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Manufacturing And Production Technology MCQ Questions & Answers | Mechanical Engineering

Learn Manufacturing And Production Technology MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Manufacturing And Production Technology MCQ question is the important chapter for a Mechanical Engineering and GATE students. Page-7 section-1

Each section contains 100 MCQs on Manufacturing and Production Technology .
61
The example of snag grinding is
Discuss
Answer & Solution
Answer: Option D
Solution:
A snag grinder cleans and removes excess metal from castings small enough to be moved to the face of the grinding wheel. -Trimming the surface left by spruces and risers on castings and Grinding the parting line left on castings and Removing flash on forgings are the examples of the snag grinding.
62
A twist drill is specified by its
Discuss
Answer & Solution
Answer: Option A
Solution:
A twist drill is a rotating cutting tool, used for cutting holes in rigid materials which is consists of an essentially conical point, relieved and fluted to form cutting lips, and spiral flutes which direct the chips away from the lips and toward ejection from the hole. It is specified by it's shank, material and diameter.
63
The size of a lathe is specified by the
Discuss
Answer & Solution
Answer: Option D
Solution:
The size of an engine lathe is determined by the largest piece of stock that can be machined. Before machining a workpiece, the following measurements must be considered. The diameter of the work that will swing over the bed and the length between lathe centers.
64
What is the type of welding defect caused due to shrinkage during solidification and by weld stresses called?
Discuss
Answer & Solution
Answer: Option B
Solution:
Lamellar tearing is a cracking phenomenon, which occurs beneath welds, and is principally found in rolled steel plate fabrications. The tearings always lies within the parent plate, often outside the transformed (visible) heat- affected zone (HAZ), and is generally parallel to the weld fusion boundary.
65
The high cutting speed and large rake angle of the tool will result in the formation of
Discuss
Answer & Solution
Answer: Option A
Solution:
Continuous chips tend to be formed when the following condition exist:
1. ductile material
2. high cutting speed
3. small chip thickness
4. large rack angle
66
In metal cutting, use of low feeds and high cutting speeds is desired when the objective is
Discuss
Answer & Solution
Answer: Option D
Solution:
Following Steps Has to be taken to Improve the surface Finish: Increase the Speed. Reduce the Feed. Increase the Top Rake Angle. Use a Chip Breaker. Use a Large Nose Radius. Use the Correct Technique. Use Different Tools to Rough and Finish.
67
The factor which affects the tool life is
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
68
Which of the following statement is wrong as regard to down milling?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
69
The angle between the face and flank of the single point cutting tool is known as
Discuss
Answer & Solution
Answer: Option C
Solution:
Lip angle is the angle between the rake surface and flank surface when viewed on orthogonal plane.
70
In which of the following machine, the work remains stationary and the tool is rotated?
Discuss
Answer & Solution
Answer: Option B
Solution:
In a horizontal boring machine, the work is supporting on a table which is constant and the tool turns into a horizontal axis