Heat and Mass Transfer When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by Conduction and convection Conduction Convection Radiation Conduction and convection Conduction Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer When absorptivity (α) = 1, reflectivity (ρ) = 0 and transmissivity (τ) = 0, then the body is said to be a Opaque body Black body Grey body White body Opaque body Black body Grey body White body 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 Thermal resistance Thermal conductivity Thermal coefficient Temperature gradient Thermal resistance Thermal conductivity Thermal coefficient Temperature gradient ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The radiation emitted by a black body is known as Total radiation Full radiation All of these Black radiation Total radiation Full radiation All of these Black radiation ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Log mean temperature difference in case of counter flow compared to parallel flow will be Less Same Depends on other factors More Less Same Depends on other factors More ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat transfer by radiation mainly depends upon Nature of the body All of these Its temperature Kind and extent of its surface Nature of the body All of these Its temperature Kind and extent of its surface ANSWER DOWNLOAD EXAMIANS APP
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