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MCQs

Total Questions : 110 | Page 8 of 11 pages
Question 71. Which of the following represents the correct relationship of density and length of column?
  1.    Direct proportionality
  2.    Inverse proportionality
  3.    Equal
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Inverse proportionality
Answer: (b).Inverse proportionality
Question 72. Which of the following represents relation for a pressure change in a column?
  1.    hϱg
  2.    hϱ
  3.    hg
  4.    none of the mentioned
 Discuss Question
Answer: Option A. -> hϱg
Answer: (a).hϱg
Question 73. Which of the following is used to represent mass per unit volume of a substance?
  1.    Mass density
  2.    Weight density
  3.    Specific density
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Mass density
Answer: (a).Mass density
Question 74. Specific volume of all substances depends on ______________
  1.    Temperature only
  2.    Pressure only
  3.    Both temperature and pressure
  4.    Temperature and pressure for some
 Discuss Question
Answer: Option D. -> Temperature and pressure for some
Answer: (d).Temperature and pressure for some
Question 75. ____________ can be used for measuring density.
  1.    Load cell
  2.    pH meter
  3.    Pitot static device
  4.    Mutimeter
 Discuss Question
Answer: Option A. -> Load cell
Answer: (a).Load cell
Question 76. Which of the following represents the slow motion of layers of fluid in one direction?
  1.    Laminar flow
  2.    Turbulent flow
  3.    Viscous flow
  4.    Both laminar and viscous flow
 Discuss Question
Answer: Option D. -> Both laminar and viscous flow
Answer: (d).Both laminar and viscous flow
Question 77. Which of the following represents relation for kinematic viscosity?
  1.    Absolute density/mass density
  2.    Absolute density × mass density
  3.    Absolute density × (mass density)²
  4.    Absolute density/(mass density)²
 Discuss Question
Answer: Option A. -> Absolute density/mass density
Answer: (a).Absolute density/mass density
Question 78. Which of the following represents newton’s equation for viscosity?
  1.    τ = µ(dv/dt)
  2.    µ = τ(dv/dt)
  3.    τ = dv/dt
  4.    τ = µ²(dv/dt)
 Discuss Question
Answer: Option A. -> τ = µ(dv/dt)
Answer: (a).τ = µ(dv/dt)
Question 79. If shear stress is equal proportional to velocity gradient, fluid is called as ______________
  1.    Newtonian fluid
  2.    Viscous fluid
  3.    Laminar fluid
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Newtonian fluid
Answer: (a).Newtonian fluid
Question 80. Which of the following represents Newtonian fluids?
  1.    Lubricating oils
  2.    Honey
  3.    Rubber suspension
  4.    Synthetic oils
 Discuss Question
Answer: Option A. -> Lubricating oils
Answer: (a).Lubricating oils

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