Engineering Thermodynamics The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant) pv = mRT pv = RTm pv = (RT)m pvm = C pv = mRT pv = RTm pv = (RT)m pvm = C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Coke is produced When coal is first dried and then crushed to a fine powder by pulverizing machine From the finely ground coal by moulding under pressure with or without a binding material When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel By heating wood with a limited supply of air to a temperature not less than 280°C When coal is first dried and then crushed to a fine powder by pulverizing machine From the finely ground coal by moulding under pressure with or without a binding material When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel By heating wood with a limited supply of air to a temperature not less than 280°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of cp/cv for air is 1.45 1.4 2.3 1 1.45 1.4 2.3 1 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 0°C A negative pressure and 0°C temperature A temperature of - 273.16°C A temperature of 273 °K A temperature of 0°C A negative pressure and 0°C temperature A temperature of - 273.16°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv). Equal to Less than None of these More than Equal to Less than None of these More than ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, Work-done by a system is equal to the heat transferred by the system Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant Total internal energy of a system during a process remains constant Work-done by a system is equal to the heat transferred by the system Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant Total internal energy of a system during a process remains constant ANSWER DOWNLOAD EXAMIANS APP
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