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MCQs

Total Questions : 90 | Page 5 of 9 pages
Question 41. A fixed beam of the uniform section is carrying a point load at the centre, if the moment of inertia of the middle half portion is reduced to half its previous value, then the fixed end moments will ______
  1.    Increase
  2.    Remains constant
  3.    Decrease
  4.    Change their direction
 Discuss Question
Answer: Option A. -> Increase
Answer: (a).Increase
Question 42. The maximum negative bending moment in fixed beam carrying udl occurs at ________
  1.    Mid span
  2.    1/3 of the span
  3.    Supports
  4.    Half of the span
 Discuss Question
Answer: Option C. -> Supports
Answer: (c).Supports
Question 43. In propped cantilevers, the prop reaction is 3/8 wl.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 44. _____ is a small opening made in the bottom or sides of a tank.
  1.    Mouthpiece
  2.    Orifice
  3.    Sill
  4.    Sluice
 Discuss Question
Answer: Option B. -> Orifice
Answer: (b).Orifice
Question 45. A propped cantilever beam carrying total load “W” distributed evenly over its entire length calculate the vertical force required in the prop.
  1.    3/4 W
  2.    W
  3.    5/8 W
  4.    3/8 W
 Discuss Question
Answer: Option D. -> 3/8 W
Answer: (d).3/8 W
Question 46. The section which has a minimum cross sectional are in a flow is known as _______
  1.    Vena contracta
  2.    Thyrocade
  3.    Submergent
  4.    Upstream edge
 Discuss Question
Answer: Option A. -> Vena contracta
Answer: (a).Vena contracta
Question 47. A mouthpiece is a short length of a pipe which is not more than __________ times its diameter.
  1.    3-4
  2.    5-6
  3.    1 -2
  4.    2-3
 Discuss Question
Answer: Option D. -> 2-3
Answer: (d).2-3
Question 48. Which of the following is not a hydraulic coefficient?
  1.    Coefficient of contraction
  2.    Coefficient of discharge
  3.    Coefficient of viscosity
  4.    Coefficient of velocity
 Discuss Question
Answer: Option C. -> Coefficient of viscosity
Answer: (c).Coefficient of viscosity
Question 49. Theorotical velocity = _______
  1.    (2gh)^1/3
  2.    (2gh)^1/2
  3.    (2gh)^1/4
  4.    2gh
 Discuss Question
Answer: Option B. -> (2gh)^1/2
Answer: (b).(2gh)^1/2
Question 50. Bell mouthed orifices can be categorised in according to ___________
  1.    Size
  2.    Shape
  3.    Shape of upstream
  4.    Nature of discharge
 Discuss Question
Answer: Option C. -> Shape of upstream
Answer: (c).Shape of upstream

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