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 According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible. Third kind None of these Second kind First kind Third kind None of these Second kind First kind ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of gas constant (R) in S. I. units is 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 0.287 J/kgK ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Molecular volume of any perfect gas at 600 × 103 N/m² and 27°C will be 0.15 m3/kg mol 41.7 m3/kg mol 4.17 m3/kg mol 400 m3/kg mol 0.15 m3/kg mol 41.7 m3/kg mol 4.17 m3/kg mol 400 m3/kg mol ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Coke is produced By heating wood with a limited supply of air to a temperature not less than 280°C When coal is first dried and then crushed to a fine powder by pulverizing machine When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel From the finely ground coal by moulding under pressure with or without a binding material By heating wood with a limited supply of air to a temperature not less than 280°C When coal is first dried and then crushed to a fine powder by pulverizing machine When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel From the finely ground coal by moulding under pressure with or without a binding material ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Isochoric process is one in which All parameters remain constant Free expansion takes place No mechanical work is done by the system Very little mechanical work is done by the system All parameters remain constant Free expansion takes place No mechanical work is done by the system Very little mechanical work is done by the system ANSWER DOWNLOAD EXAMIANS APP