In which mode, does the heat energy transfer between two bodies when – McqOptions

MCQOPTIONS

1.	In which mode, does the heat energy transfer between two bodies when they are separated by some distance and there is no any medium between them?
A.	conduction mode of heat transfer
B.	convection mode of heat transfer
C.	radiation mode of heat transfer
D.	heat transfer cannot takes place with above condition
Answer» D. heat transfer cannot takes place with above condition

Discussion

No Comment Found

Related MCQs

<p> Which among the following methods for estimation of convective heat transfer coefficient are having some limitations? (1) Analogy between heat, mass and momentum transfer (2) Dimensional analysis coupled with experimental data (3) Approximate analysis of the boundary layer equation (4) Exact mathematical analysis of the boundary layer equation</p>
<p> At the critical radius of insulation of a hollow sphere, the heat transfer will be</p>
<p> The scales form in heat exchangers after a period of operation and provide additional resistance to heat transfer with some heat transfer coefficient. The reciprocal of this scale heat transfer coefficient is called as</p>
<p> Which of the following is the case of heat transfer by radiation ___________________?</p>
<p> A thorough knowledge of the mechanism is necessary for the estimate of convective heat transfer coefficient so that the process can be adequately represented by mathematical equation. This is a limitation of the method of</p>
<p> Unit of thermal conductivity in M.K.S. units is ___________________?</p>
<p> The term in the heat transfer system which is analogous to the electrical resistance is called as</p>
<p> A perfect black body is one which_______________?</p>
<p> According to the Stefan-Boltzmann law of thermal radiation for a perfect radiator, the rate of radiant energy per unit area is proportional to</p>
<p> Mass transfer does not take place in</p>