Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T1/T2) (T1/T2) - 1 1 + (T2/T1) 1 - (T2/T1) 1 - (T1/T2) (T1/T2) - 1 1 + (T2/T1) 1 - (T2/T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A cycle consisting of ___ and two isothermal processes is known as Stirling cycle. One constant pressure, one constant volume Two constant pressure Two isentropic Two constant volume One constant pressure, one constant volume Two constant pressure Two isentropic Two constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes is irreversible process? Adiabatic Throttling All of these Isothermal Adiabatic Throttling All of these Isothermal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied All of these When heat is being absorbed, temperature of hot source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered When beat is being rejected, temperature of cold source and working substance should be same All of these When heat is being absorbed, temperature of hot source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered When beat is being rejected, temperature of cold source and working substance should be same ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of Two constant volume and two isothermal processes Two constant pressure and two isentropic processes Two constant volume and two isentropic processes One constant pressure, one constant volume and two isentropic processes Two constant volume and two isothermal processes Two constant pressure and two isentropic processes Two constant volume and two isentropic processes One constant pressure, one constant volume and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For same compression ratio and for same heat added Diesel cycle is more efficient than Otto cycle Otto cycle is more efficient than Diesel cycle Efficiency depends on other factors Both Otto and Diesel cycles are equally efficient Diesel cycle is more efficient than Otto cycle Otto cycle is more efficient than Diesel cycle Efficiency depends on other factors Both Otto and Diesel cycles are equally efficient ANSWER DOWNLOAD EXAMIANS APP
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