Engineering Thermodynamics The unit of energy is S. I. units is Joule/meter (J/m) Watt (W) Joule meter (Jm) Joule (J) Joule/meter (J/m) Watt (W) Joule meter (Jm) Joule (J) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The following cycle is used for air craft refrigeration Brayton cycle Joule cycle Reversed Brayton cycle Carnot cycle Brayton cycle Joule cycle Reversed Brayton cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Isochoric process is one in which No mechanical work is done by the system Very little mechanical work is done by the system Free expansion takes place All parameters remain constant No mechanical work is done by the system Very little mechanical work is done by the system Free expansion takes place All parameters remain constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat and work are mutually convertible. This statement is called ___ law of thermodynamics. First Third Zeroth Second First Third Zeroth Second ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A diathermic wall is one which Discourages thermal interaction Permits thermal interaction Encourages thermal interaction Prevents thermal interaction Discourages thermal interaction Permits thermal interaction Encourages thermal interaction Prevents thermal interaction ANSWER DOWNLOAD EXAMIANS APP
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 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 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 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 ANSWER DOWNLOAD EXAMIANS APP