D. is produced by small additions of magnesium (or creium) in the ladle. Its weak tensile strength means that it will fracture before it bends or distorts.Click to see full answer How do you define cast iron Mcq?Explanation: Cast Irons are ferrous alloys containing more than 2% of carbon, [] : like cast iron ". E. Tempering : Cast iron is a group of iron-carbon alloys with a carbon content greater than 2%. D Wrought iron. Best Selling in Other Cookware. Cast Iron - 10 mm/m Aluminum - 13 mm/m Brass - 15 mm/m Copper - 17 mm/m Steel - 20 mm/m Zinc - 24 mm/m Lead - 26 mm/m Additional Information Machining Allowance: - The extra dimension provided on the casting and it will be removed by machining after the casting has been completed is called Machining Allowance. (d) Absence of voting rights for women in democracies. a) True b) False 6. View Answer Answer: Wrought iron 2 In arc welding, temperature of the following order may be granted A 1000oC. Run at right angles. I. Limestone and coal are important for smelting iron ore II. III . 4 letters. More than 20% of the world iron ore deposits are in India III. width of the weld to its depth; length of the weld to its depth; depth of the weld to its width; depth of the weld to . The fonnation of stable or metastable eutectic is a function of many factors, including the nu-cleation potential of the liquid . I, II and III . There are 30 material properties with values for both materials. Malleability Stiffness Hardness Strength It is soft, tough and easily machined metal . The ratio of Young's modulus of high tensile steel to that of mild steel is about. Answer: Option C Solution (By Examveda Team) Cast iron is brittle, hard, and non-malleable. Is also known as chilled cast iron and is obtained by cooling rapidly. 1. 2 reviews. Iran is the largest buyer of Indian iron ore. 1. A. item 8 Lodge 6qt Cast Iron Enamel Dutch Oven Red Lodge 6qt Cast Iron Enamel Dutch Oven Red. A. cutting a sheet of metal through part of its length and then bending the cut portion B. removal of metal to the desired shape from the edge of a plate C. cutting a sheet of metal in a straight line along the length D. bending a sheet of metal along a curved axis View Answer The process "Full - mould casting" also called "Cavity Less Casting" or "Investment Casting" or "Disposable pattern casting" is a variant of sand casting in the sense that the process utilizes an expendable pattern, which instead of being removed from the mould gets burnt and evaporated when the molten metal is poured into the mould. alloycast iron, an alloy of iron that contains 2 to 4 percent carbon, along with varying amounts of silicon and manganese and traces of impurities such as sulfur and phosphorus.Click to see full answer Is cast iron a material?Cast iron material is a group of carbon alloys containing 2 to 4% carbon and varying amounts [] D. Inclined at 60. C. Is produced by annealing process. Enameled Cast Iron Dutch Oven - Red Dash of That 6-qt. 5. 7. This page shows answers to the clue Cast-iron. 1. a) 0.5 b) 1.0 c) 1.5 d) 2.0. A. contains 1.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron B. is also known as chilled cast iron and is obtained by cooling rapidly. Table 1 Classification of cast iron by commercial designation, microstructure, and fracture Commercial designation Carbon-rich phase Matrix(a) Fracture Final structure after . View Answer. Answer. It is made by re-melting pig iron along with substantial quantities of scrap iron, scrap steel, limestone, carbon (coke). The manganese content in cast iron should be kept below _____ a) 0.75% b) 1% c) 1.5% d) 1.75% Answer: a Clarification: Presence of manganese makes cast iron hard and brittle. It covers over more than 50 topics in Mechanical Engineering. Its weak tensile strength means that it will fracture before it bends or distorts. 2 reviews. Blowholes are present in the castings 2. . The effect of silicon on structure of C I is ____ a) blow holes are present b) increase fluidity c) react with iron to form iron sulphide d) all 5. Contains 1.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron . Please note that the two materials have significantly dissimilar densities. 3. Home. belong to the family of cast iron. Presence of which material in a gray cast iron causes reduced ductility? Delish by Dash 8", 10" and 12" Lightweight Cast Iron Pans. 1. The most common are ____________ quenching, and tempering. a) Cast steel. B 1500oC. $39.00. 3. C Cast iron. 1) What we call the resistance of a material against any external force. $49.99. Grey cast iron . This processing consists of Water quenching and Oil quenching samplesusing SAE40 oil. Enameled Cast Iron Dutch Oven - Red. C. is produced by annealing process. These short objective type questions with answers are very important for Board exams as well as competitive exams. 5. Cast iron cannot be magnetised. When we speak of gender divisions, we usually refer to: (a) Biological difference between men and women. See all. Property of Cast iron are regulated by _____ a) % of carbon b) amount, type, size of various carbon formation c) heat treatment d) all 4. A glass is the most common example of ____ a) Crystalline solid b) Amorphous solid c) Both d) None 5. $34.99 0 bids 6d 21h. Solution(By Examveda Team) Cast iron is brittle, hard, and non-malleable. all. Gray C I shows gray fracture of _____. $39.99. Welding Multiple Choice Questions and Answers for competitive exams. (b) Unequal roles assigned by the society to men and women. Hence, Fig. all. Properties with values for just one material (3, in this case) are not shown. Delish by Dash 8" Lightweight Cast Iron Skillet. It is soft, tough and easily machined metal. C. Inclined at 45. View Answer. Which of the following statements are true with respect to iron ore? Hardening is the process of heat treatment by which the gray cast iron is made hard by rapid cooling (Quenching) from high temperature of 870oC. Civil Engineering Drawing Multiple Choice Questions on "Steel and Iron Work - 1". A. Care is taken to remove the unwanted contaminants from the process as this could affect the quality of the cast iron produced. We found 3 answers for "Cast-iron" . Delish by Dash 12" Lightweight Cast Iron Skillet. II, III and IV . February 11, 2021 by Amit | LWG. It can't be bent, stretched, or hammered into shape. Cast-iron may be defined as " Iron extremely robust ", " Impure form of iron which has been cast and moulded " and " Made of cast iron. Therefore, manganese content in cast iron should be kept below 0.75%. First Year Engineering Books - SEM 2 - Common to All. Home. The element available in purest form without impurity is - (A) Metal (B) Alloy 4. a) Graphite b) Aluminium c) Coke d) Zinc Answer: a The alloy constituents affect its color when fractured: white cast iron has carbide impurities which allow cracks to pass straight through, grey cast iron has graphite flakes which deflect a passing crack and initiate countless new cracks as the . item 7 Dash of That 6-qt. White cast iron_____? Wrought iron c) Cast iron d) Pig iron. Question Bank for Multiple Choice Questions 02 Steel and its alloys Marks:-15 Content of Chapter:- 2.1.Cocept of phase , metal and alloy 2.2 Iron carbon diagram 2.3 Classification of steels 2.4Applications of steels 1. Increases fluidity 3. C . Cast iron is a class of iron-carbon alloys with a carbon content more than 2%. B. in GFC-1 furnace upto 6 hours later on followed by oil quenching upto 2 hours. Answer Explanation 2) The gray cast iron has ____ a. high melting point b. high thermal conductivity c. low compressive strength d. all of the above Answer Explanation 3) What is the effect of silicon on the structure of cast iron? Odisha and Jharkhand top in the production of iron ore IV. Anyone who wishes to sharpen their knowledge, preparing for the interviews, or preparing for the entrance exam can practice these Mechanical Engineering Questions. Which of the following kind of steel is used in case of manufacturing of rails? Copper and Aluminum are the examples of ____ Parallel. D. d) Pig iron. 7075-T6 aluminum belongs to the aluminum alloys classification, while ductile cast iron belongs to the iron alloys. Metals have fixed melting point. Cast iron belongs to _____ a) Non-ferrous metal b) Ferrous metal c) Both d) None 4. Its usefulness derives from its relatively low melting temperature. . 250+ TOP MCQs on Cast Irons - 1 and Answers Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) on "Cast Irons". Ferrous Metals - MCQ. 6. B. 2. cast steel, iron, carbon steel, cast iron; carbon steel, iron, cast steel, cast iron; iron, carbon steel, cast steel, cast iron; cast iron, iron, carbon steel, cast steel (Ans:a) In fusion welding, penetration is the ratio of. It can't be bent, stretched, or hammered into shape. Answer. Click here to read 1000+ Related Questions on Engineering Materials (Mechanical Engineering) Bronze is an alloy of Delish by Dash 8", 10" and 12" Lightweight Cast Iron Pans. Clarification: Annealing is the process of heating the steel to a sufficiently high temperature to relieve local internal stresses. It is almost unmachinable. 1. View Answer. (c) Unequal child sex ratio. Influences the solidification of liquid alloys 4. 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