Engineering Thermodynamics Otto cycle consists of following four processes Two isentropic, one constant volume and one constant pressure Two isentropic and two constant volumes Two isothermal and two isentropic Two isentropic and two constant pressures Two isentropic, one constant volume and one constant pressure Two isentropic and two constant volumes Two isothermal and two isentropic Two isentropic and two constant pressures ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football Becomes hotter Becomes cooler Remains at the same temperature May become hotter or cooler depending upon the humidity of the surrounding air Becomes hotter Becomes cooler Remains at the same temperature May become hotter or cooler depending upon the humidity of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Increase lower temperature Decrease higher temperature Decrease lower temperature Increase higher temperature Increase lower temperature Decrease higher temperature Decrease lower temperature Increase higher temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a gas turbine is given by (Net work output)/(Work-done by the turbine) (Actual temperature drop)/(Isentropic temperature drop) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Heat supplied) (Net work output)/(Work-done by the turbine) (Actual temperature drop)/(Isentropic temperature drop) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Heat supplied) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, Work-done by a system is equal to the heat transferred by the system Total energy of a system remains constant Total internal energy of a system during a process remains constant Internal energy, enthalpy and entropy during a process remain constant Work-done by a system is equal to the heat transferred by the system Total energy of a system remains constant Total internal energy of a system during a process remains constant Internal energy, enthalpy and entropy during a process remain constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam. 11/7 11/4 9/7 7/4 11/7 11/4 9/7 7/4 ANSWER DOWNLOAD EXAMIANS APP
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