Engineering Thermodynamics During throttling process All of these No work is done by expanding steam There is no change of internal energy of steam Heat exchange does not take place All of these No work is done by expanding steam There is no change of internal energy of steam Heat exchange does not take place ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 900° to 1100°C 700° to 900°C 500° to 700°C 300° to 500°C 900° to 1100°C 700° to 900°C 500° to 700°C 300° to 500°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Its temperature will increase Its pressure will increase Both temperature and pressure will increase Neither temperature nor pressure will increase Its temperature will increase Its pressure will increase Both temperature and pressure will increase Neither temperature nor pressure will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Isochoric process is one in which Free expansion takes place Very little mechanical work is done by the system All parameters remain constant No mechanical work is done by the system Free expansion takes place Very little mechanical work is done by the system All parameters remain constant No mechanical work is done by the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A diathermic wall is one which Encourages thermal interaction Permits thermal interaction Prevents thermal interaction Discourages thermal interaction Encourages thermal interaction Permits thermal interaction Prevents thermal interaction Discourages thermal interaction ANSWER DOWNLOAD EXAMIANS APP