The crystal structure of a material can be studied by
A.Electron microscope
B.X-ray difraction
C.Electron probe X-ray microanalyser
D.All of the above
Category: Engineering Materials Mcqs
Neoprene is
A.Rubber
B.Plastic
C.Rubber like plastic
D.None of the above
Which process is different from the others
A.Short peening
B.Sand blasting
C.Cold extruding
D.Cold heading
E.Drop forging
Brinell hardness number for soft brass is usually in the range
A.10–50
B.50-70
C.80-150
D.150-300
E.300-450
The behavious of visco-elastic material is
A.Time dependent
B.Independent of time
C.Elastic
D.Plastic
E.Ductile
The fatigue strength of materials increases
A.With temperature
B.By having scratch on the surface
C.By having notches in specimen
D.By under stressing the specimen
E.By over stressing the specimen
In cold working of metals
A.Close dimensional tolerance cannot be maintained
B.Poor surface finish is obtained
C.Recrystallization temperature for steel is reduced
D.Grain structure remains unchanged
E.Strength and hardness of steel is increased
Which of the following is a fuel used in fast reactors?
A.Chromium
B.Plutonium
C.Heavy water
D.Zirconium
E.Graphite
Which is the heaviest?
A.Electron
B.Neutron
C.Positron
D.Atom
E.Proton
Wrought iron is
A.Soft
B.Hard
C.Least resistant to corrosion
D.Highly resistant to corrosion
E.Heat treated to change its properties
