Heat Transfer What is the geometric mean of two heat transfer areas A₁ and A₂ ? 1/2 √(A₁ . A₂) √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Evaporation by thermocompression results in the None of these Both A and B Saving of steam Realisation of multiple effect economy in a single effect None of these Both A and B Saving of steam Realisation of multiple effect economy in a single effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus-Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of 6.1 1 37 1.74 6.1 1 37 1.74 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscosity of gases __________ with increase in temperature. Decrease slowly Increase slowly Remain unaffected Increase very rapidly Decrease slowly Increase slowly Remain unaffected Increase very rapidly ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer All analogy equations connecting friction factor and heat transfer co-efficient apply only to Turbulent flow Wall or skin friction Both A and B Form friction Turbulent flow Wall or skin friction Both A and B Form friction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The most conducive surface for dropwise condensation to occur is the __________ surface. Oily Coated Glazed & polished Smooth Oily Coated Glazed & polished Smooth ANSWER DOWNLOAD EXAMIANS APP
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