Heat Transfer Which area is used in case of heat flow by conduction through a cylinder ? Logarithmic mean area Geometric mean area None of the listed here Arithmetic mean area Logarithmic mean area Geometric mean area None of the listed here Arithmetic mean area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred By heating an intermediate material (like chequor bricks) and then heating the air from this hot material None of these By direct contact of hot flue gas with air Through a metallic wall By heating an intermediate material (like chequor bricks) and then heating the air from this hot material None of these By direct contact of hot flue gas with air Through a metallic wall ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is achieved in __________ flow. Turbulent Laminar Counter-current Co-current Turbulent Laminar Counter-current Co-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate per unit area is called thermal conductivity heat flux heat transfer co-efficient thermal diffusivity thermal conductivity heat flux heat transfer co-efficient thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? Diagonal square pitch None of these Triangular pitch Square pitch Diagonal square pitch None of these Triangular pitch Square pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam side heat transfer co-efficient in an evaporator is in the range of __________ kcal/hr.m²°C. 1000-1500 18537 100-500 5000-15000 1000-1500 18537 100-500 5000-15000 ANSWER DOWNLOAD EXAMIANS APP
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