Engineering Materials Questions

• Which of the following is an amorphous material?
• Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities?
• Incoloy, Hastelloy and Vitallium are __________ temperature alloys.
• The coordination number of a face centred cubic space lattice is
• The material widely used for making pendulums of clocks is
• The stiffness is the ability of a material to resist
• The steel widely used for motor car crankshafts is
• Grey cast iron has
• Spheroidal grey cast iron has graphite flakes.
• Which of the following steel making process is being adopted at Rourkela Steel Plant?
• Quenching is not necessary when hardening is done by
• In induction hardening __________ is high.
• The metal suitable for bearings subjected to light loads, is
• Monel metal is an alloy of
• The toughness of a material __________ when it is heated.
• A steel with carbon above 0.8% is known as hyper-eutectoid steel.
• Hindalium is an alloy of aluminium and magnesium with a small quantity of chromium.
• 18-4-1 high speed steel contains
• The type of space lattice found in alpha-iron is
• The property of a material essential for spring materials is