Engineering Thermodynamics One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam. 7/4 11/4 11/7 9/7 7/4 11/4 11/7 9/7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is Cost will be very high Not possible Theoretically possible May be possible with lot of sophistications Cost will be very high Not possible Theoretically possible May be possible with lot of sophistications ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic process is one in which The change in internal energy is equal to the mechanical work done The temperature of the gas changes All of these No heat enters or leaves the gas The change in internal energy is equal to the mechanical work done The temperature of the gas changes All of these No heat enters or leaves the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat and mechanical energies are mutually convertible. This statement was established by None of these Charles Boyle Joule None of these Charles Boyle Joule ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant volume, the heat supplied None of these Both (A) and (B) Increases the internal energy of the gas and increases the temperature of the gas Does some external work during expansion None of these Both (A) and (B) Increases the internal energy of the gas and increases the temperature of the gas Does some external work during expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature. Remains constant Decreases None of these Increases Remains constant Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS