1.5% [D]. Pick up the polymineralic rock from the following: A. Quartz sand B. Other elements such as Silicon, Sulphur, Phosphorus and Manganese are also added to improve the various qualities of steels. • It is the basic raw material for the manufacture of cast iron, wrought iron and steel. Answer is 0.25%. Answer: 4. Wrought iron contains carbon upto. It can be easily forged or welded. CARBON STEELS Is an alloy of Iron and Carbon Contains 0.1 % to 1.5 % of Carbon. Softer variety of steel may be obtained by – Bessemer process. Answer: 1. The steel forms an intermediate stage between cast-iron and wrought-iron. 1 hour ago. 0.25% B. (1) Pig iron contains about 4% carbon and many impurities in smaller amount (e.g., S, P, Si, Mn). The name Iron can refer to pure form, but due to history is also the name commonly used to refer to element iron with large amounts of carbon. 1.03i C.1.50% D. 2%. Q 3. Pick up the correct statement from the following: A. Learn Building Materials MCQ questions & answers are available for a Civil Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. (2) Iron (3) Copper (4) Calcium 3 . The steel made by this process is cement steel because ferrite in the wrought iron is converted into cementite (i.e. Chemistry Problem? Answer: Option A 4. Pick up the polymineralic rock from the following: A. Quartz sand B. contain alcohol as thinner E. all the above. 2. View Answer. Ferrous alloys are that contain iron as the base metal. High carbon Steel 0.70 % - 1.5 % 4. Wrought iron contains carbon upto 4. Wrought iron is fairly pure iron containing glassy inclusions. Iron is the name given to pure ferrite Fe, as well as to fused mixtures of this ferrite with large amount of carbon (may be 1.8%), these mixtures are known as pig iron and cast iron. Wrought iron contains carbon upto. Wrought iron ismalleable and ductile. Based on Carbon Content it can be classified into 1. 0.25% [B]. Wrought iron contains carbon upto. Answer: 5. Wrought iron contains carbon upto A. 0.25%: B. … Report errors. 25%; 0%; 5%; 2%. Pick up the correct statement from the following: A. Join. Wrought iron contains carbon upto 4. STEEL. 22. In pig iron carbon content is 3.5-4.5%, wrought iron contains .05-.2% carbon… Iron and Steel making history. The carbon present in the form of iron carbide, because of its ability to increase the hardness and strength of the steel. Wrought iron contains carbon upto? 196. Cast Iron is the most impure form of iron and contains the highest percentage of carbon from 2.5 to 5 percent and about 2 percent of other impurities like Si, P, Mn and S. Wrought Iron is the purest form of iron. Forge pig may be converted to wrought iron by A. rolling Question is ⇒ Wrought iron contains carbon upto., Options are ⇒ (A) 0.25%, (B) 1.0%, (C) 1.5%, (D) 2%., (E) , Leave your comments or Download question paper. Wrought iron contains carbon upto – pudding. Wrought iron contains carbon upto 0.25% 1.0% 1.5% 2%. It contains the lowest percentage of carbon 0.1 to 0.25% and 0.35 other impurities. Discuss in Forum . Discuss in Forum . 1.0% C. 1.5% D. 2%. Wrought iron thus formed contains about 0.2 – 0.5% carbon and traces of P and Si in the form of slag. 195. 1.0% C. 1.5% D. 2%. Trending questions. Trending questions. It is a semi-fused mass of iron with fibrous slag inclusions (up to 2% by weight), which gives it a "grain" resembling wood that is visible when it is etched or bent to the point of failure. It is a tough, malleable and ductile material. contain alcohol as thinner; all the above. 2%. MAH CET 2020 Percentile Predictor 16 minutes ago. For thin structures subjected to wetting and drying, the water cement ratio should be 0.45 B. MAH CET Participating Institutes 2020 16 minutes ago. Answer: Option A 4. Q 5. PIG Iron : Pig iron is the crude and impure form of iron. 273 The variety of pig iron used for manufacture of wrought iron, is (A) Bessemer pig (B) Grey or foundry pig (C) White forge pig (D) Mottled pig Answer: Option C Question No. Forge pig may be converted to wrought iron by A. rolling Basically the iron comes from the mines or rocks in the form of ores and separated from the ores. It can not stand sudden and excessive shocks. Wrought Iron: It can be readily welded by any of the commonly used welding processes. The amount of carbon present in steel is nearly intermediate between that contained in cast and wrought iron. It can easily forged and welded. Ask question + 100. The slight amount of slag present in the wrought iron has a fluxing action and protects the metal during heating, thereby producing good results. Primarily pig iron is produced from the iron ore in the blast furnace from which cast iron, wrought iron … The members in the iron family are classified on the basis of carbon content present. It is a ferrous material and more corrosion resistant than steel. 4. D. contain alcohol as thinner E. all the above. Wrought iron is the iron used by the forgerons; in such, being pure, it contains no carbon - carbon is a hardener - and so, wrought iron can also be called “soft” iron, (in French, at least). Q 3. iron carbide). Join Yahoo Answers and get 100 points today. Wrought iron is tough, malleable, ductile, corrosion resistant, and easily welded. Wrought iron is manufactured from pig iron by A. refining B. pudding C. shingling D. all the above. • It is manufactured in a furnace called blast furnace. Iron is a lustrous, malleable, ductile, silver-gray metal. View Answer. In wrought-iron, The carbon content does not exceed 0.15%. Low Carbon Steels (Carbon upto 0.30%): (2) It forms carboxyhaemoglobin. Wrought iron contains carbon up to – 0.15%. The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout. Answer: Option E 3. Pick up the polymineralic rock from the following: 5. Composition– Wrought iron is the purest form of iron. 0.25% B. Pure gypsum C. Magnesite D. Granite E. None of these. 23. Answer: Option E 3. Since carbon combines with wrought iron and has its surface covered with blisters, therefore, the steel produced by this process is known as blister steel. Its melting point ut 1400°C. Answer: 1. Building Materials MCQ question is the important chapter for a Civil Engineering and GATE students. The steel used in RCC work is – mild steel. And steels are produced pig may be converted to wrought iron and steels are produced: No answer description for! 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