Answer / sandip

Entropy is a measure of irreversibility or disorderness of a
system. All actual thermodynamic processes are irreversible
and their amount of irreversibility is measured by change in
entropy.

Answer / ak

Entropy is always associated with heat transfer between 2 bodies....it is ratio of heat transfer and temp....so if a body is rejecting heat its entropy is decreasing and if a body is gaining heat then its entropy is increasing...

Answer / archana

Entropy defines weather a cycle is reversible or irreversible

Answer / vny

actually entropy doesn't have any significance, we always defined change in entropy of a substance.. entropy generally defines the amount of internal energy gain or heated by the source on increasing temperature...
it is a state function i.e. its only depend on the intial and final postion of the body...

ex. heating or cooling of matter

Answer / samurai

refrigerators which are based on negative entropy
air conditioners(ac)etc

Answer / manoj kumar verma

sun rays are touch the particles & which value of heated
it's entropy.

Answer / anand

change of temperature

Define heat factor, Load factor.

1 Answers  

how to calculate volume of torispherical head in design of pressure vessel???????

3 Answers  

Name the four most important components of a Freon refrigeration system.

0 Answers   RRB,

What are the causes if one cylinder in a diesel engine has a high temperature?

0 Answers  

Which will be more suitable to make a shaft from these - EN8 , EN9 , EN 24. and what will be the life of shaft by these material?

0 Answers  

What is mean by reconditioning & retrofitting of machine tool please brief.

0 Answers  

These questions were asked at NICL for the post of Administrative Officer(Specialist): 1. Questions on B.Tech Project 2. What is camshaft and its working 3. Shape of a Cam 4. If Otto and Diesel Cycle has same compression ratio that which will have higher efficiency 5. Effect on IC Engine efficiency if inlet temp increased 6. Who is the current world champion in Chess(as of Sept 2012) 7. Sports person involved in dope charges(Lance Armstrong) 8. Formula for Otto cycle efficiency in terms of temperature 9. 2016 olympics will be going to held in which city

2 Answers   Atlas Honda, JL, NIC,

if any body selected in bhel et oct 08'pl tell me how to be selected

2 Answers   Bhel,

What is the difference between column and strut ?

0 Answers  

What is the function of rocker arm

3 Answers   Engineers India Limited, HPCL,

What are various types of brakes?

0 Answers  

What is the cause of backfire in boiler

1 Answers   Thermax,