Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 300° to 500°C 900° to 1100°C 700° to 900°C 500° to 700°C 300° to 500°C 900° to 1100°C 700° to 900°C 500° to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes is irreversible process? Adiabatic All of these Throttling Isothermal Adiabatic All of these Throttling Isothermal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition of perfect vacuum, i.e., absolute zero pressure can be attained at A temperature of 273 °K A temperature of - 273.16°C A temperature of 0°C A negative pressure and 0°C temperature A temperature of 273 °K A temperature of - 273.16°C A temperature of 0°C A negative pressure and 0°C temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - (1/ rγ - 1) 1 + (1/ rγ - 1) 1 + rγ - 1 1 - rγ - 1 1 - (1/ rγ - 1) 1 + (1/ rγ - 1) 1 + rγ - 1 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Boyle's law i.e. pV = constant is applicable to gases under All ranges of pressures Steady change of pressures High range of pressures Only small range of pressures All ranges of pressures Steady change of pressures High range of pressures Only small range of pressures ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For which of the following substances, the internal energy and enthalpy are the functions of temperature only Any gas Perfect gas Water Saturated steam Any gas Perfect gas Water Saturated steam ANSWER DOWNLOAD EXAMIANS APP
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