Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Maximum temperature is higher Heat rejection is lower Expansion and compression are isentropic Combustion is at constant volume Maximum temperature is higher Heat rejection is lower Expansion and compression are isentropic Combustion is at constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as Cracking Full distillation Fractional distillation Carbonization Cracking Full distillation Fractional distillation Carbonization ANSWER DOWNLOAD EXAMIANS APP
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 9/7 11/4 11/7 7/4 9/7 11/4 11/7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following statement is correct according to Clausis statement of second law of thermodynamics? It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. None of these It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. None of these It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a steady flow process, the ratio of Work transfer is constant Heat transfer is constant Mass flow at inlet and outlet is same All of these Work transfer is constant Heat transfer is constant Mass flow at inlet and outlet is same All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called Free expansion Parabolic expansion Adiabatic expansion Hyperbolic expansion Free expansion Parabolic expansion Adiabatic expansion Hyperbolic expansion ANSWER DOWNLOAD EXAMIANS APP
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