Heat and Mass Transfer The time constant of a thermocouple is Determined by the time taken to reach 100°C from 0°C The time taken to attain the final temperature to be measured The time taken to attain 50% of the value of initial temperature difference The time taken to attain 63.2% of the value of initial temperature difference Determined by the time taken to reach 100°C from 0°C The time taken to attain the final temperature to be measured The time taken to attain 50% of the value of initial temperature difference The time taken to attain 63.2% of the value of initial temperature difference ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer A steam pipe is to be lined with two layers of insulating materials of different thermal conductivities. For the minimum heat transfer, The better insulation must be put outside One could place either insulation on either side One should take into account the steam temperature before deciding as to which insulation is put where The better insulation must be put inside The better insulation must be put outside One could place either insulation on either side One should take into account the steam temperature before deciding as to which insulation is put where The better insulation must be put inside ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In heat exchangers, degree of approach is defined as the difference between temperatures of Hot medium outlet and cold water inlet Hot medium outlet and cold water outlet Hot medium inlet and outlet Cold water inlet and outlet Hot medium outlet and cold water inlet Hot medium outlet and cold water outlet Hot medium inlet and outlet Cold water inlet and outlet ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat flows from one body to other when they have Different atomic structure Different specific heat Different heat contents Different temperatures Different atomic structure Different specific heat Different heat contents Different temperatures ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The unit of overall coefficient of heat transfer is kcal/hr °C kcal/m hr °C kcal/m² kcal/m² hr °C kcal/hr °C kcal/m hr °C kcal/m² kcal/m² hr °C ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Conduction is a process of heat transfer None of these From one particle of the body to another without the actual motion of the particles From one particle of the body to another by the actual motion of the heated particles From a hot body to a cold body, in a straight line, without affecting the intervening medium None of these From one particle of the body to another without the actual motion of the particles From one particle of the body to another by the actual motion of the heated particles From a hot body to a cold body, in a straight line, without affecting the intervening medium ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS