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MCQs

Total Questions : 3147 | Page 2 of 315 pages
Question 11. The power produced by the reaction turbine is ________ to the head of water.
  1.     Directly proportional
  2.     Inversely proportional
  3.     4th power
  4.     None of these
 Discuss Question
Answer: Option A. ->  Directly proportional
Question 12. When the flow in an open channel is gradually varied, the flow is said to be
  1.    Steady uniform flow
  2.    Steady non-uniform flow
  3.    Unsteady uniform flow
  4.    Unsteady non-uniform flow
 Discuss Question
Answer: Option B. -> Steady non-uniform flow
Question 13. When the flow parameters at any given instant remain same at every point, then flow is said to be
  1.    Quasi-static
  2.    Steady state
  3.    Laminar
  4.    Uniform
 Discuss Question
Answer: Option D. -> Uniform
Question 14. The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by
  1.    2V/(vr - v)
  2.    2V/(vr + v)
  3.    V/(vr - v)
  4.    V/(vr + v)
 Discuss Question
Answer: Option B. -> 2V/(vr + v)
Question 15. The atmospheric pressure with rise in altitude decreases
  1.    Linearly
  2.    First slowly and then steeply
  3.    First steeply and then gradually
  4.    Unpredictable
 Discuss Question
Answer: Option B. -> First slowly and then steeply
Question 16. An ideal flow of any fluid must satisfy
  1.    Pascal law
  2.    Newton's law of viscosity
  3.    Boundary layer theory
  4.    Continuity equation
 Discuss Question
Answer: Option D. -> Continuity equation
Question 17. The bulk modulus of elasticity
  1.    Has the dimensions of 1/pressure
  2.    Increases with pressure
  3.    Is large when fluid is more compressible
  4.    Is independent of pressure and viscosity
 Discuss Question
Answer: Option B. -> Increases with pressure
Question 18. Gradually varied flow is
  1.    Steady uniform
  2.    Non-steady non-uniform
  3.    Non-steady uniform
  4.    Steady non-uniform
 Discuss Question
Answer: Option D. -> Steady non-uniform
Question 19. Which of the following pump is generally used to pump highly viscous fluid?
  1.    Centrifugal pump
  2.    Reciprocating pump
  3.    Air lift pump
  4.    Screw pump
 Discuss Question
Answer: Option D. -> Screw pump
Question 20. A hydraulic accumulator is a device used to store _________ energy which may be supplied to a machine later on.
  1.    Strain
  2.    Pressure
  3.    Kinetic
  4.    None of these
 Discuss Question
Answer: Option B. -> Pressure

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