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 v2/v1 v1/v2 (v1 + v2)/v1 (v1 + v2)/v2 v2/v1 v1/v2 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas. Three-forth Two-third One-half One-third Three-forth Two-third One-half One-third ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics Provides relationship between heat, work and internal energy All of these Does not enable to determine change in entropy Enables to determine change in internal energy of the system Provides relationship between heat, work and internal energy All of these Does not enable to determine change in entropy Enables to determine change in internal energy of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of gas constant (R) in S. I. units is 0.287 J/kgK 287 J/kgK 2.87 J/kgK 28.7 J/kgK 0.287 J/kgK 287 J/kgK 2.87 J/kgK 28.7 J/kgK ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One Joule (J) is equal to 1 kN-m 10 N-m/s 1 N-m 10 kN-m/s 1 kN-m 10 N-m/s 1 N-m 10 kN-m/s ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is All of these 1013 × 102 N/m2 1.013 bar 760 mm of Hg All of these 1013 × 102 N/m2 1.013 bar 760 mm of Hg ANSWER DOWNLOAD EXAMIANS APP
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