Heat and Mass Transfer The rate of energy transferred by convection to that by conduction is called Biot number Nusselt number Peclet number Stanton number Biot number Nusselt number Peclet number Stanton number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer An electric cable of aluminium conductor (k = 240 W/mK) is to be insulated with rubber (k = 0.15 W/mK). The cable is to be located in air (h = 6 W/m²). The critical thickness of insulation will be 25 mm 800 mm 160 mm 40 mm 25 mm 800 mm 160 mm 40 mm ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Joule sec is the unit of Universal gas constant Kinematic viscosity Planck's constant Thermal conductivity Universal gas constant Kinematic viscosity Planck's constant Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following has maximum value of thermal conductivity? Brass Steel Copper Aluminium Brass Steel Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Depending on the radiating properties, a body will be black when(Where a = absorptivity, p = reflectivity, X = transmissivity.) X = 0, a + p = 0 P = 0, x = 1 and a = 0 P= 1, T = 0 and a = 0 P = 0, x = 0 and a = 1 X = 0, a + p = 0 P = 0, x = 1 and a = 0 P= 1, T = 0 and a = 0 P = 0, x = 0 and a = 1 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat conducted through per unit area and unit thick face per unit time when temperature difference between opposite faces is unity, is called Temperature gradient Thermal conductivity Thermal coefficient Thermal resistance Temperature gradient Thermal conductivity Thermal coefficient Thermal resistance ANSWER DOWNLOAD EXAMIANS APP
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