Heat Transfer __________ heat exchanger is used for chilling oil to be dewaxed. U-tube Fixed tube Floating head Double pipe U-tube Fixed tube Floating head Double pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred None of these Through a metallic wall By direct contact of hot flue gas with air By heating an intermediate material (like chequor bricks) and then heating the air from this hot material None of these Through a metallic wall By direct contact of hot flue gas with air By heating an intermediate material (like chequor bricks) and then heating the air from this hot material ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its None of these Dense structure High specific heat High proportion of air space None of these Dense structure High specific heat High proportion of air space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Evaporation by thermocompression results in the None of these Both A and B Realisation of multiple effect economy in a single effect Saving of steam None of these Both A and B Realisation of multiple effect economy in a single effect Saving of steam ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to (where, f = Fanning friction factor) f/2 2f f f/4 f/2 2f f f/4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of the total emissive power to the absorptivity for all bodies is same at ther-mal equilibrium. This is __________ law. Kirchoffs Wien's displacement Planck's Stefan-Boltzman Kirchoffs Wien's displacement Planck's Stefan-Boltzman ANSWER DOWNLOAD EXAMIANS APP
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