Question

A boiler with more than 500 square feet of heating surface must have:

a) one safety valve
b) two or more safety valves
c) three safety valves
d) four safety valves

Answer 1

A boiler with more than 500 square feet of heating surface must have two or more safety valves.

Step-by-step explanation:

In the context of boilers, safety valves are devices used to release excess pressure to prevent explosions or damage. The number of safety valves required for a boiler depends on its heating surface area. According to the given information, a boiler with more than 500 square feet of heating surface must have two or more safety valves to ensure safe operation.