CPCE Fluid Flow & Heat Transfer Analysis

Question 1

What type of flow is characterized by smooth streamlines and no mixing?

Accepted Answer

Laminar flow

Answer

Turbulent flow

Answer

Compressible flow

Answer

Transient flow

Question 2

Which law governs the conductive heat transfer in solids?

Accepted Answer

Fourier’s Law

Answer

Newton's Law

Answer

Boyle’s Law

Answer

Hooke’s Law

Question 3

What does the Prandtl number represent?

Accepted Answer

Ratio of momentum to thermal diffusivity

Answer

Ratio of specific heats

Answer

Ratio of velocity to density

Answer

Ratio of temperature to pressure

Question 4

Which condition implies no heat transfer through a surface?

Accepted Answer

Adiabatic

Answer

Isothermal

Answer

Convective

Answer

Conductive

Question 5

Which equation is used for energy conservation in heat transfer?

Accepted Answer

Energy equation

Answer

Mass conservation equation

Answer

Momentum equation

Answer

Pressure correction equation

Question 6

What influences convective heat transfer?

Accepted Answer

Fluid movement and temperature difference

Answer

Only the material of the surface

Answer

Thermal resistance

Answer

Surface thickness

Question 7

Which parameter affects both fluid flow and heat transfer?

Accepted Answer

Thermal conductivity

Answer

Compressibility

Answer

Optical density

Answer

Magnetic flux

Question 8

What characterizes turbulent heat transfer?

Accepted Answer

Enhanced energy transport due to mixing

Answer

Steady conduction

Answer

Boundary stagnation

Answer

High thermal resistance

Question 9

Why is dimensional analysis important in heat transfer problems?

Accepted Answer

To derive empirical relationships using dimensionless numbers

Answer

To complicate boundary conditions

Answer

To eliminate governing equations

Answer

To reduce simulation costs