Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 700° to 900°C 500° to 700°C 900° to 1100°C 300° to 500°C 700° to 900°C 500° to 700°C 900° to 1100°C 300° to 500°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Isochoric process is one in which Free expansion takes place All parameters remain constant No mechanical work is done by the system Very little mechanical work is done by the system Free expansion takes place All parameters remain constant No mechanical work is done by the system Very little mechanical work is done by the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in enthalpy of a system is the heat supplied at Constant temperature Constant pressure Constant entropy Constant volume Constant temperature Constant pressure Constant entropy Constant volume 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 + (1/ rγ - 1) 1 + rγ - 1 1 - rγ - 1 1 - (1/ rγ - 1) 1 + (1/ rγ - 1) 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Stirling and Ericsson cycles are Quasi-static cycles Irreversible cycles Reversible cycles Semi-reversible cycles Quasi-static cycles Irreversible cycles Reversible cycles Semi-reversible cycles ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to which law, all perfect gases change in volume by 1/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant Boyle's law Gay Lussac’s law Charles' law Joule's law Boyle's law Gay Lussac’s law Charles' law Joule's law ANSWER DOWNLOAD EXAMIANS APP
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