mechanical engineering material mcq pdf

(c) copper, nickel and antimony Maximum percentage of carbon in austenite is (a) silicon and sulphur (c) adding carbon and nitrogen by heat treatment of steel to increase its surface hardness (a) it easily machinable (c) ductile (b) cementite and gamma iron Slow plastic defomiation of metals under a constant stress is known as Which of the following has highest specific strength of all structural materials Home; ENGINEERING DRAWING; Engineering; MOTOR VEHICLE ACT 1988; CENTRAL MOTOR VEHICLE RULE 1989; AUTOMOBILE MCQ; COMPUTER SCIENCE; Download This Template; Home / Unlabelled / MATERIAL SCIENCE 240 MCQ PDF DOWNLOAD. (c) body centred cubic a-iron and face centred cubic a-iron (e) density throughout. (e) piston I.C. (e) antimony, copper and zinc. Ans: d, 33. (b) 0.3 to 0.6% (a) 0.1 to 0.3% Tungsten in steel (b) graphite (b) hot rolled steel (e) nickel. 2. Ans: c, 77. Ans: a, 54. (c) cold working (d) all of the above (e) ell of the above. Set of model questions for dbatu remedial exam for first year, second year and third year B.Tech Mechanical Engineering have been published in pdf format. ME8593 Design of Machine Elements Download MCQ. (a) copper and tin (a) cast iron Ans: a, 159. Gamma iron exits at following temperature An important property of high silicon (12 – 18%) cast iron is the high (e) aluminium. (b) pearlite heres my email tigermove87@yahoo.com or tigermove87@gmail.com, Sir, Please send me Pdf of M.E subject. The crystal structure of brass is Can u send me the mechanical qsns with answrs in pdf format please…….. Graphite is in nodular or spheroidal form and is well dispersed throughout the material 1. A reversible change in the atomic structure of steel with corresponding change in the properties is known as (b) wear resistance is very good (a) along the lines of slag distribution (a) greater than 7 (b) it brittle (e) nickel and iron alloy having high permeability. (e) none of the above. (b) increase (e) bainite. (b) stresses induced in all directions (d) is produced by small additions of magnesium (or cerium) in the ladle. (c) vanadium, aluminium Ductile cast iron Ans: b, 47. (e) non-plastic deformation. Ans: c, 38. (e) nodular aggregates of graphite. (b) face centred cubic (a) hardening surface of workpiece to ob-tain hard and wear resistant surface (b) F.C.C. (d) 5 – 7% Ans: d, 28. (d) silicon (e) 60 : 40. It is almost unmachinable Material … (a) brass It is almost unmachinable Which is false statement about tempering. (d) inducing hardness by continuous process Ans: a, 21. (e) silver and gold. (c) high carbon steel (d) flat form If a refractory contains high content of silicon, it means refractory is Ans: d, 101. Bronze contains Ans: b, 194. (a) 0.2% Ans: a, 15. Ans: e, 43. (d) white carbon (d) tin and copper Ans: a, 126. structure (b) soft Ans: e, 165. MATERIAL SCIENCE 240 MCQ PDF DOWNLOAD February 14, 2020. (c) uniform in all directions (a) improves wear resistance, cutting ability and toughness (b) heating and cooling rapidly (e) 4.5 to 6.3%. (d) 4 to 4.5% (d) tough Ans: b, 56. Ans: a, 82. Timed Mock Tests. Ans: d, 36. (a) 0.1 to 1.2% Following are the model MCQs in PDF for all semesters of mechanical engineering course. Ans: b, 103. (d) heat treated to change its properties (d) elements like phosphorus, sulphur and silicon in varying quantities (a) 600 VPN Home >> Category >> Mechanical Engineering ... Hardness of a material enables it to resist _____ a. abrasion b. penetration c. plastic deformation d. all of the above. Ans: d, 195. (c) above 1% (b) 2.5% silver Ans: a, 176. (e) none of the above. Ans: b, 86. (d) all of the above (e) white iron. (a) mild steel (a) raw material for blast furnace High carbon steel carries carbon %age c engine. (c) stainless steel (c) 1440°C Which of the following pipes is least corrosion resistant Large forgings, crank shafts, axles normally contain carbon up to Basic solution is one which has pH value (d) magnetic steel alloys (c) tungsten (b) reacting steel surface with cyanide salts Maximum percentage of carbon in ferrite is (a) cast iron Ans: a, 145. Pig iron is the name given to (e) sulphur, phosphorous and lead im¬prove machining properties of steel. Cobalt in steel Ans: d, 192. (e) high carbon steel. (a) paramagnetic Hardness of martensite is about (c) fusible metal Subject wise Mechanical Engineering MCQ Question Answers Internal Combustion Engine Theory of Machines Power Plant Engineering Fluid Mechanics Refrigeration & Air Conditioning Strength of Materials Heat & Mass Transfer Industrial Engineering Production Engineering Thermodynamics Machine Design Material Science (b) german silver (a) amount of carbon it contains Paramagnetic alpha iron changes to gamma iron at (a) copper, zinc and iron (b) 0.20 to 0.45% (d) babbit metal Ans: d, 20. Ans: b, 180. Ans: d, 177. (c) 1489°C (b) in which stress remains constant on in-creasing load (e) grey cast iron, wrought iron, low carbon steel. Acidic solution is one which has pH value (d) cutting tool material (a) cold rolled steel (a) RC 65 (b) 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg Dow metal contains (e) brass. Ans: c 2. Ans: c, 19. Inconel is an alloy of (b) 90% copper and 10% tin Ans: a, 186. (e) shape of carbides and their distribution in iron. (b) interstitial solid solution (d) 82% Sn, 4% Cu, 8% Sb, 3% Al, 3% Mg The unique property of cast iron is its high (d) 70-75% copper and rest tin (e) 1.2%. Ans: e, 164. (a) tenacity The loss of strength in compression with simultaneous gain in strength in tension due to overloading is known as (e) the points where major changes take place. (b) cyaniding Ans: b, 88. (d) tungsten, molybdenum, vanadium, chromium (e) 70% copper and 30% tin. Ans: d, 175. Ans: a, 87. Surveying tapes are made of a material having low coefficient of expansion and enough strength. Ans: b, 146. (d) wrought iron (c) 85-92% copper and rest tin with little lead and nickel (a) aluminium in steel results in excessive grain growth (d) has its atoms distributed in a random pattern (c) adding carbon up to 0.83% Ans: b, 122. (a) low carbon steel (b) medium carbon steel Ans: b, 76. Depth of hardness of steel is increased by addition of (e) none of the above. (e) inelasticity. (a) magnesium alloys (a) promotes decarburisation Ans: a, 163. (d) 1712°C (b) high ductility The percentage of carbon in grey iron castings usually varies between Monel metal contains Annealing of white cast iron results in production of (d) back and forth like tiny pendulums Ans: b, 143. Which of the following represents the allotropic forms of iron (e) none of the above. (d) manganese Ans: b, 85. (a) sulphur, lead, phosphorous (e) cast iron steel. (b) stages at which further heating does not increase temperature for some time (d) all of the above (e) copper. (a) substitutional solution (b) 1% phosphorous The following types of materials are usually the most ductile Annealing is done to Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. (c) the points where there is no further flow of metal (c) remain constant (c) in direction perpendicular to application of load (a) tensile strength (e) german silver. (c) iron containing huge quantities of carbon Gun metal contains (b) bronze Ans: c, 108. so, you have come on a right place. (d) all of the above Subject Wise Mechanical Engineering Multiple Choice Questions are given below. The correct composition of Babbit metal is (e) lubricants. (d) 90% magnesium and 9% aluminium with some copper (c) RC 57 (c) aluminium (d) wrought iron (b) provides high hot hardness (a) hysteresis (c) high tensile strength Ans: d, 91. (c) silver, lead, zinc (b) adding carbon up to 6.3% (d) cementite Online Quizzes. (b) pearlite (c) plastic (d) cubic structure (c) 910-1440°C (c) Si02 Ans: b, 123. Which is false statement about case hardening. (c) hot hardness (c) method of fabrication (b) product of blast furnace made by reduction of iron ore Structural steel contains following principal alloying elements Ans: a, 147. (e) 94% aluminium and 6% tin. (c) normalising (d) It can be easily forge welded (c) a iron (below 910°C and between 1400 to 1539°C), W (e) malleable. (d) sharp cutting edge (d) volumetric defect (b) improvement of corrosion resistance (d) cast iron A graphical device used to determine the break-even point and profit potential under varying conditions of output and costs, is known as (a) Gnatt chart (b) flow chart (c) break-even chart (d) PERT chart (e) Taylor chart. (d) high carbon Ans: a, 169. Ans: a, 98. (b) hardness (c) between 1400°C and 1539°C Ans: c, 41. (c) 0.6 to 0.7% (e) invar. (e) none of the above. (b) sulphur (c) in circular motion (b) vitrified clay (b) equal to 7 (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 It is soft, tough, and easily machined metal (b) 88% copper and 10% tin and rest zinc (d) gives ductility, toughness, tensile strength and anti corrosion property: Material Science Questions Answers MCQ – Mechanical Engineering 1) An example of amorphous material is a) brass b) glass c) silver d) lead 2)Which of the following steel making process is being adopted at Rourkela (in India) Steel Plant? Following elements have face-centred cubic structure Mechanical Engineering MCQ questions and answers especially for the Mechanical Engineer and who preparing for GATE Exam. (e) none of the above. (c) 0.8% Ans: b, 93. (a) 0.05 to 0.20% (e) non-ferrous alloys. (b) non-linear (d) gives ductility, toughness, tensile strength and anticorrosion properties (d) concrete (b) ability to recover its original form (c) ferroelectric (d) at which crystals grow bigger in size (e) none of the above. Eutectoid steel contains following percentage of carbon (a) copper (d) copper and nickel Case hardening is done by (c) wrought iron,low carbon steel, grey cast iron (e) silver, lead, tin. Free cutting steels (b) 40 : 30 : 20 : 10 (a) nickel (b) manganese in steel induces hardness On this page you can read or download online mcq for se mechanical engineering in material science in PDF format. Aluminium bronze contains (a) cast iron Super conduction by metals is observed in the temperature range of (a) kind of stainless steel (b) gun metal Neutral solution is one which has pH value (c) silicon (e) RC 32. Ans: d, 84. (e) none of the above. (a) cast iron (a) 70% copper and 30% zinc Melting point of iron is (e) 90% copper and 10% zinc. (b) its elastic limit close to the ultimate breaking strength Ans: b, 119. (c) H.S.S. (a) 1539°C 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 premkumar.k says: August 12, 2016 at 4:36 am Lead is poured into the joint between two pipes. Amorphous material is one (c) endurance (d) lead and zinc Which of the following alloys does not have copper as one of the constituents Cold rolled steel sheets contain carbon of the following order Heavy duty leaf and coil spring* contain carbon of the following order (e) none of the above. Normalizing is done to (b) 770 – 910°C (b) improving machining properties (c) 5% silver Brass (alloy of copper and zinc) is an example of (c) improve machining characteristic (c) alloy of tin, lead and cadmium ME8595 Thermal Engineering- II Download MCQ. The ultimate tensile strength of low carbon steel by working at a high strain rate will (d) 1.0% (b) ductility (d) spheroids (d) 10% silver (a) aluminium (b) silicon, aluminium, titanium (a) below 0.5% (e) none of the above. (e) ferrite. (b) 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg Ans: b, 111. Ans: d, 60. Ans: e, 50. (c) 70 : 30 (d) hardness (c) silver (d) corrosion resistance Ans: d, 134. Admiralty gun metal contains (e) making corrosion resistant steel. Ans: a, 8. In mottled cast iron, carbon is available in Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio (d) fatigue (e) none of the above. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. (b) low melting point Ans: a, 80. Ans: e, 58. (a) greater than 7 (e) german silver. (b) nickel (c) 1000 to 1100 VPN (d) 1400-1539°C Ans: a, 23. (b) RC 48 (b) basic (a) 70% copper and 30% zinc I.C. (d) duralumin (c) neutral (a) stainless steel (b) improvement of corrosion resistance (b) vanadium Mechanical Engineering Mcqs for Preparation of Job Test and interview, freshers, Students, competitive exams etc. Ans: c, 106. (a) silver metal (b) silver, tin, nickel (a) high resistance to rusting and corrosion (d) 250 VPN (e) none of the above. Ans: a, 9. (c) magnin Ans: c, 70. (d) no fixed relationship (a) 50 : 50 (d) stress reduces on increasing load ME8594 Dynamics of Machines Download MCQ. (d) 0.55 to 1.0% Compressors, Gas Turbines and Jet Engines PART 1 . (d) 0.6% Recrystallisation temperature can belowered by Which of the following alloys does not contain tin (e) 1.5%. (c) 85-92% copper and rest tin with little lead and nickel (e) malleable. Ans: d, 102. Ans: a, 57. Ans: a, 69. (e) 1.5 to 2.5%. Remedial exam is conducted by dbatu university after every semester exam for the students failing in regular end sem exam. Permalloy is a MECHANICAL ENGINEERING QUIZ. (e) orthorhombic crystal. (c) flakes (a) hard (e) atomic change. Ans: b, 17. Strength of Materials Questions And Answers Objective Type for Mechanical Engineering is given below. (c) zinc Ans: a, 142. Nickel in steel Ans: a, 45. (d) all of the above (d) grey iron (d) improving machinability (c) plane defect (b) hard (b) exists in several crystal forms at different temperatures (b) fatigue (e) 90 : 10. The following element can’t impart high strength at elevated temperature (b) Mg, Zn, Ti, Zr, Br, Cd Steel made from phosphatic iron is (e) none of the above. (c) improves cutting ability and reduces hardenability (C) wrought iron Ans: c, 81. (d) good fluidity Ans: a, 193. (e) above 1000°C. Cyaniding is the process of Ans: e, 182. 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. The alloy used for making electrical resistances and heating elements is (c) hexagonal close packed (c) asbestos cement (a) carbon (a) contains 1.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron (c) alloy of tin, lead and cadmium Ans: a, 64. An engineer’s hammer is made of (e) copper, zinc and antimony. (c) is produced by annealing process. (e) pearlite and ferrite. (e) brass. Points of arrest for iron correspond to Materials after cold working are subjected to following process to relieve stresses (c) chromium alloys (a) 0.025% (c) nickel (e) nodular aggregates of graphite. (c) less than 7 Sulphur in steel (d) between 910°C and 1400°C (a) molecular change (a) 0.5 to 1% Engineering Materials - Mechanical Engineering (MCQ) questions and answers. The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is (c) thermal properties in all directions (b) mild steel (c) stages at which properties do not change with increase in temperature These are the selective and important questions of Mechanical Engineering. (a) nickel, chromium and iron (c) alloy of tin, lead and cadmium (b) duralumin 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. (e) unpredictable behaviour. (d) cubic structure The basic constituents of Hastelloy are Ans: c. 2. Ans: c, 2. Ans: c, 157. Process of austempering results in (c) equal to 7 The hardness of steel primarily depends on (b) B.C.C. (a) body centred cubic (d) vanadium Ans: b, 125. (d) 70-75% copper and rest tin Mechanical Engineering MCQ questions and answers for an engineering student to practice, GATE exam, interview, competitive examination and entrance exam. Ans: a, 153. (e) RC 32. (c) cycle chains View EE MCQ.pdf from MECHANICAL ENGR6911 at Sultan Qaboos University. crystalline structure Ans: c, 130. crystal structure (c) nickel Ans: a, 140. (c) lead (d) by crushing into thousands of pieces (b) RC 48 (b) solder admiralty (e) malleability. (c) working at lower temperature (e) none of the above. Ans: d, 181. (a) alpha iron, beta iron and gamma iron (d) raising the elastic limit The usual composition of a soldering alloy is (d) cobalt Ans: a, 167. (e) 1052 (e) none of the above. (d) first increase and then decrease (c) at which change of allotropic form takes place (A) Bessemer process (B) Open hearth process (C) Electric process (D) LD process 3) The co-ordination ... Read more Material Science MCQ Questions … Ans: b, 112. (c) wrought iron (a) silver and some impurities (b) pig iron (b) tin base alloy (a) 0.025% Weld decay is the phenomenon found with Ans: e, 114. (d) below recrystallisation temperature (a) 50 : 20 : 20 : 10 (e) permit further cold working. (b) refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties (b) copper Ans: d, 37. Argentite is the principal ore or raw material for Malleability of a material can be defined as Ans: a, 3. (d) silver (a) elastic properties in all directions mail id :arunpandiyan51995@gmail.com, could you send me the questions pdf related to Materials and Metallurgical Engineering to the following e mail id? (d) 1.25% The transistor is made of Ans: b, 51. Pearlite is a combination of (d) elinvar Hardness of steel depends on (c) vanadium, aluminium (a) providing corrosion resistance (a) ferrite (d) cast steel Ans: a, 46. (e) first decrease and then increase. (e) nil. Vanadium in high speed steels Pick up wrong statement about wrought iron (e) none of the above. Ans: b, 156. (d) 0.8 to 1.5% The crystal of alpha iron is Ans: e, 40. ) lead ( d ) manganese ( e ) none of the following element results in presence free! Machines etc for all kind of GATE, ESE, SSC, RRB, State and Central level services... My friend if you like Mechanical Engineering Objective quizzes exams this the article you. Is poured into the joint between two pipes » Engineering Materials Multiple Choice Questions ).. Orthorhombic crystalline structure more quickly than the others students failing in regular end sem exam search form on bottom.! Dbatu University after every semester exam for the preparation of the above thief, etc Machines PART 1 Power... Gate exam Engineering: Strength of material ( SOM ) Mechanical Engineering MCQs topic! Such as Machine Design, Theory of Machines, hydraulic Machines PART 1 to clear backlogs in based. 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