Hot tear
A.Is a physical property of non-ferrous materials
B.Is a process involving heating
C.Is a phenomenon occurring in materials ixposed to weather e.g. sun and rain
D.Is a defect in wood
E.Is a defect in castings
Category: Engineering Materials Mcqs
Every material obeys the Hooke’s law within
A.Elastic limit
B.Plastic limit
C.Breaking limit
D.Yield limit
E.Limit of proportionality
The process of producing parts by electrolytic deposition of metal upon a conductive removable mould or matrix is known as
A.Deposition
B.Plating
C.Electrolysis
D.Electro-moulding
E.Electro forming
The solid solution carbon in alpha iron obtained on cooling of 0.2% carbon steel which have been heated above the third critical point is called
A.Ferrite
B.Pearlite
C.Austenite
D.Cementite
In order to measure/detect materials by non-destructive testing the method generally used is
A.Acoustic emission
B.Infrared radiometer
C.Liquid crystallography
D.Thermochemic point
E.Mossbanser effect
The product of a cupola known as
A.Pig iron
B.Cast steel
C.Steel
D.Cast iron
E.Malleable iron
Bush bearings is
A.Phosphor bronze
B.Aluminium bronze
C.Mild steel
D.White metal alloy
E.None of the above
In compression, a prism of brittle material will break
A.Into large number of pieces
B.By forming a bulge
C.By shearing slong oblique plane
D.In a direction along the direction of load
E.None of the above
Which of the following does not contain copper as one of the alloying elements?
A.Monel metal
B.Perminivar
C.Nichrome
D.Manganin
E.All of the above
Plastic deformation which is carried out in a temperature region and over a time interval such that the strain hardening is not relieved is known as
A.Hot work
B.Cold work
C.Annealing
D.Bauschinger effect
E.None of the above
