Technician A states that once the thermostat has been removed, one should clean any old gasket material and corrosion that has built up on both sealing surfaces where the thermostat seats. Technician B states that it is fine to let a faulty thermostat run till it completely breaks down. Who is correct

An air conditioning system consist of a 5 cm diameter pipe, operating at a pressure of 200 kpa. the air initially enters the pipe at 15°c with a velocity of 20 m/s and relative humidity of 80%. if the heat supply throughout the process is 960 w, determine the relative humidity and the temperature at the outlet

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.

The drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false