Online Mechanical Engineering Test - Engineering Materials Test
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- Total number of questions: 20.
- Time allotted: 30 minutes.
- Each question carries 1 mark; there are no negative marks.
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Marks : 2/20
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Test Review : View answers and explanation for this test.
The electric process of steel making is especially adopted to
Crystal structure of a material is, generally, examined by
The iron ore in the charge of blast furnace acts as an iron bearing mineral.
Which of the following display properties similar to that of steel?
Which of the following is an amorphous material?
Which of the following statement is true about brittle fracture?
In normalising process, the hypo-eutectiod steel is heated from 30° C to 50° C above the upper critical temperature and then cooled in still air.
Martensite has needle like structure and is magnetic.
Induction hardening is basically a
The charge of the blast furnace consists of
A steel containing ferrite and pearlite is
Which of the following metal is used for nuclear energy?
The maximum internal diameter of a blast furnace is about
When a low carbon steel is heated upto lower critical temperature,
Beryllium bronze contains
In the austempering process of heat treatment, austenite changes into
The addition of manganese to aluminium improves corrosion resistance.
The property of a material necessary for forgings, in stamping images on coins and in ornamental work, is
Steel containing 0.8 to 1.5% carbon, is known as
Which of the following is a point imperfection?
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