Engineering Thermodynamics The entropy of water at 0°C is assumed to be 1 2 -1 1 2 -1 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 + rγ - 1 1 + (1/ rγ - 1) 1 - (1/ rγ - 1) 1 - rγ - 1 1 + rγ - 1 1 + (1/ rγ - 1) 1 - (1/ rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for Diesel engines is 3 to 6 15 to 20 5 to 8 20 to 30 3 to 6 15 to 20 5 to 8 20 to 30 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied When heat is being absorbed, temperature of hot source and working substance should be same All of these When beat is being rejected, temperature of cold source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered When heat is being absorbed, temperature of hot source and working substance should be same All of these When beat is being rejected, temperature of cold source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A molecule consisting of one atom is known as Mono-atomic Tri-atomic Di-atomic Poly-atomic Mono-atomic Tri-atomic Di-atomic Poly-atomic ANSWER DOWNLOAD EXAMIANS APP
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