Engineering Thermodynamics The general law for the expansion or compression of gases, is pv = m R T pv = C pvγ = C pvn = C pv = m R T pv = C pvγ = C pvn = C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Does some external work during expansion Both (B) and (C) Increases the temperature of the gas Increases the internal energy of the gas Does some external work during expansion Both (B) and (C) Increases the temperature of the gas Increases the internal energy of the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Coke is produced When coal is first dried and then crushed to a fine powder by pulverizing machine By heating wood with a limited supply of air to a temperature not less than 280°C 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 When coal is first dried and then crushed to a fine powder by pulverizing machine By heating wood with a limited supply of air to a temperature not less than 280°C 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of 224 liters 0.224 liters 22.4 liters 2.24 liters 224 liters 0.224 liters 22.4 liters 2.24 liters ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Intensive property of a system is one whose value Is not dependent on the path followed but on the state Depends on the mass of the system, like volume Does not depend on the mass of the system, like temperature, pressure, etc. Is dependent on the path followed and not on the state Is not dependent on the path followed but on the state Depends on the mass of the system, like volume Does not depend on the mass of the system, like temperature, pressure, etc. Is dependent on the path followed and not on the state ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T2/T1) 1 + (T2/T1) 1 - (T1/T2) (T1/T2) - 1 1 - (T2/T1) 1 + (T2/T1) 1 - (T1/T2) (T1/T2) - 1 ANSWER DOWNLOAD EXAMIANS APP
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