Chemical Engineering MCQs

Page No. 36

Copper has very low________________?


aMalleability

✖


bDuctility

✖


cTensile strength

✓


dThermal & electrical conductivity

✖


View Answer Tensile strength

Refined acetic acid storage vessel are made of___________________?


aCopper

✖


bAluminium

✓


cHigh carbon steel

✖


dNickel

✖


View Answer Aluminium

Mild steel is used for making___________________?


aFish plates

✖


bDie block

✖


cChannels

✓


dDrop forging

✖


View Answer Channels

Cast irons are generally specified by their_________________?


aCarbon content

✖


bTensile strength

✓


cHardness

✖


dManufacturing process

✖


View Answer Tensile strength

Soap kettle used in the production of laundry soap is made of____________________?


aSteel with top section nickel clad or stainless steel

✓


bCast iron

✖


cNickel

✖


dConcrete

✖



Presence of nickel in steel improves its_________________?


aCorrosion resistance

✓


bCutting ability

✖


cWear resistance

✖


dAll A., B. and C.

✖


View Answer Corrosion resistance

Rubber lined pumps can be used to pump_________________?


aCaustic soda

✖


bChlorinated brine

✖


cHypochlorous acid

✖


dAll A., B. and C.

✓


View Answer All A., B. and C.

Ceramic recuperators are generally made of_________________?


aSilicon carbide

✓


bCalcium carbide

✖


cFireclay bricks

✖


dHigh alumina bricks

✖


View Answer Silicon carbide

Kel-F is a material, which is________________?


aChemically known as Polychlorotrifluoroethylene (PTFE)

✖


bHaving excellent chemical & high temperature resistance (upto 200°C)

✖


cHaving elastomeric properties

✖


dAll A., B. and C.

✓


View Answer All A., B. and C.

Zinc is not used__________________?


aFor producing zinc base die casting alloys

✖


bIn its oxide form as pigments

✖


cAs anode for corrosion prevention in boiler

✖


dAs an alloying element in various bronzes

✓



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