Home

What is the correct answer?

4

Which of the following statement is correct according to Clausis statement of second law of thermodynamics?

A. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature.

B. It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source.

C. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle.

D. None of the above

Correct Answer :

B. It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source.


Related Questions

Principal planes are planes having The property of a material which allows it to be drawn into a smaller… The assumption made in Euler's column theory is that When a body is subjected to two equal and opposite pushes, as a result… The ratio of lateral strain to the linear strain within elastic limit… Strain energy is the Efficiency of a riveted joint is the ratio of its strength (max. load… One Joule (J) is equal to A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure… According to Kelvin-Planck's statement, a perpetual motion of the __________… The general gas energy equation is (where Q1 - 2 = Heat supplied, dU =… When the gas is heated at constant volume, the heat supplied In the below figure, the stress corresponding to point D is The ratio of specific heat at constant pressure (cp) and specific heat… When a body is subjected to three mutually perpendicular stresses, of… Which is the incorrect statement about Carnot cycle? When the gas is cooled at constant pressure, A cylindrical section having no joint is known as The pull required to tear off the plate per pitch length is (where p =… In a reversible adiabatic process, the ratio of T1/T2 is equal to When a perfect gas is expanded through an aperture of minute dimensions,… Youngs modulus of a wire is defined as the stress which will increase… For the same maximum pressure and temperature, When a rectangular beam is loaded transversely, the maximum compressive… The value of one bar (in S. I. units) is equal to Mond gas is obtained by The ratio of the largest load in a test to the original cross-sectional… The strain energy stored in a solid circular shaft in torsion, subjected… According to First law of thermodynamics, The efficiency of a Carnot engine depends on