Engineering Thermodynamics Which of the following processes are thermodynamically reversible? Isothermal and adiabatic Throttling Free expansion Constant volume and constant pressure Isothermal and adiabatic Throttling Free expansion Constant volume and constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Pulverized coal Hard coal Soft coal Bituminous coal Pulverized coal Hard coal Soft coal Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly Entropy Temperature Enthalpy Internal energy Entropy Temperature Enthalpy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics Provides relationship between heat, work and internal energy All of these Does not enable to determine change in entropy Enables to determine change in internal energy of the system Provides relationship between heat, work and internal energy All of these Does not enable to determine change in entropy Enables to determine change in internal energy of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant) mcv (T2 - T1) mR (T2 - T1) mcp (T2 - T1) mcp (T2 + T1) mcv (T2 - T1) mR (T2 - T1) mcp (T2 - T1) mcp (T2 + T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For reversible adiabatic process, change in entropy is Negative Zero Maximum Minimum Negative Zero Maximum Minimum ANSWER DOWNLOAD EXAMIANS APP
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