Engineering Thermodynamics During which of the following process does heat rejection takes place in Carnot cycle? Isentropic compression Isothermal expansion Isentropic expansion Isothermal compression Isentropic compression Isothermal expansion Isentropic expansion Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source All of these It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source All of these It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes is irreversible process? Isothermal Adiabatic Throttling All of these Isothermal Adiabatic Throttling All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) T/P = constant, if v is kept constant P v = constant, if T is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant T/P = constant, if v is kept constant P v = constant, if T is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Isochoric process is one in which Very little mechanical work is done by the system All parameters remain constant Free expansion takes place No mechanical work is done by the system Very little mechanical work is done by the system All parameters remain constant Free expansion takes place No mechanical work is done by the system 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. Carbonization None of these Atomization Combustion Carbonization None of these Atomization Combustion ANSWER DOWNLOAD EXAMIANS APP
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