Engineering Thermodynamics A closed system is one in which Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A heat exchange process in which the product of pressure and volume remains constant is known as Isentropic process Hyperbolic process Throttling process Heat exchange process Isentropic process Hyperbolic process Throttling process Heat exchange process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel. None of these Combustion Atomization Carbonization None of these Combustion Atomization Carbonization 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 Kelvin Clausis Joule Gay-Lussac Kelvin Clausis Joule Gay-Lussac ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle has maximum efficiency for Petrol engine Reversible engine Irreversible engine Diesel engine Petrol engine Reversible engine Irreversible engine Diesel engine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Coke is produced 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 From the finely ground coal by moulding under pressure with or without a binding material ANSWER DOWNLOAD EXAMIANS APP