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MCQs

Total Questions : 75 | Page 5 of 8 pages
Question 41. The first solar cooker was developed in the year ____________
  1.    1947
  2.    1953
  3.    1945
  4.    1960
 Discuss Question
Answer: Option C. -> 1945
Answer: (c).1945
Question 42. Which of the following is a mechanical property of materials?
  1.    Surface Tension
  2.    Compressibility
  3.    Elasticity
  4.    Specific volume
 Discuss Question
Answer: Option C. -> Elasticity
Answer: (c).Elasticity
Question 43. In a cantilever of span “L” subjected to a concentrated load of “W” at a distance of L/3 from free end. The deflection is ________
  1.    WL³/3EI
  2.    14WL³/81EI
  3.    WL³/81EI
  4.    8WL³/81EI
 Discuss Question
Answer: Option D. -> 8WL³/81EI
Answer: (d).8WL³/81EI
Question 44. Calculate the slope in a simply supported beam subjected to point load at centre. Take the EI into consideration.
  1.    Wl³/4EI
  2.    Wl²/16EI
  3.    Wl³/8EI
  4.    Wl⁴/6EI
 Discuss Question
Answer: Option B. -> Wl²/16EI
Answer: (b).Wl²/16EI
Question 45. Solar arrays are defined in terms of ____________
  1.    Circuits
  2.    Diodes
  3.    Kernel
  4.    Panels
 Discuss Question
Answer: Option A. -> Circuits
Answer: (a).Circuits
Question 46. In cantilever beam the deflection occurs at ______
  1.    Free end
  2.    Point of loading
  3.    Through out
  4.    Fixed end
 Discuss Question
Answer: Option A. -> Free end
Answer: (a).Free end
Question 47. In an ideal fluid, the ____________ stresses are pretend to be absent.
  1.    Bending
  2.    Shearing
  3.    Tensile
  4.    Compressive
 Discuss Question
Answer: Option B. -> Shearing
Answer: (b).Shearing
Question 48. Specific weight of water at 4°C is ____________ N/m³.
  1.    9810
  2.    9760
  3.    9950
  4.    9865
 Discuss Question
Answer: Option A. -> 9810
Answer: (a).9810
Question 49. Air and water are the examples of ___________
  1.    Non Newtonian fluids
  2.    Vortex fluids
  3.    Real fluids
  4.    Ideal fluids
 Discuss Question
Answer: Option D. -> Ideal fluids
Answer: (d).Ideal fluids
Question 50. _______ fluids are practical fluids
  1.    Ideal
  2.    Real
  3.    Vortex
  4.    Newtonian
 Discuss Question
Answer: Option B. -> Real
Answer: (b).Real

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