Hamad Chemical Heat Transfer 26/10/2021 A. D/5 and D B. D/2 and 2 D C. D/4 and 2 D D. D and 2 D 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... Forced circulation evaporators are normally used for concentrating liquids having ___________________?A. Scaling characteristics B. High viscosity C. Both A. & B. D. Neither A. nor B.... It is not preferable to use superheated steam in evaporators, because of its very_________________?A. High temperature B. High pressure C. Low film co-efficient D. None of these... Pick out the correct equation ?A. jH = (St)(Pr)2/3 = f/2 B. jH = (St)(Pr)1/3 = f/2 C. jH = (St)2/3(Pr) = f/2 D. jH = (St)1/3(Pr) = f/2... Which of the following has the lowest Prandtl number ?A. Molten sodium (a coolant used in fast breeder reactor) B. Water C. Transformer oil D. Dilute H2SO4...
Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ
Recent Comments