Engineering Materials Questions

• Monel metal contains
• According to Indian standard specifications, cast iron designated by 'FG 150' means
• The iron ore mostly used for the production of pig iron is
• Hardness of steel is increased by adding sulphur, lead and phosphorus.
• In a close packed hexagonal space lattice, there are
• The process of inducing carbon to __________ carbon steels in order to give it a hard surface is known as carburising.
• Admirality gun metal contains
• The addition of manganese to aluminium improves corrosion resistance.
• Chilled cast iron is produced
• The maximum solubility of carbon in austenite is 1.7% at 1130° C.
• German silver contains
• The approximate height of a blast furnace is
• Which of the following is a case hardening process?
• A fine grained steel
• In a unit cell of a body centred cubic space lattice, there are __________ atoms.
• The percentage of phosphorus is phosphor bronze is
• The high speed steel has __________ percentage of tungsten.
• In the austempering process of heat treatment, austenite changes into
• Nichrome contains more iron than Inconel.
• The red flame during the operation of a bessemer converter indicates that the