Engineering Thermodynamics A diathermic wall is one which Encourages thermal interaction Discourages thermal interaction Prevents thermal interaction Permits thermal interaction Encourages thermal interaction Discourages thermal interaction Prevents thermal interaction Permits thermal interaction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant) cp - cv = R cv = R/ γ-1 Both (B) and (C) cv/ cp =R cp - cv = R cv = R/ γ-1 Both (B) and (C) cv/ cp =R ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kelvin Planck's law deals with Conservation of work Conversion of work into heat Conservation of heat Conversion of heat into work Conservation of work Conversion of work into heat Conservation of heat Conversion of heat into work ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas. Three-forth One-third One-half Two-third Three-forth One-third One-half Two-third ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Zeroth law of thermodynamics Deals with heat engines Deals with conversion of mass and energy Deals with reversibility and irreversibility of process States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other Deals with heat engines Deals with conversion of mass and energy Deals with reversibility and irreversibility of process States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other ANSWER DOWNLOAD EXAMIANS APP
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