Fluid Flow -Multiple Choice Questions Quiz

Interactive MCQs on “Fluid Flow”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is fluid flow?

(a) The movement of fluids in a straight line
(b) The movement of fluids in a circular path
(c) The motion of fluids from one location to another
(d) The resistance of fluids to flow

Question 2: Which property of a fluid determines the ease of flow?

(a) Density
(b) Viscosity
(c) Pressure
(d) Temperature

Question 3: What is the equation to calculate the flow rate of a fluid through a pipe?

(a) Flow rate = Pressure difference / Viscosity
(b) Flow rate = Density × Cross-sectional area × Velocity
(c) Flow rate = Pressure / Temperature
(d) Flow rate = Viscosity × Cross-sectional area × Velocity

Question 4: In which type of fluid flow does the fluid follow smooth and parallel streamlines?

(a) Laminar flow
(b) Turbulent flow
(c) Compressible flow
(d) Steady flow

Question 5: Which type of fluid flow is characterized by irregular and chaotic flow patterns with eddies and swirls?

(a) Laminar flow
(b) Turbulent flow
(c) Compressible flow
(d) Steady flow

Question 6: What is the Reynolds number used for in fluid flow analysis?

(a) To calculate the flow rate of the fluid
(b) To determine the density of the fluid
(c) To predict the occurrence of turbulence in the flow
(d) To measure the pressure difference in the flow

Question 7: What is the critical Reynolds number for the transition from laminar to turbulent flow in a pipe?

(a) 100
(b) 500
(c) 1000
(d) 2000

Question 8: Which factor affects the pressure drop in a fluid flowing through a pipe?

(a) Density of the fluid
(b) Cross-sectional area of the pipe
(c) Viscosity of the fluid
(d) Length of the pipe

Question 9: What is the name for the flow pattern that occurs when a fluid passes through a constriction, causing its velocity to increase and pressure to decrease?

(a) Venturi effect
(b) Bernoulli effect
(c) Pascal effect
(d) Archimedes effect

Question 10: Which law states that the flow rate of an incompressible and steady fluid through a pipe remains constant, assuming no energy losses?

(a) Pascal's law
(b) Bernoulli's law
(c) Hooke's law
(d) Conservation of mass