Oil Furnace Heating Practice Tests with Complete Questions and Answers 100% Accurate

Oil Furnace Heating Practice

Tests with Complete Questions

and Answers 100% Accurate


1. Question 1 points

Fuel Pump fail to prime when Suction inlet vacuum is greater than _______ of

vacuum




20 inches

30 inches

15 inches

25 inches - ANSWER-15 inches




Which of the following is used to ignite the fuel oil in the heating system:




Step down transformer

Step up transformer - ANSWER-Step up transformer

, Air enters the heating system in following order:




from combustion chamber, to turbulator, to draft tube




from draft tube, to turbulator, to combustion chamber




A _______ stack thermometer is generally used to measure the flue gas

temperature in oil heating system:




200/2000°F

100/1000°F

200/1000°F

100/2000°F - ANSWER-200/1000°F




Delayed ignition is mainly traced to a problem with which of the following:




Stoker

Electrodes