Damping Factor & Magnification Factor MCQ

Test your knowledge with important Damping Factor & Magnification Factor MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Damping Factor & Magnification Factor MCQs at Bissoy

• If the mass increases, then the frequency of the free vibrations increases.
  ক

  True

  খ

  False
• A body of mass 20 kg is suspended from a spring which deflects 20mm under this load. Calculate the frequency of free vibrations in Hz.
  ক

  3.5

  খ

  5

  গ

  6

  ঘ

  7
• In which of the cases the factor c = 0?
  ক

  When there is damping

  খ

  No damping

  গ

  Resonance

  ঘ

  c is never 0
• Maximum displacement due to forced vibration is dependent on deflection due to static force.
  ক

  True

  খ

  False
• Magnification factor is the ratio of the maximum displacement due to forced vibrations to the deflection due to _______
  ক

  Static force

  খ

  Dynamic force

  গ

  Torsion

  ঘ

  Compression
• Unit of damping factor is N/m/s.
  ক

  True

  খ

  False
• Calculate damping ratio from the following data: mass = 200Kg ω = 20rad/s damping coefficient = 1000 N/m/s
  ক

  0.03

  খ

  0.04

  গ

  0.05

  ঘ

  0.06
• Calculate damping ratio from the following data: mass = 200Kg ω = 20rad/s damping coefficient = 800 N/m/s
  ক

  0.03

  খ

  0.04

  গ

  0.05

  ঘ

  0.06
• Calculate critical damping coefficient in N/m/s from the following data: mass = 100Kg ω = 10rad/s
  ক

  5,132

  খ

  6,283

  গ

  7,132

  ঘ

  8,132
• Calculate critical damping coefficient in N/m/s from the following data: mass = 100Kg ω = 40rad/s
  ক

  25,132

  খ

  26,132

  গ

  27,132

  ঘ

  28,132
• Calculate critical damping coefficient in Ns/m from the following data. mass = 200Kg ω = 20rad/s
  ক

  25,132

  খ

  26,132

  গ

  27,132

  ঘ

  Not possible