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Mechanical Engineering Exam  >  Mechanical Engineering Tests  >  Topicwise Question Bank for Mechanical Engineering  >  Test: Heat Treatment of Steels - 2 - Mechanical Engineering MCQ

Test: Heat Treatment of Steels - 2 - Mechanical Engineering MCQ


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10 Questions MCQ Test Topicwise Question Bank for Mechanical Engineering - Test: Heat Treatment of Steels - 2

Test: Heat Treatment of Steels - 2 for Mechanical Engineering 2024 is part of Topicwise Question Bank for Mechanical Engineering preparation. The Test: Heat Treatment of Steels - 2 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Heat Treatment of Steels - 2 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Heat Treatment of Steels - 2 below.
Solutions of Test: Heat Treatment of Steels - 2 questions in English are available as part of our Topicwise Question Bank for Mechanical Engineering for Mechanical Engineering & Test: Heat Treatment of Steels - 2 solutions in Hindi for Topicwise Question Bank for Mechanical Engineering course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt Test: Heat Treatment of Steels - 2 | 10 questions in 30 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study Topicwise Question Bank for Mechanical Engineering for Mechanical Engineering Exam | Download free PDF with solutions
Test: Heat Treatment of Steels - 2 - Question 1
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Arrange the following in terms of increasing severity of quench
P. Oil quenching
Q. Water quenching
R. Water quenching with agitation
S. Brine quenching

Test: Heat Treatment of Steels - 2 - Question 2
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Which one of the following does not improve fatigue life of a steel component?

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Test: Heat Treatment of Steels - 2 - Question 3
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As per the TTT diagram, bainite will form in eutectoid plain carbon steel when heated to 8500C followed by

Test: Heat Treatment of Steels - 2 - Question 4
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Match the heat treatment processes of steels in Group-1 with the microstructural features in Group-2:
Group-1
P. Quenching
Q. Maraging
R. Tempering
S. Austerepering
Group-2
1. Bainite
2. Martensite
3. Intermetallic precipitates
4. Epsilon carbide
Test: Heat Treatment of Steels - 2 - Question 5
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During carburising, carbon is introduced to form a layer of high carbon at the surface, The carbon is introduced in the form of
Detailed Solution for Test: Heat Treatment of Steels - 2 - Question 5

Carburizing is the most widely method of surface hardening. The surface layers of a low carbon steel (C ≤ 0.2%) is enriched with carbon up to 0.8 - 1 %. The source of carbon may be a solid , liquid or gas medium. In all cases, the carbon enters the steel at the surface-and diffuse into the steel as a function of time at an elevated temperature.

Test: Heat Treatment of Steels - 2 - Question 6
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Maximum surface hardness is attained by
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Maximum surface hardness is produced by nitriding; next come cyaniding and carburising.

Test: Heat Treatment of Steels - 2 - Question 7
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Select the WRONG statement:
Test: Heat Treatment of Steels - 2 - Question 8
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Select the wrong statement:
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In nitriding, only nitrogen is used.

Test: Heat Treatment of Steels - 2 - Question 9
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Killed steels
Test: Heat Treatment of Steels - 2 - Question 10
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The following structure is obtained by Austempering process of heat treatment
Detailed Solution for Test: Heat Treatment of Steels - 2 - Question 10

Bainite is produced by austempering process. In this process sample is heated and quenched to room temperature below the nose of T-T-T diagram and this temperature is maintained for a substantial period of time so that cooling curve enters into T-T-T diagram.

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