Engineering Thermodynamics The unit of energy in S.I. units is Joule joule/s watt joule/m Joule joule/s watt joule/m ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas constant (R) is equal to the Ratio of two specific heats Difference of two specific heats Sum of two specific heats Product of two specific heats Ratio of two specific heats Difference of two specific heats Sum of two specific heats Product of two specific heats ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Molecular volume of any perfect gas at 600 × 103 N/m² and 27°C will be 4.17 m3/kg mol 0.15 m3/kg mol 41.7 m3/kg mol 400 m3/kg mol 4.17 m3/kg mol 0.15 m3/kg mol 41.7 m3/kg mol 400 m3/kg mol ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system All of these Does not enable to determine change in entropy Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system All of these Does not enable to determine change in entropy 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) Both (B) and (C) cv/ cp =R cp - cv = R cv = R/ γ-1 Both (B) and (C) cv/ cp =R cp - cv = R cv = R/ γ-1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A diathermic wall is one which Prevents thermal interaction Permits thermal interaction Encourages thermal interaction Discourages thermal interaction Prevents thermal interaction Permits thermal interaction Encourages thermal interaction Discourages thermal interaction ANSWER DOWNLOAD EXAMIANS APP
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