All of the following are examples of ceramic materials EXCEPT:
A.Bakelite
B.Aluminium oxide
C.Magnesium oxide
D.Glass
Category: Engineering Materials Mcqs
If a body has identical properties all over it is known as
A.Homogeneous
B.Isentropic
C.Ductile
D.Elastic
E.Plastic
If a material recovers its original dimensions, when the load is removed, it is known as
A.Brittle
B.Elastic
C.Plastic
D.Annealed
E.Soft
The fine grained steel
A.Are brittle
B.Are lighter
C.Are doctile
D.Have more tendency to distort
E.None of the above
Phenol and formaldehyde are polymerised to a resultant product known as
A.PVC
B.Bakelite
C.Polyester
D.None of the above
Which of the following ray has least wavelength?
A.Cosmic rays
B.X-rays
C.Ultraviolet rays
D.Infra-red rays
E.Yellow light rays
Case hardening
A.Is done to induce hardness in the core of materials
B.Is followed by tempering
C.Is preceded by tempering
D.Is allowed by carburizing
E.Is done to get a soft ductile interior with a very hard surface
The process of polymerisation is associated with
A.Cast iron
B.High speed steel
C.Non-ferrous material
D.Non-metallic materials
E.Thermo-plastic
Micro-structure of a material is generally examined by
A.Naked eye
B.Microscope
C.Optical microscope
D.X-rays and electron diffraction
E.Spectroscope techniques
