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J 2023
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Decks in this class (59)
Class B Review Quiz
State the chemical abbreviations ...,
State the ignition temperatures o...,
List the specific gravities for n...
66
cards
Line A Combustion Analyzers
What is the main reason for perfo...,
How often should your combustion ...,
Where should the sampling probe t...
17
cards
Line A ? Fuel/Air Linkage Adjustments
What is the power end of the hone...,
What is the auxiliary end of the ...,
In what orientation should motors...
15
cards
Line B Combustion and Emissions
Describe the relationship between...,
If three flue samples were taken ...,
If a natural gas appliance and a ...
18
cards
Line B Draft
What would be the calculated theo...,
A boiler is firing natural gas at...,
A natural gas boiler is firing at...
16
cards
Line B Hydronic Systems
What is the primary concern with ...,
What are two major concerns for t...,
What is the typical system design...
10
cards
Line B Steam Systems
Which type of boiler installation...,
What is the purpose of a steam trap,
What device controls the water le...
10
cards
Line B Other ICI Process Systems
Thermal fluid systems are used wh...,
They have a lower pressure than s...,
750 f
6
cards
Line B Mechanical Safety Devices
Referring to figure 1 what is thi...,
Referring to figure 2 what is thi...,
Referring to figure 3 what is thi...
34
cards
Line B Testing Mechanical Safety Devices
Which code regulates the installa...,
What is the maximum servicing int...,
How often should a lift test be p...
9
cards
Line B Combustion
When dealing with the combustion ...,
It is important to add excess air...,
Which of the air to fuel ratios s...
22
cards
Line C Transformers
What is the voltage limitation on...,
What is the primary purpose of th...,
What type of transformer is used ...
9
cards
Line C Electronic Proportioning
Where are the potentiometers hous...,
Referring to the figure below wha...,
Referring to the figure below onc...
7
cards
Line C Power Converters
What work does a power rectifier ...,
What work does a power inverter p...,
Where may a gasfitter see the use...
6
cards
Line C Control Point Instrumentation
For control point instrumentation...,
What type of rtd is mostly used i...,
The known electrical resistance a...
22
cards
Line C Circuit Components
What is the standard voltage used...,
Why are separate ignition transfo...,
Are limit circuits wired in paral...
18
cards
Line C 3-Phase Motors
What are the advantage of a 3 pha...,
What are the two main industry st...,
What is the purpose of a service ...
24
cards
Line C 3-Phase Motor Starters & PID Loop Controls
What will the size of the wire be...,
What will the size of the mag sta...,
What size overloads are required ...
8
cards
Line C VFD & ECM Operation
Variable speed drives adjustable ...,
Save energy improve efficiency ma...,
Dfma pumps fans compressors
17
cards
Line C Electrical Circuit Faults
What commonly can cause a power s...,
What is the definition of insuffi...,
What is the most common cause of ...
10
cards
Line C ?Boiler Controls
To protect against a low water co...,
Beside shutting off the burner wh...,
What is done to change the operat...
7
cards
Line C Troubleshoot Complex Circuits
What is an arc flash,
What is an arc blast,
What is the major cause of an arc...
20
cards
Line C Network Technologies
In computer networking what does ...,
In computer networking what does ...,
In computer networking what is a lan
8
cards
Line D Pipe Sizing (Tables)
What four factors affect the flow...,
What factor determines which of t...,
Pipe sizing tables in the b1491 u...
11
cards
Line D Regulators
In order to increase regulator ac...,
Which regulator will have the lea...,
Critical flow in a regulator occu...
20
cards
Line D *Size air supply* Combustion Air Supply Systems & Sizing
Why do air requirements differ fo...,
An atmospheric gas appliance has ...,
A furnace room complies with code...
23
cards
Line D Overpressure Protection
When is an overpressure protectio...,
What method of overpressure prote...,
Which type of over pressure prote...
8
cards
Line D Gas Fired Appliances and Boilers ICI Burners
What is the purpose of tertiary a...,
What type of heat transfer does a...,
What type of heat transfer does a...
20
cards
Line D ICI Appliances
What advantage does a direct cont...,
Describe how an immersion burner ...,
Describe how an indirect bath hea...
11
cards
Line D DFMAs
A direct fired make up air unit i...,
A direct fired makeup air heater ...,
What is the main benefit of a dfmah
12
cards
Line D Mech Venting Systems
What can be the results of an imp...,
Define forced draft,
What is the draft source for a na...
15
cards
Line D ICI Boilers
What type of boiler is generally ...,
Referring to figure 1 what type o...,
Referring to figure 1 how would t...
14
cards
Line D Boiler Ratings
What is the input of an 80 effici...,
What is the bhp rating of a hot w...,
What btu output would be required...
9
cards
Line D Permissives, Limits, & Interlocks
Modern burner controls do not nee...,
What initiates the burner cycle,
List some of the typical switches...
18
cards
Line D PID Loop controller
For a pid controller what does th...,
Z,
For a pid controller what does th...
4
cards
Line E Sensing Line Installation
Referring to the image below what...,
When an impulse line is used for ...,
When an impulse line is used for ...
10
cards
Line E Draft Systems
Referring to the figure below wha...,
Referring to the figure below wha...,
When an automatic flue damper use...
8
cards
Line E *Install Venting Systems*
What category appliance has nonpo...,
What category appliance has posit...,
What category appliance has posit...
14
cards
Line F? Burner Orifices
From the combustion flow formula ...,
What would be the most reliable s...,
What is the purpose of an orifice...
5
cards
Line F Pressure test and Purge Piping Systems
What is the minimum diameter gaug...,
Using good engineering practices ...,
What is the minimum test pressure...
13
cards
Line G Refractory
For refractory classification wha...,
For refractory compounds and mate...,
Why do alkaline and acidic refrac...
10
cards
Line D ? Valve Train Components
Define a valve train,
Where will you find the minimum s...,
What three factors will determine...
23
cards
Line D ? Supervisory Systems
What is a supervisory system,
What is the difference between a ...,
What is a common name for a manua...
10
cards
D3-1 Principles of Refrigeration
What type of heat is referred to ...,
What type of heat is referred to ...,
What three substances are used in...
18
cards
B4 Refrigeration Equipment
What are the four basic component...,
What is the purpose of the genera...,
What is the purpose of the absorb...
13
cards
Process Flow and P&ID Diagrams
What does a process flow diagram ...,
A process flow diagram pfd can be...,
What is the purpose of a process ...
7
cards
Burner & Fuel Air Control
Referring to figure 1 what is the...,
Referring to figure 2 what is the...,
Referring to figure 3 what is the...
4
cards
Valve Actuators - Mod Devices
What are valves that are used to ...,
What is the actuation movement th...,
What is the actuation movement th...
11
cards
Perform fuel / air linkage adjustments
What is the power end of the hone...,
What is the auxiliary end of the ...,
In what orientation should motors...
15
cards
Alternate Fuels
Which two alternate fuels are com...,
Which alternate fuels are commonl...,
What is the most common secondary...
20
cards
Alternate Fuel Calculations
Calculate the input of a gas appl...,
Calculate the input of a gas appl...,
Calculate the output of a propane...
12
cards
Install Flame Safeguard
What is the minimum operating amb...,
What is the maximum operating amb...,
What is the required minimum line...
14
cards
Explain Controllers
Explain controllers,
Programming controller,
Intermittent pilot
18
cards
Flame Rectification
What was the major weakness of ea...,
What is the minimum and preferred...,
Where is the ground electrode usu...
14
cards
Optical Flame Detectors
What part of the flame should the...,
What part of the flame should the...,
What part of the flame is visible...
13
cards
Boiler management system
What inputs does the flame safegu...,
What outputs does the flame safeg...,
What additional inputs does a fla...
9
cards
Programming Control
Referring to the figure below doe...,
At what percentage of input is co...,
What is the maximum trial for ign...
20
cards
Alternate Fuel Combustion
How any subcategories of fuel oil...,
Fuel oils 1 and 2 are considered ...,
Fuel oils 3 and 4 are considered ...
13
cards
Vaporizer and Dispensing Systems
What methods are used to vaporize...,
What are the different types of f...,
Referring to the figure below wha...
20
cards
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high output gas
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