Oil heat - Study guides, Class notes & Summaries

HVAC: EPA 608 Certification Study Guide Questions and Answers | Latest Version | 2024/2025 | Rated A+ Are there alternative refrigerants that can be directly used in systems originally designed for R- 12? Why or why not? No, because these new refrigerants are not compatible with the lubricants and oils used in R- 12 systems. Explanation: The oils and lubricants in R-12 systems cannot properly interact with newer refrigerants, making direct replacements unfeasible. What type of o...

NORA Oil Heat Exam Review Questions 100% Solved What is the final adjustment you make when tuning up an oil burner? A)Draft B) Change Nozzle C)Oil Pressure D)Combustion Air D)Combustion Air What is the effect of having a dirty burner squirrel cage fan? A)Water Hammer B)Incomplete combustion C)Low Co2 D)Blocked Chimney B)Incomplete Combustion New burners produce "high static pressure" A)Produce more spark B)Push flue gases through tighter boilers C) Get better atomization...

Oil Heat Exam Questions With 100% Correct Answers 2024

MN Boiler License Questions With Complete Solutions Graded A+ a question an answer what are the conditions necessary for good combustion? a) low sulfur content b) Thermal, thermocoupler, tubular c) turbulence, temperature, time 3T's c) turbulence, temperature, time 3T's why is secondary air necessary in hand fired boilers? a) Necessary to burn the combustible gases b) if primary air should fail c) used only if sulfur content is high a) Necessary to burn the combustible gases whe...

How are reciprocating engines classified? - ANSWER-1) Cylinder Arrangement w/ respect to crankshaft (in-line, V-type, radial and opposed) 2) Method of cooling (liquid cooled, or air cooled) what are the different types of piston rings - ANSWER-compression rings, oil control rings and scraper rings what are the main causes of a cylinder having low compression - ANSWER-broken piston rings, rings that are not seated properly, burnt valves and poorly seating valves what is the purpose of...

Massachusetts Oil burner Practice Exam Questions and Answers 100% Pass The cross connection between two supply tanks shall not exceed? - Correct Answer ️️ -660 gallons When is an automatic draft control not required? - Correct Answer ️️ -When the equipment is designed to control the draft. Combustion performance testing can indicate: - Correct Answer ️️ -Improper air oil mixture, too much combustion air, and low pump pressure. If a second oil-burning appliance is installed in...

According to NFPA31-2001, what is the minimum size of the vent pipe on an oil storage tank correct answers1 1/4 inch Nozzles are available with three different spray patterns: correct answersSolid, semi-hollow, hollow What type of motor is used on a residential high pressure oil burner correct answersSplit phase The most common motor speeds used in amerian made burners are correct answers1725 and 3250 rpm If an oil has a high viscosity correct answersIt is a thicker oil A service ...

Oil Heat Unit 32 Questions with 100% Correct Answers | Latest Version 2024 | Expert Verified | Ace the Test

NORA Oil Heat Exam Review Questions with complete solutions

Test Bank For Modern Refrigeration and Air Conditioning 21st Edition By Andrew D. Althouse, Carl H. Turnquist, Alfred F. Bracciano, Daniel C. Bracciano, Gloria M. Bracciano 8776, 1 . 6044, 1 1 - Careers and Certification 2 - Safety 3 - Service Calls 4 - Energy and Matter 5 - Gases 6 - Basic Refrigeration Systems 7 - Tools and Supplies 8 - Working with Tubing and Piping 9 - Introduction to Refrigerants 10 - Equipment and Instruments for Refrigerant Handling and Servi...