civil-engineering-building-materials Related Question Answers

151. The main ingredient of a good quality brick earth, is





152. Bitumen is generally obtained from





153. For one cubic metre of brick masonry, number of bricks required, is






154. The steel which contains fissures and cavities, is manufactured by





155. Pick up the volcanic rock from the following:





156. In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is






157. The most durable varnish is






158. Softer variety of steel may be obtained by





159. Calcination of iron ores is done






160. Strength of cement concrete primarily depends upon





161. Rapid hardening cement contains





162. Bitumen emulsion is





163. The cast iron when heated to red heat with powdered red haemetite in an oven for increasing its toughness, is converted to





164. Jhumb bricks are





165. Plastic bitumen is generally used for





166. The commonly used thinner in oil paints, is






167. Cast iron






168. Asbestos is






169. In a rock calcium carbonate predominates. State whether it is :





170. In order of increasing percentage of silica, the correct sequence is





171. The rocks which are formed due to pouring of magma at the earth's surface are called





172. Invar contains





173. Based on flow quality, the sequence of pipes is





174. The pigment used in paints for corrosive resistance, is






175. A well seasoned timber may contain moisture up to





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