Materials and Construction Questions

• Cementite is
• Refined acetic acid storage vessel are made of
• Which of the following crystal structures characterises the austenitic stainless steel?
• Cermets are __________ materials.
• Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and
• The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability?
• Percentage elongation of a material is a measure of its
• Hammers and railway rails are normally made of
• The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon.
• Zinc is not used
• Coke oven regenerators are made of __________ bricks.
• The behaviour of visco-elastic material is time dependent. This behaviour is common in __________ materials.
• Cast irons are generally specified by their
• The purpose of nitriding the steel is to
• Galvanised iron is
• Which of the following has the highest compressive strength?
• Cast iron has very high
• German silver used for decorative purposes contains maximum percentage of
• Dielectric strength of a material is
• Addition of __________ in steel can help in increasing the depth of hardness.