Home

Join Our Socials

Telegram Group
Join Community
Twitter Group
Pinterest Group
Facebook Group
Subscribe YouTube

What is the correct answer?

4

In spheroidising process, the steel is

A. Heated below the lower critical temperature and then cooled slowly

B. Heated up to the lower critical temperature and then cooled in still air

C. Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C

D. None of the above

Correct Answer :

C. Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C


Share this question with your friends
Show all Engineering Materials MCQ

Please do not use chat terms. Example: avoid using "grt" instead of "great".

Submit
Load More..

Related Questions

Preheating is essential in welding The material widely used for making pendulums of clocks is A cold chisel is made of By severely deforming a metal in a particular direction it becomes Shock resistance of steel is increased by adding Tungsten in high speed steel provides Iron-carbon alloys containing carbon ________ 4.3% are known as hypereutectic… The aluminium alloy, mainly used, for anodized utensil manufacture, is A small percentage of boron is added to steel in order to Which of the following pipes is least corrosion resistant? When elements like nickel, chromium, copper and molybdenum are added to… Phosphor bronze contains In malleable iron, carbon is present in the form of The most effective inhibitor of grain growth, when added in small quantities… Basic constituents of Monel metal are Pick up wrong statement about wrought iron The compressive strength of cast iron is ________ that of its tensile… Aluminium bronze contains Tensile strength of steel can be safely increased by German silver contains Grey cast iron has Nickel in steel Which of the following statement is wrong? The carbon in the pig iron varies from According to Indian standard specifications, SG 400/15 means Iron-carbon alloys containing 1.7 to 4.3% carbon are known as Wrought iron Which of the following impurity in cast iron promotes graphite nodule… Sulphur in pig iron tends to make it Cartridge brass can be

Also checkout

Phylum - Mollusca MCQ WAN MCQ Phylum - Reptilia MCQ Bryophyta MCQ Odd Man Out MCQ Advance GST MCQ Asp Programming MCQ Human reproductive system MCQ Machine Input MI MCQ Neuromuscular bladder dysfunctions MCQ Theater MCQ AP Biology MCQ