Category: Engineering Materials Mcqs

A.Tensile stress
B.Compressive stress
C.Torsion
D.Fluctuating stress
E.None of the above

A.10 kg of limestone per tonne of iron
B.30 kg of limestone per tonner of iron
C.100 kg of limestone per tonne of iron
D.500 kg of limestone per tonne of coke
E.One tonne of limestone per tonne of charge

A.Martensite
B.Austenite
C.Cementite
D.Pearlite
E.Carbon

A.Two electrons
B.No neutrons
C.No protons
D.One each electron, neutron and proton
E.None of the above

A.Charcoal
B.Pulverized coal
C.Graphite
D.Coke
E.Coking coal

A.At which crystals again begin to appear
B.At which new spherical crystals first begin to form from the old deformed ones when a strained metal is heated
C.At which crystals start growing in size
D.At which polycrystalline changes occur
E.At which change of allotropic form takes place.

A.Brittle material
B.Homogeneous material
C.Hard material
D.Isotropic material
E.Isentropic material

A.Magnetism left in a sample after a decade
B.Magnetism left in a sample after one year
C.Flux density present in a material after magnetising force is removed
D.The magnetic force required to fully demagnetise a sample
E.None of the above

A.20–50
B.10-110
C.110-150
D.150-300
E.300-450

A.Low carbon steels
B.High speed steel
C.Silicon steel
D.Stainless steel