Heat Transfer Low thermal conductivity of heat insulating materials is due to its Dense structure High proportion of air space None of these High specific heat Dense structure High proportion of air space None of these High specific heat ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer, in which heat is transferred by movement of warmed matter is described by Newton's law of cooling Fourier's law Fick's law None of these Newton's law of cooling Fourier's law Fick's law None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor Does not provide a safety factor for design Is a dimensionless quantity None of these Accounts for additional resistances to heat flow Does not provide a safety factor for design Is a dimensionless quantity None of these Accounts for additional resistances to heat flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer While the total emissivity of a perfect black body is unity, the same for a real body is >1 between 0 and 1 0 1 >1 between 0 and 1 0 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day, when it is concentrating from 10% to 25% solids. The water evaporated in kg per day is 48000 6000 24000 60000 48000 6000 24000 60000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall heat transfer co-efficient for a shell and tube heat exchanger for clean surfaces is U0 = 400 W/m².K. The fouling factor after one year of operation is found to be hd0 = 2000 W/m².K. The overall heat transfer co-efficient at this time is 333W/m².K 894W/m².K 1200W/m².K 287 W/m².K 333W/m².K 894W/m².K 1200W/m².K 287 W/m².K ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS