Q.1
What is fluid mechanics?
  • a) Study of fluid behaviour at rest
  • b) Study of fluid behaviour in motion
  • c) Study of fluid behaviour at rest and in motion
  • d) Study of fluid behaviour at rest and in motion
Q.2
Which of the following is the basic principle of fluid mechanics?
  • a) Momentum principle
  • b) Energy equation
  • c) Continuity equation
  • d) All of the mentioned
Q.3
What is fluid mechanics used for?
  • a) Fluid mechanics enables to comprehend the behaviour of solid fluids under pressure
  • b) Fluid mechanics enables to comprehend the behaviour of fluids under a variety of forces & atmospheric conditions
  • c) Fluid mechanics enables to comprehend the behaviour of fluids under various temperatures only
  • d) None of the mentioned
Q.4
If a person studies about a fluid which is at rest, what will you call his domain of study?
  • a) Fluid Dynamics
  • b) Fluid Mechanics
  • c) Fluid Statics
  • d) Fluid Kinematics
Q.5
Which among the following is the standard symbol for Atwood number?
  • a) Ar
  • b) A
  • c) a
  • d) AR
Q.6
Which of the following method is used exclusively in fluid mechanics?
  • a) Eulerian method
  • b) Lagrangian method
  • c) Neither Lagrangian nor Eulerian method
  • d) Both Lagrangian and Eulerian methods
Q.7
Which of the following method is most commonly used in fluid mechanics for analysis?
  • a) Eulerian Method
  • b) Control volume analysis
  • c) Langragian method
  • d) None of the mentioned
Q.8
When is a fluid called turbulent?
  • a) High viscosity of fluid
  • b) Reynolds number is greater than 2000
  • c) Reynolds number is less than 2000
  • d) The density of the fluid is low
Q.9
Which among the following is the standard symbol for Blake number?
  • a) ba
  • b) b
  • c) Bi
  • d) Bl
Q.10
Stagnation point is the point in fluid mechanics where the velocity of the fluid at that point is _____
  • a) unity
  • b) constant
  • c) infinite
  • d) zero
Q.11
Which among the following is the standard symbol for Archimedes number?
  • a) Ar
  • b) A
  • c) a
  • d) AR
Q.12
Which among the following is referred to as the temperature at a stagnation point in the flow of fluids in fluid mechanics and thermodynamics.
  • a) Absolute temperature
  • b) Maximum temperature
  • c) Stagnation temperature
  • d) Hydraulic temperature
Q.13
What is model testing?
  • a) Overall testing
  • b) Function testing
  • c) Partial testing
  • d) Performance testing
Q.14
When is the fluid called laminar?
  • a) Low viscosity
  • b) The density of the fluid is high
  • c) Reynolds number is greater than 2000
  • d) Reynolds number is less than 2000
Q.15
Which among the following provides the third principle in fluid mechanics?
  • a) Conservation of Heat
  • b) Conservation of volume
  • c) Conservation of linear momentum
  • d) Conservation of mass
Q.16
When a fluid is subjected to resistance, it undergoes a volumetric change due to __________
  • a) Cohesion
  • b) Strain
  • c) Compressibility
  • d) Adhesion
Q.17
The compressible flow is assumed to be _____________
  • a) Adiabatic only
  • b) Isentropic only
  • c) Isentropic and adiabatic
  • d) Polytropic
Q.18
Principle of fluid mechanics works on the utilization of________
  • a) Velocity
  • b) Accelerating mass
  • c) Volume
  • d) Work
Q.19
Open channel flow takes place _______
  • a) In a pump
  • b) Within a cylindrical depth
  • c) On a free surface
  • d) In the pipe
Q.20
Which of the following is a type of fluid based on viscosity?
  • a) Real Fluid
  • b) Ideal Fluid
  • c) Newtonian Fluid
  • d) All of the mentioned
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