Engineering Materials Questions

• The steel widely used for making precision measuring instruments is
• Babbit metal contains
• When a steel containing more than 0.8% carbon is cooled slowly below the lower critical point, it consists of
• In a crystalline material, atoms are arranged in definite and orderly manner and form.
• In high speed steels, vanadium adds to the property of red hardness and tungsten and chromium add to high wear resistance.
• Steel containing upto 0.15% carbon, is known as
• Silicon is added in low carbon steels to
• Which of the following material has maximum malleability?
• Which of the following iron exists at 910° C?
• The austenitic stainless steel contains
• Which of the following is a mesomorphous material?
• In a face centred cubic space lattice, there are
• Which of the following gives the correct order of increasing hot hardness of cutting tool materials?
• Duplex process of steel making is a combination of
• A steel is heated at about 875° C where the structure consists of entirely austenite. It is then cooled suddenly at a temperature of about 250° C to 525° C. This process of heat treatment is known as
• 18/8 stainless steel consists of
• Muntz metal (Yellow brass) contains
• Manganese bronze has
• Aluminium bronze has high resistance to corrosion.
• The property of a material necessary for forgings, in stamping images on coins and in ornamental work, is