Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) (T1/T2) - 1 1 - (T2/T1) 1 - (T1/T2) 1 + (T2/T1) (T1/T2) - 1 1 - (T2/T1) 1 - (T1/T2) 1 + (T2/T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The fuel mostly used in blast furnace for extracting pig iron from iron ores is Soft coke Hard coke Pulverized coal Bituminous coal Soft coke Hard coke Pulverized coal Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? All the reversible and irreversible engines have the same efficiency. All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Measurement of temperature is based on First law of thermodynamics Second law of thermodynamics Thermodynamic properties Zeroth law of thermodynamics First law of thermodynamics Second law of thermodynamics Thermodynamic properties Zeroth law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The energy of molecular motion appears as Surface tension Potential energy Friction Heat Surface tension Potential energy Friction Heat ANSWER DOWNLOAD EXAMIANS APP
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