91. In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface.
92. Pick out the correct statement.
93. Steady state one dimensional heat flow by conduction as given by Fourier's low does not assume that
94. Steam traps are provided in steam carrying pipelines to
95. In sub-cooled boiling,
96. Presence of a non-condensing gas in a condensing vapour
97. Absorptivity of a perfect black body is unity. Which of the following has maximum absorptivity?
98. As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient
99. Heat transfer by natural convection is enhanced in system with
100. A black body when hot, emits heat radiation of __________ wavelengths.
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