Manufacturing And Production Technology(Mechanical Engineering ) Questions and Answers

Question 1. In _________ operation, the chip thickness is minimum at the beginning of the cut and it reaches to the maximum when the cut terminates.
  1.    Conventional milling
  2.    Climb milling
  3.    Face milling
  4.    End milling
Explanation:-
Answer: Option A. -> Conventional milling
Question 2. The depth of cut in drilling is __________ the drill diameter.
  1.    Equal to
  2.    One-fourth
  3.    One-half
  4.    Double
Explanation:-
Answer: Option C. -> One-half
Question 3. In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is
  1.    Cylindrical grinder
  2.    Internal grinder
  3.    Surface grinder
  4.    Tool and cutter grinder
Explanation:-
Answer: Option C. -> Surface grinder
Question 4. In Oxyacetylene gas welding, temperature at the inner cone of the flame is around
  1.    3500°C
  2.    3200°C
  3.    2900°C
  4.    2550°C
Explanation:-
Answer: Option B. -> 3200°C
Question 5. Which of the following statement is correct for oblique cutting system?
  1.    The cutting edge is inclined at an angle less than 90° with the normal to the velocity of the tool
  2.    Frequently, more than one cutting edges are in action
  3.    The chip flows on the tool face at an angle less than 90° with the normal on the cutting edge
  4.    All of the above
Explanation:-
Answer: Option D. -> All of the above
Question 6. EDM machining is applied for
  1.    Shaping carbide dies and punches having complicated profiles
  2.    Making large number of small holes in sieves and fuel nozzles
  3.    Embossing and engraving on harder materials
  4.    All of these
Explanation:-
Answer: Option D. -> All of these
Question 7. The grinding operation is a
  1.    Shaping operation
  2.    Forming operation
  3.    Surface finishing operation
  4.    Dressing operation
Explanation:-
Answer: Option C. -> Surface finishing operation
Question 8. The angle made by the face of the tool and the plane parallel to the base of cutting tool is called
  1.    Rake angle
  2.    Cutting angle
  3.    Clearance angle
  4.    Lip angle
Explanation:-
Answer: Option A. -> Rake angle
Question 9. For fast removal of materials during grinding, a _________ grinding wheel is used.
  1.    Course grained
  2.    Fine grained
  3.    Medium grained
  4.    None of these
Explanation:-
Answer: Option A. -> Course grained
Question 10. A process of removing metal by pushing or pulling a cutting tool is called
  1.    Up milling
  2.    Down milling
  3.    Forming
  4.    Broaching
Explanation:-
Answer: Option D. -> Broaching
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