Mechanical Engineering : Engineering Materials QUESTIONS AND ANSWERS :: part1 : 11 to 15
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.Which of the following constituents of steels is softest and least strong |
| austenite |
| pearlite |
| ferrite |
| cementlte |
| bainite. |
12.Recrystallization temperature is one |
| at which crystals first start forming from molten metal when it is cooled |
| at which new spherical crystals first begin to form from the old deformed one when a strained metal is heated |
| at which change of allotropic form takes place |
| at which crystals grow bigger in size |
| at which crystals are destroyed on heating. |
13.Gamma iron exits at following temperature |
| room temperature |
| near melting point |
| between 1400�C and 1539�C |
| between 910�C and 1400�C |
| none of the above. |
14.The following types of materials are usually the most ductile |
| face-centred cubic lattice |
| body-centred cubic lattice |
| hexagonal close-packed lattice |
| all of the above |
| none of the above. |
15.Delta iron occurs at temperature of |
| room temperature |
| above melting point |
| between 1400�C and 1539�C |
| between 910�C and 1400�C |
| none of the above. |
More Engineering Materials QUESTIONS AND ANSWERS available in next pages
-
Health is the greatest gift, contentment is the greatest wealth -Buddha
- TNTET 2021 - Practice
- SSC CGL 2021 - Practice
- TNPSC Group 2A 2021 - Practice
- IIT JEE
- IIT JEE Q&A
- TNPSC Answer Keys
- TNPSC Group 2 Syllabus
-
TNPSC Q&A
- Online Tests - TNPSC
- Online Tests - GK
- IBPS 2020-2021
- Online Tests - Bank
- Online Tests - RRB NTPC
- Online Tests - UGC NET
- Online Tests - TANCET
- Online Aptitude Test
-
Engineering
-
Programming
-
Basic Science
-
Quiz
- Plus Two Question Papers
- SSLC Question Bank
-
Aptitude Tests
-
Logical Reasoning
-
General Knowledge-Hindi
-
Indian History MCQ
-
Indian Geography MCQ
-
Indian Civics MCQ
-
Indian Economics MCQ
-
CTET Biology MCQ
-
CTET Chemistry MCQ
-
CTET Physics Solved MCQ
-
Arithmetic Tests
- Press Release
- FAQ
- Coaching Centres
- TNPSC Group 1 Syllabus
-
TNPSC Group IV Syllabus
- TRB 2017 in English PDF
- TRB 2017 in Tamil PDF
- TET
- TNTET
Identify your problems but give your power and energy to solutions- Tony Robbins
