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MCQs

Total Questions : 206 | Page 14 of 21 pages
Question 131. The process of creating mechanisms and shapes of mechanical elements for a machine to get the desired output for a given input is called as ___
  1.    analysis
  2.    innovation
  3.    synthesis
  4.    designing
 Discuss Question
Answer: Option C. -> synthesis
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 132. Which of the following is not a reason to design and redesign a product?
  1.    Optimum design
  2.    Innovation
  3.    Appearance
  4.    None of the above
 Discuss Question
Answer: Option D. -> None of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 133. In design process, which process is followed after selecting the material?
  1.    Selecting factor of safety
  2.    Synthesis
  3.    Analysis of forces
  4.    Determining mode of failure
 Discuss Question
Answer: Option D. -> Determining mode of failure
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 134. The component deforming progressively under load at high temperatures is called as
  1.    Resilience
  2.    Creep
  3.    Fatigue
  4.    All of the above
 Discuss Question
Answer: Option B. -> Creep
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 135. The objective of considering ergonomics in machine design is to ____ 1. decrease physical stresses 2. make user adapt to the machine 3. make machine fit for the user 4. improve appearance of the product
  1.    only 2
  2.    3 and 4
  3.    1 and 3
  4.    1, 3 and 4
 Discuss Question
Answer: Option C. -> 1 and 3
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 136. Hardness of a material enables it to resist _______
  1.    abrasion
  2.    penetration
  3.    plastic deformation
  4.    all of the above
 Discuss Question
Answer: Option D. -> all of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 137. Which design consideration deals with appearance of the product?
  1.    Ergonomics
  2.    Aesthetics
  3.    System design
  4.    Creative design
 Discuss Question
Answer: Option B. -> Aesthetics
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 138. Which of the following ferrous alloys can be casted into intricate shapes?
  1.    Plain carbon steels
  2.    Alloy steels
  3.    Cast irons
  4.    All of the above
 Discuss Question
Answer: Option C. -> Cast irons
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 139. What is the percentage of carbon in plain carbon steel?
  1.    60 to 80%
  2.    Less than 1.7%
  3.    Less than 7%
  4.    None of the above
 Discuss Question
Answer: Option B. -> Less than 1.7%
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 140. Which of the following is not a property of copper alloy?
  1.    High electrical conductivity
  2.    High thermal conductivity
  3.    High strength
  4.    None of the above
 Discuss Question
Answer: Option C. -> High strength
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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