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Metallurgical Testing and Inspection MCQ Questions and Answers | Metallurgical Engineering

Enhance your knowledge of Metallurgical Testing and Inspection with this comprehensive collection of MCQ questions and answers. These MCQ questions and answers in Metallurgical Testing and Inspection are specifically designed for students of Metallurgical Engineering who are preparing for the GATE Exam. Strengthen your preparation and excel in your studies with this valuable resource. Page-4 section-1

Each section contains 100 MCQs on Metallurgical Testing and Inspection .
31
Radiographic enlargement to distinguish small defects is possible
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Answer & Solution
Answer: Option A
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32
A suitable technique for monitoring a growing crack in an alloy is
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Answer & Solution
Answer: Option C
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33
Which of the following techniques are not applicable for detecting internal flows in a ceramic material?
1. Liquid penetration test
2. Radiography
3. Ultrasonic testing
4. Eddy current method
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Answer & Solution
Answer: Option D
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34
Which penetrant process is best suited to detect shallow discontinuities?
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Answer & Solution
Answer: Option C
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35
For HRA scale load and indenter are used
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Answer: Option C
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36
Which one of the following NDT techniques cannot be used to detect an internal crack in a steel shaft?
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Answer & Solution
Answer: Option A
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37
The ASTM grain size number N for a structural steel which shows 65 grains per square inch at a magnification of 100X is
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Answer: Option D
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38
Match those listed in Group 1 with the NDT methods listed in Group 2.
Group 1 Group 2
P. Penetrameter 1. Ultrasonic test
Q. Differential coil probe 2. Dye-penetrant test
R. Piezo-electric probe 3. X-ray radiography
S. Developer 4. Accoustic emission test
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Answer & Solution
Answer: Option A
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39
A pearlitic steel is observed under an optical microscope which has a numerical aperture (N.A) of 1.5 and uses the radiation of 4500A. The minimum lamellar spacing (in A) which can be resolved using this microscope is
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Answer: Option B
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40
A common use of ultrasonic testing is
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Answer: Option B
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