Where should signs be placed for vehicles approaching a TTC zone? O A. On the right hand side of the road
O B. On the left hand side of the road
O C. Whichever side is away from the work being performed
O D. Whichever side is the same side as the work being performed

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