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MCQs

Total Questions : 1798 | Page 178 of 180 pages
Question 1771. 3. Reproduction of sharp corners is the limitation of
  1.    ECM
  2.    EDM
  3.    Laser
  4.    Plasma
 Discuss Question
Answer: Option B. -> EDM
Question 1772. 5. Very large speed ranges are required for
  1.    Shaping machines
  2.    Planing machines
  3.    Semi-automatic and automatic turrets
  4.    Grinding machines
 Discuss Question
Answer: Option D. -> Grinding machines
Question 1773. 4. Broaching operation is frequently used in automobile industry because
  1.    It is an automatic machine
  2.    It is a mass production machine
  3.    Semi-skilled operators can be employed
  4.    Operation is completed in one stroke
 Discuss Question
Answer: Option A. -> It is an automatic machine
Question 1774. 8. Broaching tools are usually made of
  1.    High carbon steel
  2.    High speed steel (H.S.S.)
  3.    Ceramics
  4.    Tungsten carbide
 Discuss Question
Answer: Option B. -> High speed steel (H.S.S.)
Question 1775. 6. For same tool life, maximum material per minute is removed by increasing
  1.    Cutting speed
  2.    Feed
  3.    Depth of cut
  4.    Tool hardness
 Discuss Question
Answer: Option C. -> Depth of cut
Question 1776. 7. An important disadvantage of broaching process is
  1.    The broaching tools are always longer in length
  2.    Only simple shapes can be obtained
  3.    The return stroke is always idle
  4.    The process is suitable only for high volume production
 Discuss Question
Answer: Option D. -> The process is suitable only for high volume production
Question 1777. 9. The front teeth of a broach
  1.    Remove no metal
  2.    Remove maximum metal
  3.    Remove minimum metal
  4.    Perform the burnishing operation
 Discuss Question
Answer: Option B. -> Remove maximum metal
Question 1778. 0. For proper broaching operation at least following number of teeth should be in the work at a time
  1.    2
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option C. -> 3
Question 1779. 1. A gear has to be subjected to shock and vibration. Following type should be selected
  1.    Gear with full depth teeth
  2.    Hybrid gears
  3.    Bevel gears
  4.    Gear with stub teeth
 Discuss Question
Answer: Option D. -> Gear with stub teeth
Question 1780. 2. Thin gears from sheet metal can be produced commercially by
  1.    Gear hobbing
  2.    Stamping
  3.    Extruding
  4.    Machining
 Discuss Question
Answer: Option B. -> Stamping

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