Lakshya Education MCQs

Question: The cam follower extensively used in aircraft engines is
A. Knife edge follower
B. Flat faced follower
C. Spherical faced follower
D. Roller follower
Answer: Option D

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More Questions on This Topic :

Question 1. Multiple threads are used to secure
  1.     Low efficiency
  2.     High efficiency
  3.     High load lifting capacity
  4.     High mechanical advantage
Answer: Option B
Question 2. The stress in the threaded part of the bolt will be __________ as compared to the shank.
  1.     Same
  2.     Higher
  3.     Lower
  4.     None of these
Answer: Option B
Question 3. Whether any core is required in wire ropes
  1.     Yes
  2.     No
  3.     Sometimes
  4.     Rarely
Answer: Option A
Question 4. Fibrous fracture occurs in
  1.     Ductile material
  2.     Brittle material
  3.     Elastic material
  4.     Hard material
Answer: Option A
Question 5. Tearing resistance required to tear off the plate per pitch length is (where p = pitch of rivets, d = dia. of rivet hole, and σt = permissible tensile stress for plate material)
  1.     p.d.σt
  2.     p.t.σt
  3.     (p - d) t.σt
Answer: Option D
Question 6. The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given bywhere m = mass of belt per meter (kg/m)v = belt velocity (m/s)f = coefficient of frictiona = angle of wrap (radians)
  1.     (P1 - mv²)/ (P2 - mv²) = eᶠα
  2.     P1 / P2 = eᶠα
  3.     P1 / P2 = e–ᶠα
  4.     (P1 - mv²)/ (P2 - mv²) = e–ᶠα
Answer: Option A

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