A receptacle below a 4-way switch in the corner of a living room is required because the Code requires that a receptacle be installed in any wall space in. or more in width.

Arigid tank contains 10 kg of air at 137 kpa (abs) and 21°c. more air is added to the tank until the pressure and temperature rise to 242 kpa (abs) and 32°c, respectively. determine the amount of air added to the tank. [r-0.287 kj/kg k]