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)/v1 v1/v2 v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A molecule consisting of one atom is known as Di-atomic Tri-atomic Poly-atomic Mono-atomic Di-atomic Tri-atomic Poly-atomic Mono-atomic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle with decrease in cut-off First decreases and then increases Decreases Increases First increases and then decreases First decreases and then increases Decreases Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro's law, for a given pressure and temperature, each molecule of a gas Occupies volume inversely proportional to its specific weight Occupies same volume Occupies volume inversely proportional to its molecular weight Occupies volume proportional to its specific weight Occupies volume inversely proportional to its specific weight Occupies same volume Occupies volume inversely proportional to its molecular weight Occupies volume proportional to its specific weight ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a free expansion process Work done is zero but heat increases Heat transfer is zero Work done is zero Both (A) and (B) above Work done is zero but heat increases Heat transfer is zero Work done is zero Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Producer gas is obtained by 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 Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonization of bituminous coal Passing steam over incandescent coke ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS