Q.1
The viscous force the relative motion between the adjacent layers of a fluid in motion. Which of the following flowing fits best in the sentence?
  • a) never affects
  • b) may effect under certain conditions
  • c) facilitates
  • d) opposes
Q.2
Pressure intensity or force due to pressure gradient for fluid at rest is considered as which of the following kind of force?
  • a) Body force
  • b) Force due to motion
  • c) Surface force
  • d) None of the mentioned
Q.3
Pressure variation for compressible fluid is maximum for which of the following kind of process?
  • a) Adiabatic
  • b) Quasi Static
  • c) Isothermal
  • d) None of the mentioned
Q.4
Which of the following principle is used for calculating the centre of pressure?
  • a) Principle of balancing of momentum
  • b) Principle of momentum
  • c) Principle of conservation of energy
  • d) None of the mentioned
Q.5
Which of the following cannot be the value of absolute pressure of a fluid at any point?
  • a) 0
  • b) 1.45 bar
  • c) – 1 bar
  • d) 24 bar
Q.6
When the body is completely or partially immersed in a fluid, how much its weight be distributed for it to be in stable equilibrium.
  • a) Is independent of weight distribution
  • b) Around the lower part
  • c) Around the upper part
  • d) None of the mentioned
Q.7
Which of the following equation must be perfunctorily satisfied while dealing with fluid flow problems?
  • a) Newton’s third law
  • b) Law of conservation of momentum
  • c) Continuity equation
  • d) Newton’s second law
Q.8
Which among the following is an assumption of Hagen-Poiseuille equation?
  • a) Fluid is uniform
  • b) Fluid is laminar
  • c) Fluid is turbulent
  • d) Fluid is compressible
Q.9
Which of the following is a formula for the friction factor of circular pipes?
  • a) Re/64
  • b) 16/Re
  • c) 64/Re
  • d) Re/16
Q.10
Which among the following is not global parameters of fluid?
  • a) Mass flow rate
  • b) Density
  • c) Viscosity
  • d) External diameter
Q.11
Which of the following is the mathematical technique used to predict physical parameters?
  • a) Dimensional analysis
  • b) Temperature analysis
  • c) Pressure analysis
  • d) Combustion analysis
Q.12
Which among the following have the same forces acting on them?
  • a) Dynamic similarity
  • b) Geometric similarity
  • c) Conditional similarity
  • d) Kinematic similarity
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