Heat Transfer What is the unit of thermal conductivity ? Kcal/hr. °C Kcal/hr.m.°C Kcal/hr.m Kcal/hr. m² °C Kcal/hr. °C Kcal/hr.m.°C Kcal/hr.m Kcal/hr. m² °C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiant energy received by a body is proportional to (where, d = the distance between the object emitting radiation and that receiving it.) √d d1.5 d2 d √d d1.5 d2 d ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer During crystallisation, formation of crystal can occur in __________ solution only. Saturated Supersaturated Undersaturated All of these Saturated Supersaturated Undersaturated All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of a solution of NaOH Increases rapidly with temperature rise Both B and C Is almost independent of temperature Is almost independent of pressure Increases rapidly with temperature rise Both B and C Is almost independent of temperature Is almost independent of pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Fourier's law, the proportionality constant is called the Heat transfer co-efficient Stefan-Boltzman constant Thermal diffusivity Thermal conductivity Heat transfer co-efficient Stefan-Boltzman constant Thermal diffusivity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the absorptivity of a black body? 0.95 1 0.78 0.95 1 0.78 ANSWER DOWNLOAD EXAMIANS APP