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Total Questions : 2607 | Page 59 of 261 pages
Question 581. The draw of cotter need not exceed
  1.    3 mm
  2.    5 mm
  3.    10 mm
  4.    20 mm
 Discuss Question
Answer: Option A. -> 3 mm
Question 582. For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is
  1.    1/sinθ
  2.    1/cosθ
  3.    1/tanθ
  4.    sinθ cosθ
 Discuss Question
Answer: Option B. -> 1/cosθ
Question 583. Crushing resistance required to crush the rivet per pitch length is
  1.    p.d.σc
  2.    p.t.σc
  3.    n.d.t.σc
  4.    (p - d) t.σc
 Discuss Question
Answer: Option C. -> n.d.t.σc
Question 584. Which of the following welded joint is designed for shear strength?
  1.    Transverse fillet welded joint
  2.    Parallel fillet welded joint
  3.    Butt welded joint
  4.    All of these
 Discuss Question
Answer: Option B. -> Parallel fillet welded joint
Question 585. Fibrous fracture occurs in
  1.    Ductile material
  2.    Brittle material
  3.    Elastic material
  4.    Hard material
 Discuss Question
Answer: Option A. -> Ductile material
Question 586. The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = 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
 Discuss Question
Answer: Option A. -> (P1 - mv²)/ (P2 - mv²) = eᶠα
Question 587. The cam follower extensively used in aircraft engines is
  1.    Knife edge follower
  2.    Flat faced follower
  3.    Spherical faced follower
  4.    Roller follower
 Discuss Question
Answer: Option D. -> Roller follower
Question 588. The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of
  1.    0.45
  2.    0.55
  3.    0.65
  4.    0.75
 Discuss Question
Answer: Option D. -> 0.75
Question 589. Whether any core is required in wire ropes
  1.    Yes
  2.    No
  3.    Sometimes
  4.    Rarely
 Discuss Question
Answer: Option A. -> Yes
Question 590. Multiple threads are used to secure
  1.    Low efficiency
  2.    High efficiency
  3.    High load lifting capacity
  4.    High mechanical advantage
 Discuss Question
Answer: Option B. -> High efficiency

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