Manufacturing Processes - 1 - Mechanical Engineering (MCQ) questions and answers
Dear Readers, Welcome to Manufacturing Processes - 1 multiple choice questions and answers with explanation. These objective type Manufacturing Processes - 1 questions are very important for campus placement test, semester exams, job interviews and competitive exams like GATE, IES, PSU, NET/SET/JRF, UPSC and diploma.
Specially developed for the Mechanical Engineering freshers and professionals, these model questions are asked in the online technical test and interview of many companies.
These tutorial are also important for your viva in university exams like Anna university, Pune, VTU, UPTU, CUSAT etc.
1) Which of the following statements are true for ultrasonic welding?
1. Productivity of ultrasonic welding is high
2. Thin pieces can be welded to thicker pieces by ultrasonic welding
3. Ultrasonic welds contain foreign inclusions
4. Post cleaning of welds is necessary in ultrasonic welding
5. Preparation required for ultrasonic welding process is very little
- Published on 03 Aug 15
a. (1), (2) and (4)
b. (2), (3) and (4)
c. (1), (3) and (5)
d. (1), (2) and (5)
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2) The welding process by Metal Inert-Gas (MIG) welding is
- Published on 03 Aug 15
a. slower than the welding process by Tungsten Inert-Gas (TIG) welding
b. faster than the welding process by Tungsten Inert-Gas (TIG) welding
c. at same speed as the welding process by Tungsten Inert-Gas (TIG) welding
d. at unpredictable speed
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Answer
Explanation
Related Ques
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ANSWER: faster than the welding process by Tungsten Inert-Gas (TIG) welding
Explanation:
No explanation is available for this question!
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3) Which current is used in Tungsten Inert-Gas (TIG) welding?
- Published on 03 Aug 15
a. Only A.C. can be used as welding current
b. Only D.C. can be used as welding current
c. Both A.C. and D.C. can be used as welding current
d. None of the above
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Answer
Explanation
Related Ques
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ANSWER: Both A.C. and D.C. can be used as welding current
Explanation:
No explanation is available for this question!
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4) What is swing over carriage?
- Published on 03 Aug 15
a. The maximum diameter of workpiece that can be rotated over the bed ways
b. The minimum diameter of workpiece that can be rotated over the bed ways
c. The maximum diameter of workpiece that can be rotated over lathe saddle
d. The minimum diameter of workpiece that can be rotated over lathe saddle
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Answer
Explanation
Related Ques
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ANSWER: The maximum diameter of workpiece that can be rotated over lathe saddle
Explanation:
No explanation is available for this question!
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5) Which of the following is not a part of carriage of the centre lathe?
- Published on 03 Aug 15
a. Tool post
b. Apron
c. Compound rest
d. Gear box controls
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6) Consider the following diagram of tailstock.
The part shown in blue color in the below diagram is called as
- Published on 03 Aug 15
a. tailstock clamping lever
b. tailstock dead centre
c. tailstock spindle
d. none of the above
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7) The centre lathes receive their power through
- Published on 03 Aug 15
a. headstock
b. tailstock
c. both a. and b.
d. none of the above
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8) Chances of crack propagation are more in
- Published on 03 Aug 15
a. cold working process
b. hot working process
c. both a. and b.
d. none of the above
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9) In circular drawing process, when the depth of drawing is more than the diameter of the die, then the process is called as
- Published on 03 Aug 15
a. forced drawing
b. hollow drawing
c. deep drawing
d. all of the above
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10) What is the process, in which the metal is caused to flow through a restricted orifice to create an extremely elongated strip of uniform and comparatively smaller cross-sectional area, called?
- Published on 03 Aug 15
a. Rolling
b. Extrusion
c. Drawing
d. Spinning
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