Engineering Thermodynamics The polytropic index (n) is given by 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) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law for the expansion or compression of gases, is pvn = C pvγ = C pv = C pv = m R T pvn = C pvγ = C pv = C pv = m R T ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics On weight basis, air contains following parts of oxygen 21 25 73 23 21 25 73 23 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When coal is first dried and then crushed to a fine powder by pulverizing machine, the resulting fuel is called Wood charcoal Bituminous coal None of these Briquetted coal Wood charcoal Bituminous coal None of these Briquetted coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called Joule's law Charles' law Boyle's law Gay-Lussac law Joule's law Charles' law Boyle's law Gay-Lussac law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle depends upon Compression ratio Cut-off ratio and compression ratio Temperature limits Pressure ratio Compression ratio Cut-off ratio and compression ratio Temperature limits Pressure ratio ANSWER DOWNLOAD EXAMIANS APP