Engineering Thermodynamics Which of the following is the correct statement? All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible and irreversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible and irreversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a no flow reversible process for which p = (-3V + 15) × 105 N/m², V changes from 1 m3 to 2 m3. The work done will be about 10 × 10⁵ joules 10 × 10⁵ kilo joules 100 × 10⁵ joules 1 × 10⁵ joules 10 × 10⁵ joules 10 × 10⁵ kilo joules 100 × 10⁵ joules 1 × 10⁵ joules ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 v2/v1 (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The mass of flue gas per kg of fuel is the ratio of the Mass of carbon in 1 kg of flue gas to the mass of carbon in 1 kg of fuel Mass of oxygen in 1 kg of fuel to the mass of oxygen in 1 kg of flue gas Mass of oxygen in 1 kg of flue gas to the mass of oxygen in 1 kg of fuel Mass of carbon in 1 kg of fuel to the mass of carbon in 1 kg of flue gas Mass of carbon in 1 kg of flue gas to the mass of carbon in 1 kg of fuel Mass of oxygen in 1 kg of fuel to the mass of oxygen in 1 kg of flue gas Mass of oxygen in 1 kg of flue gas to the mass of oxygen in 1 kg of fuel Mass of carbon in 1 kg of fuel to the mass of carbon in 1 kg of flue gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A cycle consisting of ___ and two isothermal processes is known as Stirling cycle. Two constant volume 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an irreversible process, there is a Gain of heat Loss of heat No gain of heat No loss of heat Gain of heat Loss of heat No gain of heat No loss of heat ANSWER DOWNLOAD EXAMIANS APP
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