Engineering Thermodynamics In a free expansion process Work done is zero Work done is zero but heat increases Both (A) and (B) above Heat transfer is zero Work done is zero Work done is zero but heat increases Both (A) and (B) above Heat transfer is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible. Second kind Third kind First kind None of these Second kind Third kind First kind None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - rγ - 1 1 + (1/ rγ - 1) 1 + rγ - 1 1 - (1/ rγ - 1) 1 - rγ - 1 1 + (1/ rγ - 1) 1 + rγ - 1 1 - (1/ rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Addition of heat at constant pressure to a gas results in Raising its temperature and doing external work Raising its temperature Raising its pressure Raising its volume Raising its temperature and doing external work Raising its temperature Raising its pressure Raising its volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of one bar (in S. I. units) is equal to 1 × 103 N/m2 1 × 104 N/m2 1 × 105 N/m2 1 × 102 N/m2 1 × 103 N/m2 1 × 104 N/m2 1 × 105 N/m2 1 × 102 N/m2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is 4.086 0.086 1.086 1.086 4.086 0.086 1.086 1.086 ANSWER DOWNLOAD EXAMIANS APP