWashing soda


dNone of these


View Answer Baking powder

Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as ____________________ oil?


aDrying


bSemi-drying


cNon-drying


dNone of these


View Answer Non-drying

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