Chemical Engineering MCQs

Page No. 33

Mercury is transported in metal containers made of________________?


aAluminium

✖


bIron

✓


cLead

✖


dNickel

✖


View Answer Iron

Lead_________________?


aIs the hardest metal in common use

✖


bIs the lightest metal in common use

✖


cCannot be scratched by finger nails

✖


dCannot be work hardened

✓



Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C ?


aSilicone rubber, teflon, porcelain and wood

✖


bNickel, monel, stainless steel and graphite

✖


cAluminium, copper, high silicon iron

✖


dBrass, cast iron, mild steel and tin

✓



The softest material just next to talc in the Mhos scale is_________________?


aQuartz

✖


bGypsum

✓


cFeldspar

✖


dFluorite

✖


View Answer Gypsum

In drop forging process, the forging is done by dropping the _____________ at high velocity?


aHammer

✖


bWorkpiece

✖


cDie with hammer

✓


dWeight on hammer

✖


View Answer Die with hammer

Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of___________________?


aConcrete

✖


bSteel

✓


cZircaloy

✖


dGraphite

✖


View Answer Steel

The preferred material of construction for storage tanks for 98% sulphuric acid is_________________?


aAluminium

✖


bLead

✓


cStainless steel 316

✖


dMild steel

✖


View Answer Lead

Which of the following has the least carbon percentage ?


aLow carbon steel

✖


bMild steel

✖


cWrought iron

✓


dWhite cast iron

✖


View Answer Wrought iron

Locomotive boiler tubes are made of _____________ alloys?


aArsenic copper

✓


bMagnesium

✖


cAluminium

✖


dNickel

✖


View Answer Arsenic copper

Wood is corroded by__________________?


aHydrochloric acid

✖


bSO2 (dry or wet)

✖


cChlorine (dry or wet)

✖


dAll A., B. and C.

✓


View Answer All A., B. and C.

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