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(a) 87.75% Sn, 4% Cu, 8% Sb, 0.25% Bi Cemented carbide tools are not found to be suitable for cutting (c) vanadium (a) hard’ (b) constant for all metals (d) 20 : 80 Ans: d, 20. (d) iron Ans: b, 29. View EE MCQ.pdf from MECHANICAL ENGR6911 at Sultan Qaboos University. (d) sharp cutting edge (c) one of the best known age and precipitation-hardening systems (c) Hastelloy (e) none of the above. (b) 0.20 to 0.45% (b) non-linear (a) 50 : 50 (d) at which crystals grow bigger in size (d) contents of alloying elements (e) cast iron steel. (e) copper. Ans: a, 80. (d) 1040 (d) gives ductility, toughness, tensile strength and anti corrosion property: (a) RC 65 (e) none of the above. (b) pig iron (d) copper and nickel Dislocations in materials refer to the following type of defect (c) manganese (c) high tensile strength Perminvar alloy having constant permeability is an alloy of (a) 3- 5 (c) cast iron Iron is (c) nickel (c) stainless steel Ans: c 2. (e) none of the above. (e) none of the above. (c) all non-ferrous materials Nickel in steel (b) hot tempering The crystal structure of gamma iron is Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. (a) tenacity White metal contains Ans: c, 108. My mail-id is vikashkmr1920@gmail.com. (b) the shape and distribution of the car-bides in iron Age-hardening is related with (d) cast iron The loss of strength in compression with simultaneous gain in strength in tension due to overloading is known as (d) is produced by small additions o magnesium (or cerium) in the ladle Graphite is in nodular or spheroida form and is well dispersed throughout the material (b) 0.15% (b) harden steel slightly SEMESTER V Mechanical Engineering MCQ's. (a) 0.2% a) cast iron (d) elements like phosphorus, sulphur and silicon in varying quantities (a) in which atoms align themselves in a geometric pattern upon solidification (e) 1.5 to 2.5%. ‘Killed steels’ are those steels My email id is – shivarajukm1212@gmail.com, Sir (c) nickel and chromium in steel help in raising the elastic limit and improve the resilience and ductility Ans: a, 193. (c) zinc, tin, lead The surface hardness of the following order is achieved by nitriding operation Ans: a, 98. Download MCQ. (c) one of the best known age and precipitation-hardening systems (c) 85-92% copper and rest tin with little lead and nickel (a) greater than 7 (d) tungsten, molybdenum, vanadium, chromium An important property of malleable cast iron in comparison to grey cast iron is the high (c) is produced by annealing process. (c) in which deformation tends to loosen the joint and produces a stress reduced (d) all of the above (e) none of the above. Which is false statement about properties of aluminium (a) 50 : 50 This the post provides estimate 1000++ MCQ Mechanical Engineering question which is helping all world students for their competitive exam’s preparations. Explanation are given for understanding. (e) piston I.C. (d) steel Argentite is the principal ore or raw material for BATU First Year Question Papers Summer 2018, Question Bank of DBATU B.Tech Examinations, Civil Engineering MCQ in PDF | DBATU Remedial Exam. (e) silver and gold. (e) the quality of ore from which it is made. 1. (d) 1400-1539°C (e) none of the above. (b) low carbon steel Ans: d, 175. Engineering Mechanics PART 1 . Engineering Thermodynamics; Top 150 Thermodynamics MCQ; Strength of Material (SOM) Mechanical Engineering Design; Top 250 I.C. (a) improvement of casting characteristics (d) heat treated to change its properties Aluminium bronze contains Engine Objective Questions Ans: d, 105. (a) magnesium alloys Ans: b, 156. (a) promotes decarburisation (b) 1500 VPN (b) ductility Can u send me the mechanical qsns with answrs in pdf format please…….. Ans: c. 2. (d) all of the above Which is false statement about tempering. (b) hardness (a) brass Ans: b, 12. (d) silicon (b) 0.5% (c) flakes (a) contains 1.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron (e) improving the resilience and ductility. (a) 0.1 to 0.2% Austenite rs a combination of Ans: a, 15. Aluminium bronze contains aluminium and copper in the ratio of (c) vanadium, aluminium Ans: a, 66. An important property of high silicon (12 – 18%) cast iron is the high (b) interstitial solid solution Engineering (design and Build) have Lot’s of Branches, and here we will Share with you all detailed Knowledge of Mechanical engineering with the help of Best Books & Notes.. Dear Engineering Students or Interested Visitors, if you are searching for free study material/study stuff and Learning Courses of Mechanical Engineering. Ans: b, 51. (e) the points where major changes take place. (b) 910°C Ans: c, 34. (d) zinc, sulphur, and chromium (c) a low percentage of graphite (b) 0.3% (c) high carbon steel (c) 1000 to 1100 VPN Case hardening is done by (d) 30 : 20 : 30 : 20 (a) body centred cubic (a) malleable iron Ans: a, 3. Hardness of martensite is about Ans: d, 73. (a) cast iron (e) none of the above. (a) free form Tungsten in steel (d) wrought iron (c) copper, nickel and antimony (a) point defect (e) 0.7%. (e) can be cut freely even under adverse conditions. (a) nickel, copper (d) 250 VPN (e) none of the above. (c) asbestos cement (d) iron scrap and zinc (a) F.C.C. mail id :arunpandiyan51995@gmail.com, could you send me the questions pdf related to Materials and Metallurgical Engineering to the following e mail id? (a) aluminium in steel results in excessive grain growth (b) stages at which further heating does not increase temperature for some time (c) ability to undergo large permanent deformations in tension Ans: e, 71. (d) between 910°C and 1400°C (c) RC 57 Encrypting your link and protect the link from viruses, malware, thief, etc! (c) improve toughness Cold rolled steel sheets contain carbon of the following order (b) wear resistance is very good (b) tungsten, molybdenum and phosphorous Depth of hardness of steel is increased by addition of (a) silver, copper, zinc You will find all the important Questions and Answers- MCQ of mechanical Engineering. Open Elective I. (b) It melts at 1535°C ME8593 Design of Machine Elements Download MCQ. Ans: c, 131. (b) F.C.C. These are the selective and important questions of Mechanical Engineering. (e) increases hardness. (d) no fixed relationship (c) 0.1% (b) reduces the grain size (c) silver (a) formation of bainite structure (e) all of the above. (e) nodular aggregates of graphite. (b) 0.06% (a) ferrite Ans: d, 181. (d) tough Carbon in iron is an example of Ans: d, 115. Malleability of a material can be defined as (c) H.C.P. (d) improving machinability (e) none of the above. (d) do not exist Ans: a, 116. (b) is also known as chilled cast iron and is obtained by cooling rapidly. (d) all of the above (d) stress reduces on increasing load (e) none of the above. (c) ferrite and austenite (d) zinc (e) none of the above. (b) alloy steel (d) 5% phosphorous The hardness of steel primarily depends on (d) corrosion resistance Isotropic materials are those which have the same Ans: b, 47. (a) hot working (e) 100% silver. It is almost unmachinable Mechanical Engineering Mcqs for Preparation of Job Test and interview, freshers, Students, competitive exams etc. (e) flame hardening. (e) bainite. 2. Engineering Materials - Mechanical Engineering (MCQ) questions and answers. Maximum percentage of carbon in ferrite is (b) invar Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. The percentage of carbon in low carbon steel is (a) contains l.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron Ans: a, 186. (d) 4 to 4.5% (e) hardening core. The ultimate tensile strength of low carbon steel by working at a high strain rate will (e) none of the above. and answers on Mechanical Engineering MCQ questions on Mechanical Engineering objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. (c) is produced by annealing process. A cold chisel is made of Pipes for bicycle frames are made of (e) 90% magnesium and 10% tin. If you like Mechanical Engineering Objective MCQ Pdf Download article please share with your friends and classmates. (a) 70% copper and 30% zinc (c) 87% Sn, 4% Cu, 8% Sb, 1% Al (a) hot hardness (b) body-centred cubic lattice (b) nitriding of surface (a) zinc Remedial exam is conducted by dbatu university after every semester exam for the students failing in regular end sem exam. (a) 1539°C Ans: d, 101. Cobalt in steel (b) chromium (a) made by adding carbon in steel (b) solder admiralty Which of the following constituents of steels is softest and least strong (b) grain refinement (b) below 1% (d) in which carbon is completely burnt Graphite is in the nodular or spheroidal form and is well dispersed throughout the material (e) 90% copper and 10% zinc. (e) least resistant to corrosion. (c) 0.63% Ans: b, 123. The crystal structure of brass is (a) 0.2% (c) lead (a) 80% or more iron (e) brass. (c) RC 57 (e) all of the above. (c) H.C.P. (c) carbon content (b)TO16 (c) silver, lead, zinc (b) above 100°K (e) none of the above. (e) none of the above. (d) is produced by small additions of magnesium (or creium) in the ladle. Melting point of iron is (a) in a random manner Ans: d, 151. (b) phosphorous, lead and sulphur (b) adding carbon up to 6.3% (b) iron, nickel and copper (c) equal to 7 sir,pls mail me all sub questions&answer in pdf..am job seacher ,i hope that you are helping me sir. If a refractory contains high content of silicon, it means refractory is (e) above recrystallization temperature. Ans: a, 191. (a) greater than 7 (b) improvement of corrosion resistance (c) 85-92% copper and rest tin with little lead and nickel (e) sulphur, phosphorous and lead im¬prove machining properties of steel. (b) mild steel (a) cementite (d) iron, zinc and bismuth Machining properties of steel are improved by adding (c) flakes (c) 0.4% (b) 90% Sn, 2% Cu, 4% Sb, 2% Bi, 2% Mg (e) RC 32. (e) german silver. (a) 63 to 67% nickel and 30% copper (d) 1712°C (b) martensite (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Monel metal contains (e) none of the above. (c) 5% silver Ans: d, 32. (d) soften material (e) corrosion resistance is good. The presence of sulphur in pig iron makes Ans: a, 78. (d) precipitation Ans: b, 85. (e) 85-92% copper and rest zinc. Ans: c, 184. (b) alpha iron and beta iron (c) copper (e) none of the above. (c) 85-92% copper and rest tin with little lead and nickel (d) method of manufacture (e) german silver. Subject Wise Mechanical Engineering Multiple Choice Questions are given below. (b) chromium www.gtu-mcq.com is an online portal for the preparation of the MCQ test of Degree and Diploma Engineering Students of the Gujarat Technological University Exam. Mechanical Engineering MCQ questions and answers for an engineering student to practice, GATE exam, interview, competitive examination and entrance exam. (a) ductile Tensile strength of steel can be safely in-creased by Ans: a, 6. (b) perpendicular to lines of slag distribution Ans: a, 121. Ans: a, 8. (d) graphite as its basic constituent of composition (a) cast iron MECHANICAL ENGINEERING QUIZ. (d) 70-78% copper and rest tin (a) allotropic change ... My friend if you preparing exams this the article provides you with Technical and Non-Technical Section Mechanical Study Material with PDF Download. (d) lamellar layers of carbide distributed throughout the structure (e) 1.7%. (a) gun metal (d) inducing hardness by continuous process Ans: d, 36. (d) cubic structure Ductility of a material can be defined as (a) 600 VPN (b) copper and zinc (b) 1 – 2% Ans: b, 168. Steel made from phosphatic iron is (e) malleable. (b) 910°C (a) mild steel It contains well thought and well explained Mechanical Engineering objective quizzes. (e) nodular aggregates of graphite. (e) none of the above. (c) 85-92% copper and rest tin with little lead and nickel (d) RC 80 (b) heating and cooling rapidly (c) plastic (b) 0.26% German silver is an alloy of Ans: c, 110. (c) method of fabrication (e) surface finish. Ans: a, 21. (e) above 1539°C. (a) 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe (d) silver, copper, aluminium (a) ferrite and cementite (a) tin, antimony, copper (b) a very high percentage of graphite (a) austenite (b) brass (e) none of the above. Which of the following elements does not impart hardness to steel Steam Boilers, Engines, Nozzles and Turbines PART 1 . (a) 0.02% (a) linear (a) molecular change (d) white carbon (d) magnetic steel alloys (c) uniform in all directions Heavy duty leaf and coil spring* contain carbon of the following order Drop forging dies contain carbon of the order of The percentage of carbon in pig iron varies from (c) 910-1440°C Ans: c, 179. Corrundum contains more than 95% Ans: a, 127. Pig iron is the name given to (b) in which stress remains constant on in-creasing load These objective type Strength of Materials questions are very important for campus placement test, semester exams, job interviews and competitive exams like GATE, IES, PSU, NET/SET/JRF, UPSC and diploma. Ans: d, 155. (c) 1050°C (d) good fluidity (b) face centred cubic Question no 164 ans is wrong, phosphor bronze contains up to 1% phosphorus, Please send me the pdf of MCQ with ans of Metallurgy & Material engineering in my email:- safety_dme@yahoo.co.in or debumu78@gmail.com. Ans: e, 182. (d) cubic structure (b) 2.5% silver Paramagnetic alpha iron changes to gamma iron at Ans: a, 141. (a) alpha iron, beta iron and gamma iron Ans: a, 42. (d) above 2.2% In this page you can learn various important railway engineering multiple choice questions and answers, railway engineering objective question answer,railway engineering interview question papers,railway engineering for civil etc. Hardness of lower bainite (tempered martensite) is about (e) silver, lead, tin. (d) nickel, lead and tin (c) cycle chains (c) Si02 (d) duralumin (a) brittle (b) basic Ans: d, 152. Basic solution is one which has pH value (d) nickel, zinc (d) 1.25% (c) aluminium Weld decay is the phenomenon found with (a) substitutional solution (a) free carbon (d) creep strength limits its use to fairly low temperatures Solder is an alloy consisting of (e) 60 : 40. (e) ferrite. (d) around 100°C Ans: b, 44. (e) which have poor properties due to improper manufacturing. Ans: a, 136. (d) release stresses Ans: b, 93. Which is false statement about normalizing. (b) tin Inconel is an alloy of (c) mild steel (c) hot hardness (e) none of the above. Ans: c, 63. (a) compressive strength (e) none of the above. (e) none of the above. which is easy to understand and improve your skill. Ans: a, 159. (d) wrought iron, grey cast iron, low carbon steel Ans: a, 87. (c) silicon (d) It can be easily forge welded Carbon steel is The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to l00°C will (b) ferromagnetic (e) non-ferrous alloys. (d) spheroids (b) malleable (c) copper base alloy (d) 10% silver (a) shot peening (e) nickel, lead. (a) 770°C (c) normalising (c) tungsten (a) creep Strength of Materials Questions And Answers Objective Type for Mechanical Engineering is given below. (b) face centred cubic (d) tungsten and sulfur (c) constantan Delta iron occurs at temperature of 3. (b) 5-7 (d) 82% Sn, 4% Cu, 8% Sb, 3% Al, 3% Mg (d) first increase and then decrease (e) none of the above. Ans: c, 81. (a) 1% silver Corrosion resistance of steel is increased by adding (c) around 0°C (d) cementite (a) room temperature (a) nickel, chromium and manganese (c) endurance (a) along the lines of slag distribution (e) cast iron. (d) is produced by small additions of magnesium (or cerium) in the ladle. (c) responds to heat treatment (c) aluminium and zinc Cast iron has Ans: b, 170. Which of the following alloys does not contain tin (b) nickel (c) nickel, copper, etc. (c) tin and lead (d) cementlte Admiralty gun metal contains (d) all of the above (b) RC 48 (e) phosphorous. It is soft, tough, and easily machined metal (c) which are deoxidised in the ladle with silicon and aluminium (e) superhardening. Compressors, Gas Turbines and Jet Engines PART 1 . In nodular iron, graphite is in the form of (c) less than 7 (d) the points of discontinuity (a) hardening surface of workpiece to ob-tain hard and wear resistant surface (c) non-ferrous materials (c) aluminium (b) refined silver (a) 70% copper and 30% zinc (d) malleable iron (d) 90% magnesium and 9% aluminium with some copper (d) malleable iron Ans: c, 171. Ans: a, 97. (a) by forming a bulge (l>) by shearing along oblique plane Which of the following represents the allotropic forms of iron (e) gun metal. (b) sulphur, phosphorus, lead The alloy used for making electrical resistances and heating elements is (e) atomic change. (b) nickel, molybdenum etc. (b) interstitial solid solution Ans: a, 23. (e) orthorhombic crystal. Learn Engineering Materials MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Ans: c, 27. (e) malleability. In this page you can learn various important estimation and costing in civil engineering multiple choice questions and answers,sloved estimation and costing in civil engineering question papers, important estimation and costing interview question papers,objective questions of electrical estimating and costing etc. DuraJomin contains The number of electrons in 1 cm3 of metal would be of the order of (a) improvement of casting characteristics Timed Mock Tests. It has Wrought iron is (b) duralumin Mechanical Engineering MCQ for SEMESTER VII 1. (e) unpredictable behaviour. (d) obtaining cyanide salts (e) 1.2%. (d) 1539°C (c) ferrite The elastic stress strain behaviour of rubber is (a) acts as deoxidiser The percentage of carbon in grey iron castings usually varies between (e) none of the above. (a) 0.1 to 1.2% (c) RC 57 Ans: c, 10. Ans: a, 166. (b) pearlite (b) tin base alloy Ans: a, 45. Material … (c) nodular form (a) at which crystals first start forming from molten metal when it is cooled Ans: b, 68. (a) modulus of elasticity is fairly low (c) wrought iron (c) wear resistance Ans: e, 114. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. (a) cementite (a) 0.1% (b) improve ductility In compression, a prism of brittle material will break (c) adding carbon and nitrogen by heat treatment of steel to increase its surface hardness (d) elinvar Which is false statement about case hardening. Ans: a, 149. Blast furnace produces following by reduction of iron ore (a) cast iron (c) working at lower temperature (b) product of blast furnace made by reduction of iron ore (e) orthorhombic crystal. 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