Hamad Chemical Heat Transfer 25/04/2020 A. 1 B. > 1 C. < 1 D. 0.1 Related Mcqs: Critical value of the _____________ number governs the transition from laminar to turbulent flow in free convection heat transfer?A. Grashoff B. Reynolds C. Both ‘a’ & ‘b’ D. Prandtl & Grashoff... Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter)?A. 0.2 D B. 0.5 D C. 0.66 D D. 0.80 D... A BTU/hr.ft.2 °F is equal to_________________?A. 1 kcal/hr. m2°C B. 4.88 kcal/hr. m.2°C C. 1 kcal/hr. m2.°K D. None of these... 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... Heat exchanger tubes are never made of_________________?A. Plain carbon steel B. Stainless steel C. Lead D. Copper...
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