Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Positive Positive or negative Negative None of these Positive Positive or negative Negative None of these 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. Both (A) and (B) Change None of these Do not change Both (A) and (B) Change None of these Do not change ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Producer gas is obtained by Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonization of bituminous coal Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 650°C Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonization of bituminous coal Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 650°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is Cost will be very high Theoretically possible Not possible May be possible with lot of sophistications Cost will be very high Theoretically possible Not possible May be possible with lot of sophistications ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In closed cycle gas turbine, the air is compressed Isentropically Polytropically Isothermally None of these Isentropically Polytropically Isothermally None of these 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 1200 K 800 K 1400 K 1000 K 1200 K 800 K 1400 K 1000 K ANSWER DOWNLOAD EXAMIANS APP
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