A high temperature rise across a furnace heat exchanger may cause ...

[amal]

A high temperature rise across a furnace heat exchanger may cause _____.
 
  a. condensation in the vent
  b. higher flue gas temperatures
  c. carbon monoxide formation
  d. lower flue gas temperatures

Question 2

A requirement for an area in which a non-vented high-intensity infrared heater is to be installed is _____.
 
  a. the area must be well ventilated
  b. all ceilings must be at least 20' high
  c. no combustible material can be within 15' of the heater
  d. no vehicles can be parked under the heater

[aruss1303]

Answer to Question 1

b

Answer to Question 2

a

[amal]

Thanks for the timely response, appreciate it

[vickybb89]

Excellent