Hamad Chemical Heat Transfer 20/10/2021 A. Low Reynold’s number B. Very low Grashoff number C. Molten metals D. All A., B. and C. 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... Which of the following is directly concerned with the heat transfer ?A. Strouhal number B. Sherwood number C. Euler number D. Grashoff number... If heat transfer rate varies with the time, it is termed as__________________?A. Forced convection B. Steady state conduction C. Monochromatic radiation D. None of these... Water is normally used as a coolant in the heat exchange equipments mainly because of its___________________?A. Abundance & high heat capacity B. Low density C. Low viscosity D. High fluidity... 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...
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