When the fuel oil tank is located below the burner, a __________-pipe system is necessary.

A. 1
B. 2
C. 3
D. 4


Answer: B

Trades & Technology

You might also like to view...

How many 4 13/16” long pieces can be cut from a 36” long piece of angle iron?

What will be an ideal response?

Trades & Technology

Describe the three most important plant minerals

What will be an ideal response?

Trades & Technology

A ring counter is a shift register that

A) shifts until all flip-flops are LOW. B) recirculates one HIGH bit continuously through each flip-flop. C) shifts until all flip-flops are HIGH. D) connects each flip-flop output to the shift register input.

Trades & Technology

Thermostat has some small switches in the back that are called ____________________ switches that allow the technician to set this thermostat up for the particular piece of equipment that it is controlling.

Fill in the blank(s) with the appropriate word(s).

Trades & Technology