101) The commonly used extender in a paint is

• (a) barium sulphate
• (b) gypsum
• (c) alcohol
• (d) any one of these

102) The drier in an oil paint should not be more than ................. (by volume).

• (a) 5%
• (b) 10%
• (c) 15%
• (d) 20%

103) The commonly used solvent in oil paints is

• (a) turpentine
• (b) naptha
• (c) either (a) or (b)
• (d) none of these

104) The best primer used for structural steel work is

• (a) white lead
• (b) red lead
• (c) zinc oxide
• (d) iron oxide

105) The vehicle used in bronze paints is usually

• (a) linseed oil
• (b) naptha
• (c) water
• (d) nitro-cellulose lacquer