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MCQs

Total Questions : 3147 | Page 12 of 315 pages
Question 111. The specific gravity of an oil whose specific weight is 7.85 kN/m3, is
  1.    0.8
  2.    1
  3.    1.2
  4.    1.6
 Discuss Question
Answer: Option A. -> 0.8
Question 112. The continuity equation is connected with
  1.    Open channel/pipe flow
  2.    Compressibility of fluids
  3.    Conservation of mass
  4.    Steady/unsteady flow
 Discuss Question
Answer: Option C. -> Conservation of mass
Question 113. Slip of a reciprocating pump is defined as the
  1.    Ratio of actual discharge to the theoretical discharge
  2.    Sum of actual discharge and the theoretical discharge
  3.    Difference of theoretical discharge and the actual discharge
  4.    Product of theoretical discharge and the actual discharge
 Discuss Question
Answer: Option C. -> Difference of theoretical discharge and the actual discharge
Question 114. Kinematic viscosity is dependent upon
  1.    Pressure
  2.    Distance
  3.    Density
  4.    Flow
 Discuss Question
Answer: Option C. -> Density
Question 115. Which of the following is dimensionless?
  1.    Specific weight
  2.    Specific volume
  3.    Specific speed
  4.    Specific gravity
 Discuss Question
Answer: Option D. -> Specific gravity
Question 116. In impulse Turbine, energy available at the inlet is in the form of
  1.    Potential Energy
  2.    Strain Energy
  3.    Kinetic energy
  4.    None of these
 Discuss Question
Answer: Option C. -> Kinetic energy
Question 117. Slip of a reciprocating pump is negative, when
  1.    Suction pipe is short and pump is running at low speeds
  2.    Delivery pipe is long and pump is running at high speeds
  3.    Suction pipe is short and delivery pipe is long and the pump is running at low speeds
  4.    Suction pipe is long and delivery pipe is short and the pump is running at high speeds
 Discuss Question
Answer: Option D. -> Suction pipe is long and delivery pipe is short and the pump is running at high speeds
Question 118. Reynolds number is significant in
  1.    Supersonics, as with projectile and jet propulsion
  2.    Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
  3.    Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls
  4.    All of the above
 Discuss Question
Answer: Option B. -> Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
Question 119. Froude number is significant in
  1.    Supersonics, as with projectile and jet propulsion
  2.    Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
  3.    Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls
  4.    All of the above
 Discuss Question
Answer: Option C. -> Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls
Question 120. Mach number is significant in
  1.    Supersonics, as with projectiles and jet propulsion
  2.    Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
  3.    Simultaneous motion through two fluids where there is a surface of discontinuity, gravity force, and wave making effects, as with ship's hulls
  4.    All of the above
 Discuss Question
Answer: Option A. -> Supersonics, as with projectiles and jet propulsion

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