Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Lower economy Both A & B Lower capacity Higher economy Lower economy Both A & B Lower capacity Higher economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the unit of thermal conductivity ? Kcal/hr.m Kcal/hr. m² °C Kcal/hr.m.°C Kcal/hr. °C Kcal/hr.m Kcal/hr. m² °C Kcal/hr.m.°C Kcal/hr. °C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficient at inside of the pipe ) 2K/h0 2hi/K hi/K K/h0 2K/h0 2hi/K hi/K K/h0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation of steam on cooling surface is promoted An oily surface Only in presence of air None of these When both the steam and the tube are clean An oily surface Only in presence of air None of these When both the steam and the tube are clean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect, the pressure build up will be least at the outlet of the last effect least at the inlet of the first effect highest at the inlet of the last effect highest at the outlet of the last effect least at the outlet of the last effect least at the inlet of the first effect highest at the inlet of the last effect highest at the outlet of the last effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The units of resistance to heat transfer is W⁻¹m²K J.m⁻².K⁻¹ J.m⁻¹.K⁻¹ W.m⁻².K⁻¹ W⁻¹m²K J.m⁻².K⁻¹ J.m⁻¹.K⁻¹ W.m⁻².K⁻¹ ANSWER DOWNLOAD EXAMIANS APP