Engineering Thermodynamics When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency 43834 2 43835 Zero 43834 2 43835 Zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All the processes, taking place in the cycle of operation, must be extremely slow All of these The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All the processes, taking place in the cycle of operation, must be extremely slow All of these The working parts of the engine must be friction free ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Mixture of ice and water form a Closed system Isolated system Heterogeneous system Open system Closed system Isolated system Heterogeneous system Open system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes cooler Becomes hotter May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes cooler Becomes hotter ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio) rγ - 1 1 - (1/r) γ/γ - 1 1 - (1/r) γ - 1/ γ 1 - rγ - 1 rγ - 1 1 - (1/r) γ/γ - 1 1 - (1/r) γ - 1/ γ 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as Thermodynamic law Thermodynamic cycle None of the listed here Thermodynamic process Thermodynamic law Thermodynamic cycle None of the listed here Thermodynamic process ANSWER DOWNLOAD EXAMIANS APP