Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Soft coal Hard coal Bituminous coal Pulverized coal Soft coal Hard coal Bituminous coal Pulverized coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a free expansion process Both (A) and (B) above Heat transfer is zero Work done is zero but heat increases Work done is zero Both (A) and (B) above Heat transfer is zero Work done is zero but heat increases Work done is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be Zero Maximum Infinity Minimum Zero Maximum Infinity Minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by Gay-Lussac Clausis Kelvin Joule Gay-Lussac Clausis Kelvin Joule ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A gas is compressed in a cylinder by a movable piston to a volume one half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be 3000 Nm 30 Nm 300,000 Nm 300 Nm 3000 Nm 30 Nm 300,000 Nm 300 Nm ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS