Home
PDF Download
Exams
G.K.
Aptitude
Reasoning
English
Computer
Biology
Privacy
About
Contact
Home
All MCQ
Exams
PDF Download
G.K.
Aptitude
Reasoning
English
Computer
Biology
Privacy
About
Contact
Join Our Socials
Telegram Group
Join Community
Twitter Group
Pinterest Group
Facebook Group
Subscribe YouTube
What is the correct answer?
4
The hardness of steel increases if it contains
A.
Austenite
B.
Martensite
C.
Pearlite
D.
Cementite
Correct Answer :
B. Martensite
Related Questions
Manganese is added in low carbon steel to
Quenching is not necessary when hardening is done by
When steel containing less than 0.8% carbon is cooled slowly from temperatures…
Which of the following display properties similar to that of steel?
Malleable cast iron
Brass (alloy of copper and zinc) is an example of
Points of arrest for iron correspond to
Balls for ball bearings are made of
Addition of lead and bismuth to aluminium results in
Alnico, an alloy used extensively for permanent magnets contains iron,…
Weld decay is the phenomenon found with
Wrought iron is
The presence of sulphur in pig iron makes
White metal contains
The ability of a material to absorb energy in the plastic range is called
Which is false statement about case hardening? Case hardening is done…
Hardness of lower bainite (tempered martensite) is about
Cartridge brass can be
The ratio of the volume occupied by the atoms to the total volume of the…
Iron-carbon alloys containing 1.7 to 4.3% carbon are known as
Bronze contains
A reversible change in the atomic structure of the steel with a corresponding…
Steel containing ferrite and pearlite is
White cast iron has
The surface hardness of the following order is achieved by nitriding operation
When medium carbon steel is heated to coarsening temperature
A steel containing 16 to 18% chromium and about 0.12% carbon is called
Aluminium bronze contains
Cobalt in steel
The lower critical point for all steels is
Also checkout
Enuresis MCQ
Odd Man Out MCQ
Statutory Deductions MCQ
Workshop Technology MCQ
Art and History MCQ
Current Affairs May 2017 MCQ
Man and Environment MCQ
Spanish Literature and Culture MCQ
General knowledge MCQ
Phylum - Porifera MCQ
Hydrocarbons MCQ
Time and Distance MCQ