National Oilheat Research Alliance (NORA) Bronze Certification Practice Exam

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• Why has it become more difficult to get enough air to the burner in modern homes?
• What should be done to keep burner air handling parts clean?
• Why is understanding fueling techniques crucial for oilheat technicians?
• What is one goal of the NORA research projects related to oilheat?
• How should oil heating systems be wired?
• What is a core topic included in NORA’s Bronze Certification curriculum?
• What is the term for an ignition system that is energized only until flame is established?
• What should technicians understand about the combustion process in oilheat systems?
• What feature of oilheat systems contributes to their efficiency?
• In addition to technical skills, what other knowledge is beneficial for NORA certification?
• To calculate the combustion efficiency, what two factors must be known?
• One advantage of high static pressure burners is that they?
• Who is the primary target audience for NORA's educational programs?
• Increasing the amount of excess air in a heating system will result in what effect on efficiency?
• What maintenance practices are crucial for oilheat systems?
• What happens when combustion gases become too cold?
• The primary control must be capable of responding to which condition?
• What is the key final adjustment for most oil burners?
• To mitigate combustion problems caused by cold oil, you should?
• What is included in an electrical circuit for an oil burner?
• At what voltage does air become a good conductor?
• A thermostat that closes on temperature fall and has a single pole single throw switch is known as?
• What technology is used for cleaner shutdowns in oil burners?
• What is the primary function of fuel units (oil pumps)?
• What is a requirement for a proper combustion chamber?
• Once a PCS motor starts, what remains in the circuit?
• What does NORA identify as a major advantage of modern oilheat systems?
• What is the result of increasing the fuel pump pressure?
• The pour point of #2 oil refers to?
• What can cause nozzle after-drip?
• What causes incomplete combustion and carbon monoxide generation?
• How many tests is the fluid in a CO2 tester good for?
• What type of training does NORA offer for technicians?
• What effect does increasing the air input to clean up the fire have?
• How can you ensure that clean, uncontaminated fuel reaches the oil burner?
• Which of the following indicates a possible issue in the oil delivery system?
• If the oil level in the tank is 4' below the fuel unit and 10' away, what is the approximate vacuum?
• Which skill is essential for NORA certification candidates regarding oilheat systems?
• What does the fan and limit control on a warm air furnace manage?
• What creates thermal draft in a chimney?
• Which skill is vital for technicians in the oilheat industry according to NORA?
• What is a primary focus of NORA's training initiatives?
• When can too much draft over the fire occur in a combustion system?
• A CO2 reading of 7% at the breech and 10% over the fire indicates what issue?
• What is a key characteristic of a series circuit?
• The proper operation of a hot water heating system is crucial for?
• Before using an electronic analyzer, what is a necessary step?
• What key concept in oilheat does NORA focus on regarding consumer safety?
• The function of the switching relay in a burner circuit is to?
• When installing an oil tank, what installation requirement is essential?
• What happens to CO2 levels when more air is added to a fire?
• Which of the following is a benefit of high-efficiency equipment promoted by NORA?
• What is the typical draft measurement at steady state over the fire?
• What is the primary purpose of calibrating an electronic analyzer before use?
• What are the approved oilheat fuels recognized by NORA?
• Which control is responsible for shutting off the burner due to excessive temperature or pressure?
• If a pump's gears are partially frozen, it could lead to which effect?
• What happens to stack temperature when excess air is increased?
• Besides industry professionals, NORA's outreach efforts also target which group?
• What is the first step to take on an emergency midnight no-heat call if the burner runs after pressing the reset button?
• What type of system does not require a fuel de-aerator for air reduction?
• What type of oil line is recommended to be used when buried in concrete?
• What happens to resistance when the light intensity on the cad cell increases?
• What is a key requirement for maintaining NORA certification?
• What does the NORA Bronze Certification require from candidates?
• How does a clamp-on ammeter measure current?
• What is a primary reason oil burners should not generate smoke?
• What can cause pulsating oil pump pressure and a pulsating fire?
• What is the purpose of a reverse acting aquastat in a hydronic system?
• What role does the start switch play in split-phase motors?
• What is one reason for promoting energy efficiency in oilheat systems?
• In what context does NORA discuss biodiesel?
• A heating unit closely matched to a building's heating requirements will provide what benefit?
• What is the purpose of the NORA Code of Ethics?
• Why does NORA focus on technological advances in oilheat?
• What might cause a furnace burner to short cycle or regularly shut off on high limit?
• What effect does dirt or lint build-up in the bevel of the burner fan blades have?
• How does NORA define oilheat?
• NORA emphasizes which aspect of oilheat systems for sustainable practices?
• When is the best time to check the integrity of oil lines?
• In what unit is electrical current measured?
• The function of a combustion chamber is crucial for which process?
• What is indicated by a properly functioning combustion chamber?
• Which component in a heating system is critical for flame detection?
• What is the primary function of a fuel de-aerator?
• Which component is typically found in a warm air furnace to control burner temperatures?
• How does NORA define the concept of carbon neutrality in oilheat?
• Replacing an old inefficient burner with a new high efficiency one reduces what loss?
• Which condition is likely to be mistaken as an air leak in the system?
• What role does NORA play in addressing environmental concerns related to oilheat?
• What consequence arises from a partially frozen pump gear in an oil heating system?
• How does NORA enhance awareness of oilheat's benefits?
• Which organization collaborates with NORA to enhance oilheat education?
• What is the primary mission of the National Oilheat Research Alliance (NORA)?
• What occurs if the draft regulator is functioning poorly?
• The flash point of a fuel indicates?
• A combustion efficiency test includes the measurement of which of the following?
• What term describes materials that allow electric current to flow through them with little resistance?
• What kind of safety training does NORA emphasize for professionals?
• What effect does a clogged filter have on an oil burner system?
• What is one benefit of obtaining the NORA Bronze Certification?
• How does replacing an old burner affect off-cycle losses?
• The flow rate stamped on a nozzle is based on which pump pressure?
• Where should the hole in the flue pipe for combustion testing be located?
• What is described as energizing the ignition circuit during the entire burn cycle?
• When replacing a nozzle, what is a critical best practice?
• What does NORA use to communicate research findings to the industry?
• To adjust the air ratio for different firing rates in an adjustable head burner, you should?
• Which precaution should you take when using an ohmmeter?
• What is a good insulator at 120 volts but acts as a conductor at 10,000 volts?
• Which of the following indicates a dedicated oil heating system circuit?
• How does NORA contribute to public policy regarding oilheat?
• In what format are NORA's educational materials primarily provided?
• If the operating vacuum is significantly less than the calculated vacuum, what is likely present?
• When using a voltmeter, one notable advantage is that it allows for:
• What is the maximum steam pressure needed to operate a residential one pipe steam system?
• What is a key method to minimize on-cycle heat loss?
• In oil burner circuits, how must the high limit control be configured?
• Before testing a capacitor start motor with an ohmmeter, what action should be taken?
• The NORA Certification exam includes questions on which topic?
• Why is it important to check air filters regularly in heating systems?
• Which certification level is the foundational tier awarded by NORA?
• What is a common characteristic of digital electronic combustion analyzers compared to traditional methods?
• What is the consequence of a partially closed oil supply valve?
• According to NORA, how is oilheat classified in terms of energy sources?
• When discussing electrical loads, which component is NOT typically considered a load?
• What is a consequence of water vapor condensing back into water in the flue?
• A thermostat designed to respond to heating needs is typically equipped with which type of switch?
• O2 or CO2 measurements are used to calculate what?
• What is a recommended practice during a tune-up of heating equipment?
• Resistance to the flow of electricity is measured in what unit?
• How do digital electronic combustion test instruments compare to "wet kits"?
• What does the term "infiltration" in the context of heating systems refer to?
• As heating oil gets colder, its viscosity?
• What pressure in pounds on a hot water boiler can push water up a pipe 28 feet high?
• What does isolated combustion air do for a heating system?
• What happens to sulfuric acid in combustion gases?
• What is the primary role of a high limit control?
• What is a key aspect of the NORA Bronze Certification process?
• What do NORA's research findings typically result in for the oilheat industry?
• How do PCS motors achieve better efficiency compared to traditional motors?
• Which type of development does NORA advocate in relation to energy efficiency?
• How does outside temperature influence chimney draft?
• Why is it important for oilheat professionals to be familiar with local codes?
• During a proper tune-up, what should you check first?
• All petroleum products are primarily chemical compounds of?
• What type of educational outreach does NORA provide for consumers?
• What causes infiltration losses in a building?
• Before pushing a reset button, what should be checked first?
• What is a sign of an inefficient oil nozzle?
• What is an advantage of PCS motors compared to conventional split phase motors?
• Which factor does NOT contribute to water entering oil tanks?
• What is the purpose of the overload switch in split phase motors?
• What is the significance of the NORA Certification logo?
• Why are capacitor start motors commonly used?
• How can you help ensure that carbon monoxide does not enter buildings?
• What material is important for ensuring the effectiveness of a combustion chamber?
• What is the best method to clear a clogged oil line?
• What does a significantly high operating vacuum reading indicate?
• Why is it important to keep the heat exchanger clean?
• How often does NORA review and update its certification training materials?
• A device that uses electricity to perform useful work is known as what?
• What is the function of the switch that opens when a split phase motor has almost reached full speed?
• What does NORA aim to achieve with research initiatives?
• What type of environmental initiative does NORA support?
• How can NORA-certified professionals impact consumer choices?
• If a split phase burner motor does not operate and the voltage to the motor is correct, what should be checked first?
• Why is off-cycle heat loss greater in older less efficient units compared to new high-efficiency ones?
• What is defined as the lowest temperature at which rapid combustion of fuel will occur?
• How many BTU's are approximately contained in one gallon of #2 fuel oil?
• Why are igniters considered better than ignition transformers?
• Which practice is essential for maintaining an oil pump's efficiency?
• Why is it preferable to connect fuel units as a one-pipe system?
• Where does water in oil tanks typically originate from?
• What is the purpose of an oil burner nozzle?
• Why is continuing education important in the oilheat industry?
• Which type of technology does NORA focus on to achieve carbon reduction?
• How often must NORA-certified professionals renew their certification?
• What feature does the ECM (Electronically Commutated Motor) provide?
• What is the primary advantage of using capacitors in motor starts?
• What percentage of air is made up of oxygen?
• What does an excessive draft drop through the heat exchanger indicate?
• What are the key areas of focus for NORA in its educational programs?
• What component is used to measure voltage in a circuit?
• How does NORA support training for industry professionals?
• What is one of the functions of a voltmeter?
• What is the main area at the bottom of an oil tank that harbors bacterial growth?
• What is the primary function of power venters?
• For a hot water heating system to function correctly, what must be provided?
• What kind of advancements does NORA research concerning oilheat systems?
• To what should the heat anticipator in a thermostat be set?
• How many strokes are necessary when using a pump type smoke tester to draw the correct amount of gases?
• What is one essential safety protocol for technicians working with oilheat systems?
• To maintain efficiency in the oil heating system, what is crucial for the oil filter?
• What factors can affect chimney draft?