Pan type humidifiers with plates
a) consist of rotating plates in a pan partially filled with water
b) are placed in individual rooms to humidify the individual rooms
c) consist of a shallow pan, partially filled with water in which absorbent plates are placed and the pan is installed in the supply plenum of smaller warm air furnaces
d) consist of plates in a pan through which water is sprayed by a spinning disc or cone
e) can be a power type or a bypass type
Answer: C