Q. Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled

• (A) And humidified
• (B) And dehumidified with increase in wet bulb temperature
• (C) At the same relative humidity
• (D) And dehumidified with decrease in wet bulb temperature