Lakshya Education MCQs

Question: Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of a cross belt drive. the length of the belt is
Options:
A. π (r₁ + r₂) + [(r₁ + r₂)²/x] + 2x
B. π (r₁ + r₂) + [(r₁ - r₂)²/x] + 2x
C. π (r₁ - r₂) + [(r₁ - r₂)²/x] + 2x
D. π (r₁ - r₂) + [(r₁ + r₂)²/x] + 2x
Answer: Option A

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More Questions on This Topic :

Question 1. Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of an open belt drive. the length of the belt is
  1.     π (r₁ + r₂) + (r₁ + r₂)²/x + 2x
  2.     π (r₁ + r₂) + (r₁ - r₂)²/x + 2x
  3.     π (r₁ - r₂) + (r₁ - r₂)²/x + 2x
  4.     π (r₁ - r₂) + (r₁ + r₂)²/x + 2x
Answer: Option B
Question 2. A porter governor is a
  1.     Pendulum type governor
  2.     Dead weight governor
  3.     Spring loaded governor
  4.     Inertia governor
Answer: Option B
Question 3. Transmission angle is the angle between
  1.     Input link and coupler
  2.     Input link and fixed link
  3.     Output link and coupler
  4.     Output link and fixed link
Answer: Option C
Question 4. Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of an open belt drive. the length of the belt is
  1.     π (r₁ + r₂) + (r₁ + r₂)²/x + 2x
  2.     π (r₁ + r₂) + (r₁ - r₂)²/x + 2x
  3.     π (r₁ - r₂) + (r₁ - r₂)²/x + 2x
  4.     π (r₁ - r₂) + (r₁ + r₂)²/x + 2x
Answer: Option B

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