HUMIDITY

#1. The ratio in % between the amount of water vapour present in air to the amount of water vapour that it can hold at the same temperature is

• AHumidity
• BRelative humidity
• CDew point

#2. The temperature to which air be cooled at constant pressure to become saturated, is called

• AWet bulb temperature
• BDry bulb temperature
• CDew point
• DHumidity

#3. Free air temperature, Wet bulb temperature and Dew point temperature are equal when

• AAir temperature is 0°C
• BRelative humidity is 100%
• CAir temperature is not below 0°C