Heat and Mass Transfer The amount of radiation mainly depends on All of these Temperature of body Nature of body Type of surface of body All of these Temperature of body Nature of body Type of surface of body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat transfer takes place as per First law of thermodynamic Kirchoff's law Second law of the thermodynamics Zeroth law of thermodynamics First law of thermodynamic Kirchoff's law Second law of the thermodynamics Zeroth law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Radiation is the process of heat transfer in which heat flows from a ________, in a straight line, without affecting the intervening medium. Hot body to cold body Smaller body to larger body Larger body to smaller body Cold body to hot body Hot body to cold body Smaller body to larger body Larger body to smaller body Cold body to hot body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Film coefficient is defined as Inside diameter of tube Film coefficient × Inside diameter Thermal conductivity Equivalent thickness of film Thermal conductivity Molecular diffusivity of momentum Thermal diffusivity Thermal conductivity Equivalent thickness of film Specific heat × Viscosity Film coefficient × Inside diameter Thermal conductivity Equivalent thickness of film Thermal conductivity Molecular diffusivity of momentum Thermal diffusivity Thermal conductivity Equivalent thickness of film Specific heat × Viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following has least value of conductivity? Air Plastic Glass Water Air Plastic Glass Water ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Wien’s law states that the wave length corresponding to ________ is proportional to the absolute temperature. Minimum energy None of these Maximum energy Both (A) and (B) Minimum energy None of these Maximum energy Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP