1. when inspecting a heating system, you should always a. try to operate the system regardless of the conditions. b. open readily accessible access panels. c. operate the automatic safety controls. d. ignite solid-fuel pilots.

Option C, operate the automatic safety controls

Explanation:

A heat system must be inspected for the following automatic safety features -

A) automatic fire-extinguishing system - a system  that automatically detects a fire and discharges something to stop it

B) Automatic sprinkler system - A sprinkler system for fire-protection purposes

c) humidistat - to automatically control relative humidity

d) Automatic panel board

e) thermostat to  automatically  maintain temperature

f) an automatic water pump  for removal of waste water

Hence, the automatic systems must be verified at  the time of inspection for ensuring safety at the time of crisis.

Hence, option C is correct