Chemical Engineering MCQs

Page No. 37

Concrete tank can be used to store________________?


aAlum

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bFerrous sulphate

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cSulphuric acid

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dSaturated brine

✓


View Answer Saturated brine

Cast iron has very high___________________?


aCompressive strength

✓


bDuctility

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cShock resistance

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dResistance to brittleness

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View Answer Compressive strength

Which of the following is not an alloy of nickel and chromium ?


aInconel

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bHastelloy

✖


cNimonic alloys

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dDuralumin

✓


View Answer Duralumin

The hardest material just prior to diamond in Mho’s scale is___________________?


aTopaz

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bCarborundum

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cCorundum

✓


dCalcite

✖


View Answer Corundum

The maximum percentage of chromium that can be added to steel is about____________________?


a12

✖


b18

✓


c24

✖


d30

✖


View Answer 18

Residual magnetism in steel for magnets is increased by the addition of__________________?


aNickel

✖


bCobalt

✓


cTungsten

✖


dChromium

✖


View Answer Cobalt

Tank furnace used for melting of glass is made of___________________?


aMild steel

✖


bCast iron

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cRefractory blocks

✓


dStainless steel

✖


View Answer Refractory blocks

The essential ingredient of all the synthesis gas is___________________?


aH2

✓


bO2

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cCO2

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dN2

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View Answer H2

The main constituent of rock phosphate is _____________________?


aMono-calcium phosphate

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b Di-calcium phosphate

✓


cFluorspar

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dNone of these

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Base suspension fertiliser essentially contains___________________?


a13% N2 and 43% P2O5

✓


b43% N2 and 13% P2O5

✖


c43% N2 and 13% K2O

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d43% K2O and 43% P2O5

✖


View Answer 13% N2 and 43% P2O5

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