Home

What is the correct answer?

4

The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles due to difference of density caused by temperature of the particle is known as

A. Conduction

B. Free convection

C. Forced convection

D. Radiation

Correct Answer :

B. Free convection


Share this question with your friends
Show all Heat & Mass Transfer MCQ

Please do not use chat terms. Example: avoid using "grt" instead of "great".

Submit
Load More..

Related Questions

If the energy radiated per second per sq. cm. of the surface for wave… Depending on the radiating properties, a body will be white when Which of the following property of air does not increase with rise in… The ratio of Nusselt number and the product of Reynold's number and Prandtl… Heat transfer takes place as per Sensible heat is the heat required to The heat transfer from a hot body to a cold body is directly proportional… Planck's law holds good for The radiation emitted by a black body is known as A steam pipe is to be insulated by two insulating materials put over each… The ratio of surface convection resistance to the internal conduction… The time constant of a thermocouple is Fourier's law of heat conduction is (where Q = Amount of heat flow through… The total emissivity power is .defined as the total amount of radiation… Depending on the radiating properties, a body will be black when The most commonly used method for the design of duct size is the The unit of Stefan-Boltzmann constant is The expression Q = ρ AT4 is called The logarithmic mean temperature difference (tm) is given by (where Δt1… When heat is transferred from one particle of hot body to another by actual… In regenerator type heat exchanger, heat transfer takes place by The transfer of heat by molecular collision is smallest in Unit of thermal diffusivity is Metals are good conductors of heat because Which of the following has least value of conductivity? An electric cable of aluminium conductor (k = 240 W/mK) is to be insulated… Thermal diffusivity of a substance is The emissive power of a body depends upon its The energy distribution of an ideal reflector at higher temperatures is… Moisture would find its way into insulation by vapour pressure unless…

Also checkout

Biological Classification MCQ Indian Polity & Economy MCQ Industrial Engineering & Production Management Test MCQ Urology MCQ Races and Games MCQ Urinary Calculus Disease MCQ Chemical Equilibrium MCQ General Chemistry MCQ Softwares MCQ Advance DBMS MCQ Phylum - Aschelminthes MCQ Co-Ordination Compound MCQ