Engineering Thermodynamics Which of the following statement is correct according to Clausis statement of second law of thermodynamics? 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. 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 10 to 20 15 to 30 5 to 8 3 to 6 10 to 20 15 to 30 5 to 8 3 to 6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Bituminous coal Soft coal Pulverized coal Hard coal Bituminous coal Soft coal Pulverized coal Hard coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits? O₂, N₂, steam, CO₂ O₂, N₂, water vapour O₂, N₂, H₂, air SO₂, NH₃, CO₂, moisture O₂, N₂, steam, CO₂ O₂, N₂, water vapour O₂, N₂, H₂, air SO₂, NH₃, CO₂, moisture ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Reversed joule cycle is called Bell Coleman cycle Brayton cycle Carnot cycle Rankine cycle Bell Coleman cycle Brayton cycle Carnot cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as Entropy Enthalpy External energy Internal energy Entropy Enthalpy External energy Internal energy ANSWER DOWNLOAD EXAMIANS APP