155. To give a brilliant finish, the type of varnish used is
A. water varnish
B. spirit varnish
C. turpentine varnish
D. oil varnish
156. The most durable varnish is
A. water varnish
B. spirit varnish
C. turpentine varnish
D. oil varnish
157. Lacquer is
A. oil paint
B. distemper
C. spirit varnish
D. none to these.
158. Percentage content of silica in window glass, is
A. 40 to 45
B. 50 to 55
C. 60 to 65
D. 70 to 75.
159. Ground glass
A. is made by grinding its one side
B. is made by melting powdered glass paints surface
C. is used for getting light without transparency
D. all the above.
160. Bullet proof glass is made of thick glass sheet sandwiched by a layer of
A. steel
B. stainless steel
C. high test plastic
D. chromium plate.
161. Dextrine is
A. animal glue
B. starch glue
C. albumin glue
D. rubber based adhesive
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