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1000 Fluid Mechanics
Quiz 2
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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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