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 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an ideal gas turbine plant, it is assumed that the compression and expansion processes are Polytropic None of these Isothermal Isentropic Polytropic None of these Isothermal Isentropic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. Change None of these Both (A) and (B) Do not change Change None of these Both (A) and (B) Do not change ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When wood is heated with a limited supply of air to a temperature not less than 280°C, the resulting fuel is Bituminous coal Coke Briquetted coal Wood charcoal Bituminous coal Coke Briquetted coal Wood charcoal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is 29.27 J/kmol °K 83.14 J/kmol °K 848 J/kmol °K 735 J/kmol °K 29.27 J/kmol °K 83.14 J/kmol °K 848 J/kmol °K 735 J/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be 40°C 80°C 0°C 20°C 40°C 80°C 0°C 20°C ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS