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 v1/v2 (v1 + v2)/v1 v2/v1 (v1 + v2)/v2 v1/v2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For the same compression ratio, the efficiency of dual combustion cycle is Greater than Diesel cycle and less than Otto cycle Less than Diesel cycle and greater than Otto cycle Less than Diesel cycle Greater than Diesel cycle Greater than Diesel cycle and less than Otto cycle Less than Diesel cycle and greater than Otto cycle Less than Diesel cycle Greater than Diesel cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Temperature of a gas is produced due to Surface tension of molecules Its heating value Repulsion of molecules Kinetic energy of molecules Surface tension of molecules Its heating value Repulsion of molecules Kinetic energy of molecules ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as Atom Molecule Element Compound Atom Molecule Element Compound ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Its pressure will increase Its temperature will increase Both temperature and pressure will increase Neither temperature nor pressure will increase Its pressure will increase Its temperature will increase Both temperature and pressure will increase Neither temperature nor pressure will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then Sum of heat and work transfer will be zero Process is executed in closed system cycle Process is thermodynamically in equilibrium Its entropy will change due to irreversibility Sum of heat and work transfer will be zero Process is executed in closed system cycle Process is thermodynamically in equilibrium Its entropy will change due to irreversibility ANSWER DOWNLOAD EXAMIANS APP
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