Building Materials Questions

• The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively:
• Resins are
• Inhaling of fly-ash over a long period causes
• The slag which floats on the surface of the molten iron generally contains
• The commonly used lime in white washing, is
• Pick up the correct statement from the following:
• A badly mixed cement concrete results in
• Minimum of 40% of iron, is available in
• Name the type of cement from the following for canal linings :
• Shingle is
• A good quality stone absorbs water less than
• A good brick earth should contain :
• Mastic asphalt is generally used for
• The lime which contains mainly calcium oxide and slacks with water, is
• Cement is said to be of good quality if
• Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a
• Which one of the following is an air binding material?
• If P is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is
• Bessemer process is used for the manufacture of
• Smith's test of stones is performed to find out