Engineering Thermodynamics The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio) 1 - (1/r) γ - 1/ γ 1 - (1/r) γ/γ - 1 1 - rγ - 1 rγ - 1 1 - (1/r) γ - 1/ γ 1 - (1/r) γ/γ - 1 1 - rγ - 1 rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The door of a running refrigerator inside a room was left open. Which of the following statements is correct? The temperature of the air in room will remain unaffected The room will be cooled very slightly The room will be gradually warmed up The room will be cooled to the temperature inside the refrigerator The temperature of the air in room will remain unaffected The room will be cooled very slightly The room will be gradually warmed up The room will be cooled to the temperature inside the refrigerator ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure will be At the temperature of - 273 K When molecular momentum of the system becomes zero At the center of the earth At sea level At the temperature of - 273 K When molecular momentum of the system becomes zero At the center of the earth At sea level ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Diesel cycle consists of __________ processes. Two constant pressure and two isentropic One constant pressure, one constant volume and two isentropic Two constant volume and two isothermal Two constant volume and two isentropic Two constant pressure and two isentropic One constant pressure, one constant volume and two isentropic Two constant volume and two isothermal Two constant volume and two isentropic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football Becomes hotter Remains at the same temperature May become hotter or cooler depending upon the humidity of the surrounding air Becomes cooler Becomes hotter Remains at the same temperature May become hotter or cooler depending upon the humidity of the surrounding air Becomes cooler ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS