31) Which of the following gas has the highest calorific value ?
Related Thermal Engineering MCQ with Answers
Passing air and a large amount of steam over waste coal at about 650 degree Celsius
Otto cycle is also known as constant volume cycle, as the heat is received and rejected at a constant volume. Otto cycle is used in gas, petrol and many of the oil engines. Otto cycle is a thermodynamic cycle on which the petrol engine works.
The ideal Otto cycle consists of two constant volume and two reversible adiabatic or isentropic processes.
Otto cycle is taken as a standard of comparison for internal combustion engines. For the purpose of comparison with other cycles, the air is assumed to be the working substance.
Suction, compression, expansion and exhaust
The sequence order of events in a four stroke engine is