Engineering Thermodynamics An adiabatic wall is one which Encourages thermal interaction Prevents thermal interaction Permits thermal interaction Discourages thermal interaction Encourages thermal interaction Prevents thermal interaction Permits thermal interaction Discourages thermal interaction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition of perfect vacuum, i.e., absolute zero pressure can be attained at A temperature of 273 °K A negative pressure and 0°C temperature A temperature of 0°C A temperature of - 273.16°C A temperature of 273 °K A negative pressure and 0°C temperature A temperature of 0°C A temperature of - 273.16°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A heat exchange process in which the product of pressure and volume remains constant is known as Isentropic process Hyperbolic process Heat exchange process Throttling process Isentropic process Hyperbolic process Heat exchange process Throttling process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When coal is first dried and then crushed to a fine powder by pulverizing machine, the resulting fuel is called Bituminous coal Wood charcoal None of these Briquetted coal Bituminous coal Wood charcoal None of these Briquetted coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A perpetual motion machine is A non-thermodynamic machine A thermodynamic machine A hypothetical machine A hypothetical machine whose operation would violate the laws of thermodynamics A non-thermodynamic machine A thermodynamic machine A hypothetical machine A hypothetical machine whose operation would violate the laws of thermodynamics ANSWER DOWNLOAD EXAMIANS APP