Hamad Chemical Heat Transfer 03/05/2021 A. Reduce the capacity B. Reduce the economy C. Increase the economy D. None of these Related Mcqs: Which of the following is the most widely used heat insulating material for pipelines carrying steam ?A. Tar dolomite bricks followed by asbestos B. Fireclay refractory followed by aluminium sheet C. Cotton followed by aluminium foil D. 85% magnesia cement and glass wool... A sphere of radius ‘R1’ is enclosed in a sphere of radius ‘R2’. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is ________________?A. 0 B. R2/(R1+R2) C. 1 D. (R1/R2)2... Stefan-Boltzmann law applies to _____________ body?A. Black B. White C. Grey D. Any colour... The units of resistance to heat transfer is _____________________?A. J.m-2.K-1 B. J.m-1.K-1 C. W.m-2.K-1 D. W-1m2K... For what value of Prandtl number, the Col-burn analogy is valid ?A. 0.06 to 120 B. 0.6 to 120 C. 1 to 103 D. 1 to 50...
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