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Mechanical Engineering Exam  >  Mechanical Engineering Tests  >  Design of Machine Elements  >  Test: Plain Carbon Steels - 2 - Mechanical Engineering MCQ

Test: Plain Carbon Steels - 2 - Mechanical Engineering MCQ


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10 Questions MCQ Test Design of Machine Elements - Test: Plain Carbon Steels - 2

Test: Plain Carbon Steels - 2 for Mechanical Engineering 2024 is part of Design of Machine Elements preparation. The Test: Plain Carbon Steels - 2 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Plain Carbon Steels - 2 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Plain Carbon Steels - 2 below.
Solutions of Test: Plain Carbon Steels - 2 questions in English are available as part of our Design of Machine Elements for Mechanical Engineering & Test: Plain Carbon Steels - 2 solutions in Hindi for Design of Machine Elements course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt Test: Plain Carbon Steels - 2 | 10 questions in 10 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study Design of Machine Elements for Mechanical Engineering Exam | Download free PDF with solutions
Test: Plain Carbon Steels - 2 - Question 1
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Which of the following property is affected by heat treatment?

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Explanation: Heat treatment involves changes in the micro structure and hence all the internal properties are effected.

Test: Plain Carbon Steels - 2 - Question 2
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Annealing involves heating the component to a temperature

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Explanation: In annealing, component is heated to a temperature above than critical temperature.

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Test: Plain Carbon Steels - 2 - Question 3
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Which of the following is true?

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Explanation: In annealing, the furnace is switched off and component cools slowly. In normalising, component is air cooled.

Test: Plain Carbon Steels - 2 - Question 4
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 Quenching
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Explanation: During quenching, component is rapidly cooled which leads to formation of martensite. Hence hardness increases.

Test: Plain Carbon Steels - 2 - Question 5
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Tempering involves
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Explanation: Tempering involves reheating the quenched product to a temperature less than transformation range. It improves ductility and reduces brittleness.

Test: Plain Carbon Steels - 2 - Question 6
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Silicon addition in spring steel increases its toughness.  
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Explanation: Silicon addition increases strength without lowering the ductility.

Test: Plain Carbon Steels - 2 - Question 7
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Nickel addition in alloys
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Explanation: Nickel addition increases toughness by limiting grain growth.

Test: Plain Carbon Steels - 2 - Question 8
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 Flame hardening involves
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Explanation: Flame Hardening is a process of heating the surface with a flame above critical temperature and then quenching it.

Test: Plain Carbon Steels - 2 - Question 9
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 Induction hardening process involves
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Explanation: Heating can only be done in presence of alternating current and not constant current.

Test: Plain Carbon Steels - 2 - Question 10
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Case carburising involves
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Explanation: Case carburising involves introducing carbon at surface layer. Medium can be liquid, solid or gas and high case depths are possible.

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