Answer / karthick

heat transfers due to temp difference(high temp to low
temp) whereas mass transfers due to concentration differs
(ex some portion of room have high conentration of nitrogen
and the other portion have low.here the nitrogen slowly
diffuses from high area to low concentration area to attain
equilibrium)

Answer / irshad

Heat transfer deals with the movement of heat and temperature gradients. The three types of heat transfer are conduction, convection, and radiation. Mass transfer deals with concentrations of a particular substance. Types of mass transfer include diffusion and convection

Answer / mechpower09

heat transfer is the transfer of energy due to temperature
difference whereas mass transfer is the transfer of energy
due to concentration difference

Answer / umar farooque raza

In mass transfer the particles left their place, but in heat transfer, the particles can not their place because of heat is not a matter.

Answer / hafeez ullah

in heat transfer the driving force must be the temp difference but in mass transfer driving force may be expressed in differ way

Answer / pavan

heat tranfers both high and low temperature in any component.but mass cannot tranfer to component.heat can descipates itself but mass cannot desipates.Mass can store the energy by locating itself but heat cannot be stored itself,it only transfers.heat changes itself but mass cannot.

How with alloying of steel it is possible to a achieve properties which can not be achieved with heat treatment ?

0 Answers  

Sir i am appearing for the section engineer post examination of railway recruitment board.Can you please send me the previous question papers from 2001 to till date.

0 Answers  

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0 Answers  

Brief difference between lead screw & Ball screw.

1 Answers   ARDE,

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2 Answers   RRB,

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2 Answers  

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1 Answers   Thermax,

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0 Answers  

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0 Answers   ABC Inc, RRB, Siemens,

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0 Answers  

Why do you need a keyway in the construction of a wall?

0 Answers