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)/v2 v1/v2 v2/v1 (v1 + v2)/v1 (v1 + v2)/v2 v1/v2 v2/v1 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Extensive property of a system is one whose value Does not depend on the mass of the system, like temperature, pressure, etc. Depends on the mass of the system like volume Is not dependent on the path followed but on the state Is dependent on the path followed and not on the state Does not depend on the mass of the system, like temperature, pressure, etc. Depends on the mass of the system like volume Is not dependent on the path followed but on the state Is dependent on the path followed and not on the state ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as Diesel cycle Dual combustion cycle Atkinson cycle Rankine cycle Diesel cycle Dual combustion cycle Atkinson cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics On volume basis, air contains following parts of oxygen 23 21 77 25 23 21 77 25 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 1000 K 800 K 1200 K 1400 K 1000 K 800 K 1200 K 1400 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as Reversible cycle None of these Irreversible cycle Thermodynamic cycle Reversible cycle None of these Irreversible cycle Thermodynamic cycle ANSWER DOWNLOAD EXAMIANS APP