Design of Helical Springs MCQ

Test your knowledge with important Design of Helical Springs MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Design of Helical Springs MCQs at Bissoy

• A railway wagon moving with a speed of 1.5m/s is brought to rest by bumper consisting of two springs. Mass of wagon is 100kg. The springs are compressed by 125mm. Calculate the maximum force acting on each spring.
  ক

  1200N

  খ

  1500N

  গ

  1800N

  ঘ

  2000N
• Find total number coils in a spring having square and ground ends. Deflection in the spring is 6mm when load of 1100N is applied. Modulus of rigidity is 81370N/mm². Wire diameter and pitch circle diameter are 10mm and 50mm respectively.
  ক

  7

  খ

  6

  গ

  5

  ঘ

  4
• Find the mean coil diameter of a helical compression sprig if a load of 1200N is applied on the spring. Spring index is 6, and wire diameter 7mm.
  ক

  7/6mm

  খ

  42mm

  গ

  1200×6/7 mm

  ঘ

  None of the listed
• Find the shear stress in the spring wire used to design a helical compression sprig if a load of 1200N is applied on the spring. Spring index is 6, and wire diameter 7mm.
  ক

  452.2N/mm²

  খ

  468.6N/mm²

  গ

  512.2N/mm²

  ঘ

  None of the listed
• Find the Wahl’s factor if spring index is 6.
  ক

  1.2020

  খ

  1.2424

  গ

  1.2525

  ঘ

  1.5252
• Patenting is defined as the cooling below the freezing point of water.
  ক

  True

  খ

  False
• For two springs connected in parallel, net force is equal to the sum of force in each spring.
  ক

  True

  খ

  False
• For two springs connected in series, the net deflection is equal to the sum of deflection in two springs.
  ক

  True

  খ

  False
• For two spring connected in series, the force acting on each spring is same and equal to half of the external force.
  ক

  True

  খ

  False
• A spring of stiffness constant k is cut in two equal parts. The stiffness constant of new spring will be k/2.
  ক

  True

  খ

  False
• The axial deflection of spring for the small angle of θ is given by?
  ক

  328PDᵌN/Gd⁴

  খ

  8PDᵌN/Gd⁴

  গ

  16PDᵌN/Gd⁴

  ঘ

  8PD²N/Gdᵌ
• The angle of twist for the equivalent bar to a spring is given by? (Symbols have their usual meaning)
  ক

  8PD²N/Gd⁴

  খ

  16PD²N/Gd⁴

  গ

  16PDN/Gdᵌ

  ঘ

  8PDN/Gdᵌ
• Martin’s factor compensates for curvature effect in springs.
  ক

  True

  খ

  False
• Spring having square ends has 1 inactive coil.
  ক

  True

  খ

  False
• If a spring has plain ends then number of inactive coils is?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  0