The cad cell in an oil furnace performs the same function as which device in a gas furnace?
a. Temperature limit switch
b. Flame detector
c. Hot surface igniter
d. Flame rollout switch
b. Flame detector
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Electrical nonmetallic tubing installed in club rooms of assembly occupancies must be concealed in walls, floors, and ceilings that provide a thermal barrier of material with a finish rating of at least _____.
a. 15 minutes b. 20 minutes c. 30 minutes d. 60 minutes
What two major categories can commercial vegetable production be divided into?
What will be an ideal response?
Which of the following is not a sign of a distracted driver
Cdl
If two north magnetic poles are brought close to each other, ________
A) a force of attraction pulls them together B) a current is induced C) a force of repulsion pushes them apart D) an electromagnet is created