Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T² Q ∝ T³ Q ∝ T⁴ None of these Q ∝ T² Q ∝ T³ Q ∝ T⁴ None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect, the pressure build up will be least at the inlet of the first effect highest at the inlet of the last effect least at the outlet of the last effect highest at the outlet of the last effect least at the inlet of the first effect highest at the inlet of the last effect least at the outlet of the last effect highest at the outlet of the last effect 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 Which of the following has the lowest overall heat transfer co-efficient? Dowtherm Molten sodium Water Air Dowtherm Molten sodium Water Air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the highest thermal conductivity ? Silver Water Air Black Silver Water Air Black ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux, as defined in heat flow is analogous to __________ in electricity flow. Resistance Current Voltage None of these Resistance Current Voltage None of these ANSWER DOWNLOAD EXAMIANS APP
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