26. The rocks formed by gradual deposition, are called
27. Galvanising means covering iron with a thin coat of
28. For preparing porcelains, the clay should be
29. Polymerization helps to improve the property of
30. Good quality stones must
31. Sewer pipes are made of
32. Fibre glass
33. The commonly used colour pigment in paints, is
34. Varnish is a transparent or semi-transparent solution of resinuous substances in
35. Initial setting time of cement for asbestos cement products should be not less than
36. The variety of pig iron used for the manufacture of steel by Bessemer process, is
37. For melting one tonne of cast iron
38. For filling cracks in masonry structures, the type of bitumen used, is
39. Plastic
40. Vanadium steel is generally used for
41. The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as
42. The rocks in which argil (or clay) predominates, are called
43. A badly mixed cement concrete results in
44. Pick up the correct statement regarding low heat cement from the following:
45. Chemically, marble is known as
46. Inner part of a timber log surrounding the pitch, is called