Heat Transfer The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) ∝ 1/t ∝ √t Independent of 't' ∝ t ∝ 1/t ∝ √t Independent of 't' ∝ t ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A black body does not __________ radiation. Refract Both B & C Reflect Absorb or emit Refract Both B & C Reflect Absorb or emit ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Evaporation by thermocompression results in the 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest Prandtl number? Molten sodium (a coolant used in fast breeder reactor) Water Transformer oil Dilute H₂SO₄ Molten sodium (a coolant used in fast breeder reactor) Water Transformer oil Dilute H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Trap is used to remove __________ from steam pipe lines. Non-condensables Condensate Steam None of these Non-condensables Condensate Steam None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchanger tubes are never made of Lead Copper Stainless steel Plain carbon steel Lead Copper Stainless steel Plain carbon steel ANSWER DOWNLOAD EXAMIANS APP