Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Diesel cycle consists of following four processes Two isentropic and two constant pressures Two isentropic, one constant volume and one constant pressure Two isothermal and two isentropic Two isentropic and two constant volumes Two isentropic and two constant pressures Two isentropic, one constant volume and one constant pressure Two isothermal and two isentropic Two isentropic and two constant volumes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is All of these 1.013 bar 1013 × 102 N/m2 760 mm of Hg All of these 1.013 bar 1013 × 102 N/m2 760 mm of Hg ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One molecule of oxygen consists of __________ atoms of oxygen. 4 2 16 8 4 2 16 8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of carbon produces ___ kg of carbon dioxide. 4/11 3/7 11/3 11/7 4/11 3/7 11/3 11/7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The fuel mostly used in cement industry and in metallurgical processes is Bituminous coke Pulverized coal Coke Wood charcoal Bituminous coke Pulverized coal Coke Wood charcoal ANSWER DOWNLOAD EXAMIANS APP