Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) v1/v2 (v1 + v2)/v1 (v1 + v2)/v2 v2/v1 v1/v2 (v1 + v2)/v1 (v1 + v2)/v2 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits? O₂, N₂, H₂, air O₂, N₂, steam, CO₂ SO₂, NH₃, CO₂, moisture O₂, N₂, water vapour O₂, N₂, H₂, air O₂, N₂, steam, CO₂ SO₂, NH₃, CO₂, moisture O₂, N₂, water vapour ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a steady flow process, the ratio of Heat transfer is constant All of these Work transfer is constant Mass flow at inlet and outlet is same Heat transfer is constant All of these Work transfer is constant Mass flow at inlet and outlet is same ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The work ratio of a gas turbine plant is given by (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Work-done by the turbine) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Heat supplied) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Work-done by the turbine) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Heat supplied) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Superheated vapour behaves As ordinary vapour Approximately as a gas Exactly as gas As steam As ordinary vapour Approximately as a gas Exactly as gas As steam ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle. Less than Equal to Greater than None of these Less than Equal to Greater than None of these ANSWER DOWNLOAD EXAMIANS APP