EXAMIANS
Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface?
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Which of the following is the most widely used heat insulating material for pipelines carrying steam?
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For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally
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For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in
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Boiling point of a solution according to Duhring's rule is a linear function of the __________ of water.
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For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator.
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Conduction occurs in the buffer zone for a fluid flowing through a heated pipe, only when Prandtl number is
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The purpose of floating head in a heat exchanger is to
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The purpose of providing a 'catchall' in the vapor line of an evaporator is to
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In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid.
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