Engineering Thermodynamics The compression ratio for Diesel engines is 5 to 8 3 to 6 20 to 30 15 to 20 5 to 8 3 to 6 20 to 30 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle depends upon Pressure ratio Cut-off ratio and compression ratio Temperature limits Volume compression ratio Pressure ratio Cut-off ratio and compression ratio Temperature limits Volume compression ratio ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition of perfect vacuum, i.e., absolute zero pressure can be attained at A temperature of - 273.16°C A negative pressure and 0°C temperature A temperature of 0°C A temperature of 273 °K A temperature of - 273.16°C A negative pressure and 0°C temperature A temperature of 0°C A temperature of 273 °K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following has the minimum atomic mass? Oxygen Sulphur Carbon Nitrogen Oxygen Sulphur Carbon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Increases the internal energy of the gas Increases the temperature of the gas Does some external work during expansion Both (B) and (C) Increases the internal energy of the gas Increases the temperature of the gas Does some external work during expansion Both (B) and (C) ANSWER DOWNLOAD EXAMIANS APP