Engineering Materials Questions

• The cutting tools are made from
• A steel alloy containing 36% nickel is called
• The machine tool guide ways are usually hardened by
• Cast iron has
• Iron-carbon alloys containing 4.3% carbon are known as hypo-eutectic cast irons.
• A steel with 0.8% carbon is known as
• The ductility is the property of a material due to which it
• For the pipe fitting like elbow, tee, union etc., which of the following is preferred?
• Phosphor bronze has
• The temperature point at which the change ends on heating the steel is called
• Thermosetting plastics are those materials which
• The process used for relieving the internal stresses previously set up in the Metal and for increasing the machinability of steel, is
• The malleability is the property of a material due to which it can be rolled or hammered into thin sheets.
• The process which improves the machinability of steels, but lowers the hardness and tensile strength, is
• Silicon in cast iron
• The delta-iron possesses a body centred cubic space lattice.
• Which of the following solids are malleable and ductile?
• A carbon steel having Brinell hardness number 100 should have ultimate tensile strength closer to
• The nuts and bolts are made from silicon steel.
• The essential constituent of a hardened steel is