At steady state, moist air at 42C, 1 atm, 30% relative humidity is mixed adiabatically with a second moist air stream entering at 1 atm. The mass flow rates of the two streams are the same. A single mixed stream exits at 29C, 1 atm, 40% relative humidity with a mass flow rate of 2kg/s. Kinetic and potential energy effects are negligible. For the second entering moist air stream, determine, using data from the psychometric chart,
a) the relative humidity
b) the temperature in C