Engineering Thermodynamics The polytropic index (n) is given by 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) log (p2/ p1)/log (v1/ v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is All of these 1013 × 102 N/m2 1.013 bar 760 mm of Hg All of these 1013 × 102 N/m2 1.013 bar 760 mm of Hg ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Coke is produced From the finely ground coal by moulding under pressure with or without a binding material By heating wood with a limited supply of air to a temperature not less than 280°C When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel When coal is first dried and then crushed to a fine powder by pulverizing machine From the finely ground coal by moulding under pressure with or without a binding material By heating wood with a limited supply of air to a temperature not less than 280°C When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel When coal is first dried and then crushed to a fine powder by pulverizing machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of energy in S.I. units is joule/s joule/m Joule watt joule/s joule/m Joule watt ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Reversed Joule cycle is known as Stirling cycle Bell-Coleman cycle Carnot cycle Rankine cycle Stirling cycle Bell-Coleman cycle Carnot cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a free expansion process Both (A) and (B) above Work done is zero but heat increases Work done is zero Heat transfer is zero Both (A) and (B) above Work done is zero but heat increases Work done is zero Heat transfer is zero ANSWER DOWNLOAD EXAMIANS APP
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