Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

Oil Furnace Heating Practice Tests Questions and Answers Already Passed, Exams of Oil Engineering

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 ✔✔15 inches Which of the following is used to ignite the fuel oil in the heating system: Step down transformer Step up transformer ✔✔Step up transformer Air enters the heating system in following order: from combustion chamber, to turbulator, to draft tube

Typology: Exams

2024/2025

Available from 03/20/2025

WINGS_TO-FLY
WINGS_TO-FLY 🇺🇸

1

(1)

1.1K documents

1 / 6

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Oil Furnace Heating Practice Tests
Questions and Answers Already Passed
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 ✔✔15 inches
Which of the following is used to ignite the fuel oil in the heating system:
Step down transformer
Step up transformer ✔✔Step up transformer
Air enters the heating system in following order:
from combustion chamber, to turbulator, to draft tube
pf3
pf4
pf5

Partial preview of the text

Download Oil Furnace Heating Practice Tests Questions and Answers Already Passed and more Exams Oil Engineering in PDF only on Docsity!

Questions and Answers Already PassedOil Furnace Heating Practice Tests

  1. Question 1 pointsFuel Pump fail to prime when Suction inlet vacuum is greater than _______ of vacuum

20 inches 30 inches 15 inches 25 inches ✔✔15 inches

Which of the following is used to ignite the fuel oil in the heating system: Step down transformer Step up transformer ✔✔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

combustion chamberfrom turbulator, to turbulator, to combustion chamber^ ✔✔from draft tube, to turbulator, to Malfunctions in the heating system cause primary safety control to _______ electrical resistanceacross the cell until the burner is automatically shut off.

reduce increase ✔✔increase

A ______ carbon dioxide content is usually caused by insufficient draft or an overfired burner low high ✔✔high

A _______ stack thermometer is generally used to measure the flue gas temperature in oilheating system:

Rotary burners operate with high-pressure gravity False True ✔✔False

Which of the following oil burner has relatively high operating cost vaporizing oil burner pot-type oil burner Gun type oil burner ✔✔Gun type oil burner

If the oil tank is located above the burner, and the oil is supplied by gravity flow, the vacuumgauge must show a reading of _______:

zero positive value negative value ✔✔zero

In two stage oil pump the _______ stage draws completely air-free oil: both first and secondsecond first ✔✔second

The spray angle of oil from burner nozzle will generally range from ______: 60° to 90°.30° to 90° 45° to 90° 70° to 90° ✔✔30° to 90°

Fuel pump is located on the left side of the oil burner True False ✔✔True