Why is it desirable to have a minimum water temperature entering the boiler?
A) To increase combustion efficiency B) To reduce the load on the boiler
C) To prevent downdrafts in the flue D) To prevent condensation in the flue
Question 2
What items should be checked when converting an indoor air handler from upflow configuration to horizontal configuration?
A) The blower must be removed and turned around.
B) The transformer and fan relay should be changed.
C) Drain pan, correct drain opening, and service access
D) The cabinet feet must be relocated from the bottom to the side.
Plant cells expand by taking up water into their vacuoles.
Temperature cycles for 24 hours
Advantages and disadvantages of select temperature measurement sites
Body Temperature Responses
Water-Soluble Vitamins for Treating Nutritional Disorders
Ocean water flows vertically and horizontally, influencing climate