Heat Transfer Grashoff number, which is defined as g . β(Ts - T∞) ρ². L³/μ², is proportional to the ratio of buoyancy force to __________ force. Elastic Viscous None of these Inertial Elastic Viscous None of these Inertial ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for a spherical shell is (where, K = thermal conductivity of insulating material h0 = heat transfer coefficient at the outer surface) K/h0 h0/K h0/2K 2K/h0 K/h0 h0/K h0/2K 2K/h0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is More or less; depends on the nature of solution Same Less More More or less; depends on the nature of solution Same Less More ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger. Thrice Twice Once Four times Thrice Twice Once Four times ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer co-efficient (h1) for liquids increases with Decreasing Reynolds number Increasing temperature Decreasing temperature None of these Decreasing Reynolds number Increasing temperature Decreasing temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The unit of conductance in SI unit is W/m W/m² W/m°K W/°K W/m W/m² W/m°K W/°K ANSWER DOWNLOAD EXAMIANS APP
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