Lakshya Education MCQs

Question: Which of the following property is desirable in parts subjected to shock and impact loads?
Answer: Option D

Submit Answer & Explaination

Earn Reward Points by submitting Detailed Explaination for this Question

More Questions on This Topic :

Question 1. The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact)
  1.    T₁/T₂ = μθ
  2.    log (T₁/T₂) = μθ
  3.    T₁/T₂ =eμθ
  4.    T₁/T₂ = log μθ
Answer: Option C
Question 2. A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is
  1.    5 N-m
  2.    7 N-m
  3.    10 N-m
  4.    15 N-m
Answer: Option D
Question 3. A steel containing up to 0.15% carbon is known as
  1.    Mild steel
  2.    Dead mild steel
  3.    Medium carbon steel
  4.    High carbon steel
Answer: Option B
Question 4. The fatigue life of a part can be improved by
  1.    Electroplating
  2.    Polishing
  3.    Coating
  4.    Shot peening
Answer: Option D
Question 5. An alien bolt is
  1.    Self locking bolt
  2.    Same as stud
  3.    Provided with hexagonal depression in head
  4.    Used in high speed components
Answer: Option C
Question 6. The size of a gear is usually specified by
  1.    Pressure angle
  2.    Pitch circle diameter
  3.    Circular pitch
  4.    Diametral pitch
Answer: Option B

Check all Questions in this Topic : Click HERE