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MCQs

Total Questions : 123 | Page 3 of 13 pages
Question 21. The canal through which water is led into mouth of the penstocks is
  1.    fore day
  2.    tail race
  3.    trash rack
  4.    power canal
 Discuss Question
Answer: Option D. -> power canal


power canal


Question 22. For laminar flow through a pipe, the energy correction factor is
  1.    1.03
  2.    1.05
  3.    1.33
  4.    2.00
 Discuss Question
Answer: Option D. -> 2.00


2.00


Question 23. Coefficient of resistance Cr for an orifice is equal to
  1.    (1 - Cv^2)
  2.    (1/Cv^2 - 1)
  3.    (1 / Cc^2 Cd^2)
  4.    (1 - Cd^2 Cv^2)
 Discuss Question
Answer: Option B. -> (1/Cv^2 - 1)


(1/Cv^2 - 1)


Question 24. A hydraulic jump is used for
  1.    increasing the depth of flow
  2.    reducing the energy of flow
  3.    decreasing the velocity of flow
  4.    reducing turbulence
 Discuss Question
Answer: Option C. -> decreasing the velocity of flow


decreasing the velocity of flow


Question 25. The force required to act upon the jet of water to change the velocity either in direction or in magnitude is called by
  1.    hydrostatic force
  2.    dynamic force
  3.    absolute force
  4.    power canal
 Discuss Question
Answer: Option D. -> power canal


power canal


Question 26. L/2 is the effective length of a column, fixed in _____ at its top and bottom
  1.    position
  2.    direction
  3.    position & direction
  4.    none of these
 Discuss Question
Answer: Option C. -> position & direction


position & direction


Question 27. 0.67 is the effective length of a compression member _____
  1.    Fixed at both ends
  2.    Free at both ends
  3.    Held in position and restrain in direction at both ends
  4.    Fixed at both lower end and free at upper end
 Discuss Question
Answer: Option C. -> Held in position and restrain in direction at both ends


Held in position and restrain in direction at both ends


Question 28. he slenderness ratio of a tension member should not exceed 350, if the member is subjected to _____ stresses resulting from wind force
  1.    Compressive
  2.    Tensile
  3.    Bending
  4.    Reversible
 Discuss Question
Answer: Option D. -> Reversible


Reversible


Question 29. Maximum shear force occurs at the edge of a base plate in a _____ footing
  1.    Stepped
  2.    Rectangular
  3.    Square
  4.    Grillage
 Discuss Question
Answer: Option B. -> Rectangular


Rectangular


Question 30. Hardening of metal is due to heating to a particular temperature and followed by rapid cooling in a _____ media
  1.    Cooling
  2.    Tempering
  3.    Quenching
  4.    Freezing
 Discuss Question
Answer: Option C. -> Quenching


Quenching


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