(d) contents of alloying elements Which are very useful for all kind of GATE, ESE, SSC, RRB, State and Central level civil services exams. Dislocations in materials refer to the following type of defect (d) ferrite and iron graphite (e) 0.8%. Ans: b, 194. (b) increase Following elements have face-centred cubic structure (e) zinc. (b) body-centred cubic lattice A cold chisel is made of (c) zinc, tin, lead Ans: b, 17. (a) by forming a bulge (l>) by shearing along oblique plane Carbon in iron is an example of (b) 1500 VPN (b) 0.06% (b) It melts at 1535°C (a) hot hardness (c) manganese Induction hardening is the process of (e) pearlite and ferrite. (a) 70% copper and 30% zinc (b) recrystallisation (d) 0.8% (e) above recrystallization temperature. (a) 0.1 to 0.3% (d) sharp cutting edge (c) 0.6 to 0.8% (c) which is not attacked by phosphorous (b) creep (e) none of the above. An important property of malleable cast iron in comparison to grey cast iron is the high Mechanical Engineering all Subjects Multiple Choice Questions with Answers Practice Test Series: To download the e-books, pdf file of all Mechanical Engineering Subjects Practice Tests with Answers + Mechanical Technical Interview, go to E-books Corner. (a) 770°C Ans: c, 131. (e) white iron. (d) spheroids (e) none of the above. (c) improves cutting ability and reduces hardenability Recrystallization temperature is one (d) spheroids (e) all of the above. Ans: c, 157. (a) greater than 7 (c) between 1400°C and 1539°C (c) copper (b) adding carbon up to 6.3% 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. Brass contains ME8595 Thermal Engineering- II Download MCQ. (c) iron, lead and tin (a) improvement of casting characteristics (b)TO16 (b) manganese in steel induces hardness (e) first decrease and then increase. Cupola produces following material (c) 1489°C Mechanical Engineering MCQ questions and answers especially for the Mechanical Engineer and who preparing for GATE Exam. (b) titanium alloys (e) relieve internal stresses. (b) 40 : 60 (e) copper and chromium. (e) none of the above is true. White cast iron contains carbon in the form of (d) in which carbon is completely burnt Graphite is in the nodular or spheroidal form and is well dispersed throughout the material Free cutting steels Addition of manganese to aluminium results in and answers on Mechanical Engineering MCQ questions on Mechanical Engineering objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. (e) 1.2%. (e) shape of carbides and their distribution in iron. (c) flakes (b) 0.3 to 0.6% (e) raises its melting point. (b) 88% copper and 10% tin and rest zinc (b) 910°C (d) cobalt (b) free carbon (a) body centred cubic (b) F.C.C. (d) iron in molten form in the ladles (e) none of the above. (b) ductility Ans: a, 98. (c) hexagonal close-packed lattice (b) solder admiralty (a) lead base alloy (e) nickel, lead. (a) iron LearnEngineering.in Put an effort to collect MCQ for the subjects of Anna University department to make use of it for upcoming November/ December 2020 Online Examination. Ans: d, 155. Constantant an alloy used in thermocouples is an alloy of Ans: d, 152. (d) tough (d) iron (b) 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg Ans: a, 191. (b) %age of alloying elements Ans: b, 119. (b) above melting point Engineering Materials MCQ question is the important chapter for a Mechanical Engineering and GATE students. Can u send me the mechanical qsns with answrs in pdf format please…….. In grey cast iron, carbon is present in the form of (e) 90 : 10. (a) tin, antimony, copper (a) mild steel (d) RC 80 (a) cementite 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. Remedial exam is conducted by dbatu university after every semester exam for the students failing in regular end sem exam. INDUSTRIAL ENGINEERING Multiple choice Questions :-1. Hardness of upper bainite (acicular structure) is about (c) ability to undergo large permanent deformations in tension (c) 10% aluminium and 90% copper (e) 100% silver. (d) cementite Melting point of iron is (c) carbon content Ans: a, 145. Ans: a, 23. The crystal of alpha iron is (c) ferrite and austenite (c) 910-1440°C Following are the model MCQs in PDF for all semesters of mechanical engineering course. (b) 1% phosphorous A reversible change in the atomic structure of steel with corresponding change in the properties is known as Ans: e, 40. Ans: a, 147. (a) aluminium (a) nichrome (d) 0.5% (e) none of the above. (b) less than 7 (a) decrease (d) brittle (d) alloy steel (d) first increase and then decrease Which one of the following metals would work-harden more quickly than the others? GATE, IES, SSC JE, RRB JE, CSIR, Previous Solved Paper, Exams Syllabus, Handwritten notes, Study Material Pdf Download, Exam Preparation strategy. (d) tungsten steel (e) austempering. (e) peiminvar. (d) nickel, lead and tin (e) none of the above. Addition of copper to aluminium results in Ans: c, 27. Malleability of a material can be defined as Home >> Category >> Mechanical Engineering ... Hardness of a material enables it to resist _____ a. abrasion b. penetration c. plastic deformation d. all of the above. Technical Terms. (d) 250 VPN (c) adding carbon up to 0.83% (d) below recrystallisation temperature (d) volumetric defect (d) steel Surveying tapes are made of a material having low coefficient of expansion and enough strength. Automobile Engineering: (b) 910°C Students can attempt remedial exam for the subjects only from regular semester and it is golden chance to clear backlogs in MCQ based exam. Pick up the wrong statement Nickel and chromium in steel help in Sir will u pls email this pdf to my mail id. (a) 70% copper and 30% zinc (a) contains 1.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron (b) combined form (d) vanadium (b) vitrified clay (c) magnin (e) aluminium. (c) the points where there is no further flow of metal Ans: a, 142. a) cast iron Ans: a, 104. Ans: d, 175. Cast iron has (d) high carbon steel (e) piston I.C. (a) kind of stainless steel (a) silver, copper, zinc Ans: b, 65. Cold rolled steel sheets contain carbon of the following order Which is false statement about tempering. It is soft, tough and easily machined metal (b) 0.26% Ans: c, 41. (b) harden steel slightly Ans: a, 8. Please send PDF link of mcq of mechanical engineering, If you have PDF of all subjects please mail me at prudhvirajsagih1@gmail.com, Sir mind emailing me the pdf ?? (a) cobalt (b) ability to recover its original form (a) promotes decarburisation (e) 1.0 to 1.2%. (e) pearlite and ferrite. If you don't see any interesting for you, use our search form on bottom ↓ . Pure iron is the structure of (a) high maehinability (a) below 10°K (c) stages at which properties do not change with increase in temperature Ans: b, 122. (c) decreases tensile strength and hardness (e) sulphur, phosphorous and lead im¬prove machining properties of steel. (a) dipping steel in cyanide bath (a) silver and some impurities (c) tin, lead and silver (c) Si02 I.C. (d) extensively used for making cutting tools (b) alpha iron and beta iron (a) ferrite and cementite (c) cast iron (c) body centred cubic a-iron and face centred cubic a-iron (b) improvement of corrosion resistance (a) 87.75% Sn, 4% Cu, 8% Sb, 0.25% Bi Ductility of a material can be defined as (a) ability to undergo large permanent deformations in compression (b) ability to recover its original form (c) ability to undergo large permanent deformations in tension (d) all of the above (e) none of the above. Tungsten in high speed steel provides (a) paramagnetic (d) cementlte (a) copper and tin Brass (alloy of copper and zinc) is an example of (a) zinc (d) wrought iron Phosphor bronze contains Ans: d, 20. (d) MgO (b) contain carbon in free form (c) allotropic change Ans: a, 21. (b) phosphorous, lead and sulphur (c) anstenite Elinvar, an alloy used in precision instruments, hair springs for watches, etc. (a) acidic Gamma iron exits at following temperature (c) working at lower temperature BATU First Year Question Papers Summer 2018, Question Bank of DBATU B.Tech Examinations, Civil Engineering MCQ in PDF | DBATU Remedial Exam. (e) none of the above. (e) phosphorous. Ans: b, 29. Which is false statement about properties of aluminium Mild steel belongs to the following category Recrystallisation temperature can belowered by Mechanical Engineering MCQ questions and answers for an engineering student to practice, GATE exam, interview, competitive examination and entrance exam. Ans: b, 156. (b) nickel, copper The usual composition of a soldering alloy is Process of austempering results in (a) 0.025% (d) adding small quantities of copper (b) high speed steel (c) wrought iron,low carbon steel, grey cast iron (a) tin, lead and small percentage of antimony (d) spheroids (b) is also known as chilled cast iron and is obtained by cooling rapidly. (b) medium carbon steel (b) low carbon steel Rs khurmi objective book mechanical pdf free download: Hey everybody, in this article we are going to share with you the rs khurmi mechanical engineering pdf for all those students who are planning to make their career in the engineering field. These pipes may be made of Maximum percentage of carbon in austenite is Which of the following pipes is least corrosion resistant (d) pH value has nothing to do with neutral solution Ans: b, 68. (b) interstitial solid solution (e) carbon. (c) normalising (d) ferrite and iron graphite ‘Killed steels’ are those steels (e) 85-92% copper and rest zinc. (b) hot tempering (c) a iron (below 910°C and between 1400 to 1539°C), W Ans: a, 66. (a) gun metal (e) orthorhombic crystalline structure. Ans: a, 69. Graphite is in nodular or spheroidal form and is well dispersed throughout the material Tungsten in steel (e) none of the above. (e) mild steel. (e) surface finish. (e) none of the above. (a) 1% silver (c) copper base alloy (c) in circular motion (b) bronze (e) adding copper and carbon. (b) hardness (b) cast iron (d) obtaining cyanide salts (c) is produced by annealing process. Ans: d, 39. Ans: b, 180. (c) tin and lead (A) Bessemer process (B) Open hearth process (C) Electric process (D) LD process 3) The co-ordination ... Read more Material Science MCQ Questions … (c) RC 57 (a) compressive strength Slow plastic defomiation of metals under a constant stress is known as Fluid Mechanics PART 1 . (b) nodular iron Ans: c, 92. (d) is produced by small additions of magnesium (or creium) in the ladle. (c) medium carbon steel Ans: a, 64. (c) iron containing huge quantities of carbon (c) silver (c) copper and iron (c) 1000 to 1100 VPN Aluminium bronze contains On this page you can read or download online mcq for se mechanical engineering in material science in PDF format. Depth of hardness of steel is increased by addition of (d) 90% magnesium and 9% aluminium with some copper (e) nickel and iron alloy having high permeability. (a) copper Ans: c, 16. (d) creep strength limits its use to fairly low temperatures Ans: a, 167. (e) orthorhombic crystal. (b) the shape and distribution of the car-bides in iron The alloy used for making electrical resistances and heating elements is (b) 90% Sn, 2% Cu, 4% Sb, 2% Bi, 2% Mg engine. (e) none of the above. (d) 70-75% copper and rest tin (a) 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe Gun metal contains (d) iron, aluminium and magnesium Basic solution is one which has pH value (b) in a haphazard way (a) tenacity Weld decay is the phenomenon found with (b) chromium (e) 94% aluminium and 6% tin. (c) ferrite (c) aluminium and zinc (a) in which parts are not loaded (e) none of the above. Ans: a, 127. Drop forging dies contain carbon of the order of (c) alloying elements like chromium, tungsten nickel and copper (c) remain constant (e) graphite. (a) ductile (c) vanadium (a) ability to undergo large permanent deformations in compression (a) below 723°C (d) all of the above (c) lead (b) which after their destruction are recycled to produce fresh steel Isotropic materials are those which have the same Multiple choice questions here are on topics such as Machine Design, Theory of Machines, Hydraulic Machines etc. Bronze contains (e) 90% magnesium and 10% tin. (c) mild steel (e) 1052 The ability of a material to resist softening at high temperature is known as Engineering Mathematics-I Engineering Mathematics-II Engineering Chemistry Engineering Physics Basic Computer Programming Communication Skills Engineering Mechanics Energy and Environmental Engineering Remedial MCQ for Second Year Download the pdf of model mcq for dbatu remedial exam by clicking the respective subjects from 3rd sem and 4th sem of second year mechanical engineering … (a) nickel, chromium and manganese (d) Boeschinger effect Ans: c, 38. (e) non-plastic deformation. (e) none of the above. (d) tungsten, molybdenum, vanadium, chromium (c) aluminium (b) is also known as chilled cast iron and is obtained by cooling rapidly. Ans: d, 115. Practice Test: Question Set - 07 1. (e) none of the above. (e) RC 32. (a) hard’ (c) homogeneous Ans: d, 139. The crystal structure of brass is (e) RC 32. The permissible stress for carbon steel under static loading is generally taken as (a) 2000-3000 kg/pm2 (b) 3000-4000 kg/cm2 (c) 4000-4500 kg/cm2 (d) 7500-10,000 kg/cm2 (e) 10,000-15,000 kg/cm2. (a) F.C.C. (d) cast steel Ans: a, 187. Ans: a, 153. (a) cementite Ans: a, 186. Ans: a, 97. (a) substitutional solution (e) gun metal. Which is false statement about normalizing. (d) 1040 (b) improve ductility Ans: a, 160. Encrypting your link and protect the link from viruses, malware, thief, etc! (e) 10% aluminium and 90% tin. (a) improvement of casting characteristics (c) 1050°C The hardness of steel increases if it contains (e) none of the above. Ans: a, 96. Basic constituents of Monel metal are Ans: d, 91. My play listHeat Transfer, Refrigeration and Air Conditioning MCQhttps://www.youtube.com/playlist?list=PLY9TLnmM2s-k939nAjVs0ACkdoX2fB2N4Refrigeration … Aluminium bronze contains aluminium and copper in the ratio of (b) lead Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. (a) sulphur, lead, phosphorous (e) least resistant to corrosion. (a) magnesium alloys Ans: b, 123. Compressive strength of grey cast iron in tonnes/cm is of the order of Ans: c, 77. (c) 2.5 to 4.5% (e) increases the fluidity. (e) none of the above. Ans: e, 89. (e) none of the above. A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as University after every semester exam for the preparation of the above, Theory of Machines, Machines. This page provides more than 10000 valuable Mechanical Engineering mechanical engineering material mcq pdf in PDF for all kind of GATE,,! 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