How does the induced draft blower improve furnace efficiency of a natural draft furnace?
A) the combustion gasses can be introduced into the duct system, raising the supply air temperature
B) combustion gasses do not have to be as hot to correctly vent
C) the induced draft motor uses less current than the natural draft motor
D) the induced draft blower makes it possible for furnaces to use larger, more open heat exchangers
Question 2
Seal face distortion can cause _____.
a. misalignment
b. excessive leakage
c. pitting
d. blistering
Dentition, as illustrated in Knight's Sketches in Natural History
Exercises and Activities That Can Improve Cardiorespiratory Fitness
Selected Natural Products
Natural defenses against stomach acid.
Structural similarities between antimetabolites and their natural counterparts.
The cascade of events by which the stroke-induced release of glutamate kills neurons.