Engineering Materials MCQs

Ferrite and pearlite

Cementite and pearlite

Ferrite and bainite

Cementite and martensi

silicon bronze

white metal

monel metal

phosphor bronze

Yes

No

duralumin

brass

copper

silver

refine the grain structure

remove strains caused by cold working

remove dislocations caused in the internal structuure due to hot working

all of the above

Diamond, Carbide, High speed steel

Carbide, Diamond, High speed steel

High speed steel, Carbide, Diamond

High speed steel, Diam

vacuum hardening

martempering

induction hardening

flame hardening

weldability

formability

machinability

hardenability

Steels are heated to 500 to 700° C

Cooling is done slowly and steadily

Internal stresses are relieved

all of these

Agree

Disagree