what is second law of thermodyanamic
Answers were Sorted based on User's Feedback
Answer / hi
second law of thermodynamics is a kelvin-planks statement
it states that the heat cannot transfer from cold temp to
high temp without any external workdone
| Is This Answer Correct ? | 25 Yes | 9 No |
Answer / gurmeet.mech
Clausis statement: it is impossible to construct an engine
which will transfer the heat from low temperature sink to a
higher temerature source.
Kelvin statement: It is impossible to construct an engine
which will do any work by operating between the same
temerature sources.
| Is This Answer Correct ? | 7 Yes | 1 No |
Answer / sreekesh s
for a spontaneous(natural) process the entropy always
increases.
| Is This Answer Correct ? | 6 Yes | 3 No |
Answer / karthick
clausius statement--heat cannot be transferred from cold
body to hot body without any external source
100% efficiency is not possible from any machines
| Is This Answer Correct ? | 4 Yes | 1 No |
Answer / bandi srinivas
It is impossible that heat can't flow from lower temp. to
higher temp. without any external agency.
| Is This Answer Correct ? | 3 Yes | 2 No |
Answer / rakesh nagdev
The second law of thermodynamics is an expression of the
universal law of increasing entropy, stating that the
entropy of an isolated system which is not in equilibrium
will tend to increase over time, approaching a maximum
value at equilibrium.
For more info visit following link,
http://en.wikipedia.org/wiki/Second_law_of_thermodynamics
| Is This Answer Correct ? | 2 Yes | 1 No |
charles statement 'the engine cant design the available
heat energy fully converted into work with out loss '
kelvin statement" the heat cant flow itself from cold
region to hot region without adding work.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / prasadsurendranaik
it is impossible to take energy from sink to source unless
use of externnal force
whenever you operate a heat engines between same sourse &
sink it has same efficiency
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / biswajit pradhan
hello friend
the second law of thermodynamics consisting of a 4 to 5
corollary so plz refer thermal engg for all the details.
thanQ
| Is This Answer Correct ? | 1 Yes | 2 No |
Answer / hari prasad
It is impossible to construct a device that operates in a
cycle and produces no
effect other than the removal of heat from a body at one
temperature and the
absorption of an equal quantity of heat by a body at a
higher temperature.
| Is This Answer Correct ? | 0 Yes | 1 No |
hi for amvi post 3 years of experience in lmv is mandatory rule my lmv will get old for 3 years for the next year 8 month 2009 buddyys plzz post exam pattern to my email id to sama_reddy2003 @yahoo.com
What is the volume develop by the piston from BDC to TDC
Why do you think we should hire you for this job?
Where use 6 stroke engine
Which pipe is better, ERW or Seamless, when we talk of impact force upto 2700N ?
first law of thermodynamics deals with
What are materials used for manufacturing of gears ?
Give one example each of the following proportion of materials dimensional, physical, technological and mechanical.
WHY WE CALL AS I AM HAVING WEIGHT OF 50 KG. USING KG INSTEAD OF NEWTON BCOZ WE KNOW THAT UNIT IS KG
When crude oil heated Which Hydro carbon comes first?
1 Answers Essar, GM General Motors,
When effect of variations in specific heats is considered then how do maximum temperature and pressure vary compared to air standard cycle ?
1.In modal analysis ,we can give damping or not? 2.draw goodman's rankine fatigue curve? 3.write down goodman's rankine fatigue equation? 4.IN structural analysis ,out of so many stresses,why von-mises stress are chosen?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)