Author Question: Most hot water boilers heat the water up to temperatures of: A) 200F to 250F. B) 100F to 150F. C) ... (Read 105 times)

vicotolentino · **on:** Jul 24, 2018

Most hot water boilers heat the water up to temperatures of:

A) 200F to 250F. B) 100F to 150F. C) 180F to 200F. D) 280F to 300F.

Question 2

What is the purpose of using an outdoor ambient thermostat on a heat pump installation?

A) To cycle the heat pump based on the outside temperature instead of the inside temperature
B) To prevent the heat pump from operating in heat unless it is cold outside
C) To bring the heat pump on early if the temperature drops
D) To prevent the auxiliary heat from operating above the system balance point