Engineering Thermodynamics Which of the following is the correct statement? 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. All the reversible engines have the same efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of one bar (in S. I. units) is equal to 1 × 104 N/m2 1 × 103 N/m2 1 × 102 N/m2 1 × 105 N/m2 1 × 104 N/m2 1 × 103 N/m2 1 × 102 N/m2 1 × 105 N/m2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following process can be made reversible with the help of a regenerator? Constant pvn process All of these Constant pressure process Constant volume process Constant pvn process All of these Constant pressure process Constant volume process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following quantities is not the property of the system? Heat Specific volume Temperature Pressure Heat Specific volume Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called Gay-Lussac law Boyle's law Joule's law Charles' law Gay-Lussac law Boyle's law Joule's law Charles' law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Absolute zero pressure will occur At sea level Under vacuum conditions When molecular momentum of the system becomes zero At a temperature of 273°K At sea level Under vacuum conditions When molecular momentum of the system becomes zero At a temperature of 273°K ANSWER DOWNLOAD EXAMIANS APP
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