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MCQs

Total Questions : 2100 | Page 3 of 210 pages
Question 21. If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach
  1.     0°
  2.     90°
  3.     180°
  4.     360°
 Discuss Question
Answer: Option A. ->  0°
Question 22. If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach
  1.     0°
  2.     90°
  3.     180°
  4.     360°
 Discuss Question
Answer: Option A. ->  0°
Question 23. If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach
  1.     0°
  2.     90°
  3.     180°
  4.     360°
 Discuss Question
Answer: Option A. ->  0°
Question 24. If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach
  1.     0°
  2.     90°
  3.     180°
  4.     360°
 Discuss Question
Answer: Option A. ->  0°
Question 25. The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. this may be used to kinematic chains in which higher pairs are used, but each higher pair may be taken as equivalent to
  1.     One lower pair and two additional links
  2.     Two lower pairs and one additional link
  3.     Two lower pairs and two additional links
  4.     Any one of these
 Discuss Question
Answer: Option B. ->  Two lower pairs and one additional link
Question 26. The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. this may be used to kinematic chains in which higher pairs are used, but each higher pair may be taken as equivalent to
  1.     One lower pair and two additional links
  2.     Two lower pairs and one additional link
  3.     Two lower pairs and two additional links
  4.     Any one of these
 Discuss Question
Answer: Option B. ->  Two lower pairs and one additional link
Question 27. The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. this may be used to kinematic chains in which higher pairs are used, but each higher pair may be taken as equivalent to
  1.     One lower pair and two additional links
  2.     Two lower pairs and one additional link
  3.     Two lower pairs and two additional links
  4.     Any one of these
 Discuss Question
Answer: Option B. ->  Two lower pairs and one additional link
Question 28. If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the
  1.     0.5
  2.     1
  3.     1.5
  4.     2
 Discuss Question
Answer: Option B. ->  1
Question 29. If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the
  1.     0.5
  2.     1
  3.     1.5
  4.     2
 Discuss Question
Answer: Option B. ->  1
Question 30. Peaucellier’s mechanism has
  1.     Eight links
  2.     Six links
  3.     Four links
  4.     Twelve links
 Discuss Question
Answer: Option A. ->  Eight links

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