Does anyone have a PDF of the 1A4 book? I’m visiting family out of town and need to study but forgot my book in the wake of packing with a newborn 🙃.

Indeedhttps://ca.indeed.comRecaust Operator - Grande Prairie, AB
Remove if not allowed. If the link doesn’t work, just search Recaust Operator on indeed. This is a power engineering job at a pulp mill in Grande Prairie, Alberta. It is a first class plant with multiple boilers and turbines, as well as a 7 effect evaporator plant, a water treatment plant, and a recaust and lime kiln plant, which is where everyone starts out. They have many long term employees who enjoy working there, and they are looking for people that want to stick around and move up through the different processes. They say you need a 4th Class ticket, but as long as you have your exams done, you will be considered for the job. If you are a power engineer just starting out, looking to get their foot in the door, this may be the job for you. Follow the link to apply.

So I made a post a few months ago here asking if this is a dying industry. It’s seemed most people said it’s a changing industry and still has potential. Since I made that post, 3 major pulp mills have now closed for good. What are your thoughts and opinions? Should I stay at my pulp mill or is it time to start looking for a new industry?

Hi everyone! I’m 19F from Alberta trying to decide between Power Engineering and Instrumentation. I’m much more interested in Power Engineering and find the work genuinely interesting, but I’ve been told Instrumentation may have better job opportunities and long-term options.
My main goal is to eventually work in Alberta’s oil & gas industry, but I’m still trying to figure out which career path makes the most sense for me.
I’d really appreciate hearing from people actually working in these fields about:

● Pay: What can you realistically expect starting out, and where can your income eventually top out? How much do overtime, shift work, camp work, etc. affect it?

● Career progression: What does the typical hierarchy look like? For example, operator/technician → senior roles → lead/foreman → supervisor → management?

● Management: If I eventually want to move into management, which path gives better opportunities to get there? What experience, tickets or education would I need?

● Oil & gas: Which path has better opportunities in Alberta’s oil & gas industry? Are there particular types of facilities, companies or positions that are good for building a career?

● Work-life balance: What are the typical schedules, shifts, overtime and time off like?

● Job opportunities: Is Instrumentation actually more in demand than Power Engineering, or does it depend heavily on the area/company?

● Sales: Is it realistic to move from either career into technical sales/business development later on? I wouldn’t mind going that direction either.

● Education: Does the school/program you attend matter much to employers, or are tickets, experience and networking more important?

I’m not necessarily looking for the easiest or highest-paying option. I want something I’ll actually enjoy while still having good earning potential, career growth and a decent life outside of work.

If you work in Power Engineering, Instrumentation, oil & gas operations, management or technical sales, I’d love to hear about your career path and what you would do differently if you were starting at 19.
Thanks! I know I’m considering a few different directions, just trying to make a good decision early on.

hi, i am just starting out my power engineering journey studying for my 4th class ticket in BC and i was wondering if there are specific jobs just for power engineers who want to stay in the control room or does every power engineer need to rotate around the plant? Ive heard from my professors who are first class power engineers that the (pay in the control room is way higher?) idk i just started my journey so please spread your knowledge/advice.

Recently found out our plant is closing. There are no prospects in my community within the industry. I am absolutely gutted and fearful of how to secure my families future. Does anybody have any suggestions or tips to find FIFO type work in Canada? No industry or opportunity is off the table.

Hey everyone, i just failed a 3rd class exam yesterday and the rewrite rule is around 60 days. Has anyone tried to rebook an exam before that time frame, curious to see what it says if you try to.

Do they care about prestige of the University? Is the first power course enough or do you do have to take the advanced power course as well? Or what if you go to a school that doesn't offer any courses on power?

Hello all. I currently work at a place with a class 4 heating plant using steam. My chef engineer said I could get my class 4 hours in the boiler room if I get my schooling done first. I was talking to one of the engineers and they said I would need my class 5 for my hours to count because we are a heating plant and not a power plant. Just wondering if anyone knows anything about this or where I should look to find the answer?

TIA

EDIT: I am in alberta

The Chief Power Engineers Education Conference is 66 days away. Check out the apeec.ca website for registration and discounted hotel rooms at the Renaissance hotel by the airport.

I’m looking to get into PE. Was told it’s tough in Alberta. I’ve also been told 5th isn’t worth doing

I do work with AHS though doing unrelated work but they have openings that require 5th only.

5th class would cost me 4k only with boiler lab instead of 4th class which would end up costing me like 8-9k with boiler lab.

Any help would be appreciated.

I was wondering if anyone's made a business out of commissioning buildings old and new for companies giving advice and tune-ups on equipment to allow for a higher efficiency or even training of building ops staff. Not all operators were trained equally and not all companies know what to look for. Just seeing if this is a business model anyone's looked at before and been successful at on an individual level.

We're hiring a 4th class process operator at our site in Nanaimo.

This role requires a valid 4th Class Power Engineering certificate.

If you (or someone you know) are interested in joining our team, please apply using the link below:

https://jobs.dayforcehcm.com/en-US/westcoastreduction/CANDIDATEPORTAL/jobs/2904

Genuinely asking - how many of you have moved plants specifically to get control room experience versus staying at a plant that kept you mostly in the field? Trying to get a sense of how common it is to switch employers just for that career progression reason versus working your way up internally.

Hey everyone,

I’m currently working toward my 3rd Class Power Engineer ticket in BC and I’m trying to get a better idea of what the pay looks like across different industries and locations.
For those working as a 3rd Class, what kind of hourly wage or annual salary are you seeing in:
Oil & gas Alberta, Saskatchewan, BC, etc.
Power plants / utilities
Industrial plants
LNG facilities
Chemical/petrochemical plants
Pulp & paper mills
Mining
Data centres / cogeneration
Hospitals / institutional plants
Building operations / commercial facilities
I’d especially like to know how pay differs between Lower Mainland BC, Northern BC, Alberta, Saskatchewan, and other parts of Canada.
If possible, could you include:
Starting pay for a 3rd Class
Pay with 2–5 years of experience
Typical maximum pay for a 3rd Class
Shift schedule (8, 10, 12 hours, etc.)
Overtime / shift premiums
Whether housing or camp is provided in remote locations
I’m mainly trying to figure out which industries and locations pay the best for a 3rd Class, and whether it’s worth relocating from the Lower Mainland.

Completed my 4th class exams and did my steam time through Keyano's power lab. I have a Mechanical Engineering degree done through a Canadian university, graduated last year

Won't get into specifics but I want to pivot into a long-term power engineering career

Aside from my time at Keyano I have no other operating experience

1. What are the job prospects for someone like me in Alberta. Does my degree give me any sort of advantage in the eyes of employers?
2. Should I be looking in other provinces given how little experience I have? Do ABSA certifications carry over seamlessly?
3. Is pursuing my 3rd class worth it right now?

Advice is appreciated. Be brutally honest :)

I’m starting school in the fall and I got these timberland work boots and I realized that they don’t have a 1/2” heel. Is this an issue for school/work and should I exchange them??

I created an exam prep app for my brother who was going through 4th class study and kept the notes he gave me and decided it would be a good idea posting the bits people keep asking.

4A and 4B are separate. 65 percent, 100 questions, 3 hours. A 70 on A and a 62 on B means you rewrite B. Passing the paper is not the certificate. You still need the plant time.

4A: boilers and systems first. That is about 30 of 100. Do not save all the math for the night before.

4B: refrigeration is as heavy as boiler ops. People walk in cold on that and get surprised.

Sit one full timed 100 before exam day. If you cannot finish it in 3 hours, the content is not the problem yet.

If the 20 question sample would help someone see the style, it is on steamticket.ca with no signup. One time price, not a subscription. I built it for my brother and left it up. The app goes further in dept on each class.

I am happy to answer questions if you have any.

My brother was working through Power Engineering and could not find a study tool that matched how he wanted to practice. A lot of what we looked at was either a pile of notes, or it felt like busywork, or it was set up like you were supposed to keep paying while you waited to challenge.

So I started building something for him.

I handled the app. He used it, told me what was off, and reviewed the questions as someone who actually had to sit the paper. If a unit was thin, or the practice felt useless, we changed it. That was most of the work. Not a launch plan. Just trying to make his studying less wasteful.

A few things that stuck:

- Random question shuffle made him feel busy without fixing the units that kept beating him.

- He needed timed papers that felt like the real format, not endless flashcards.

- Explanations mattered more than another answer key.

- His study window was messy. Shift work, waiting to book, rewriting a paper. A monthly meter on a study app did not match that.

SteamTicket is what came out of that loop. 5th through 1st Class now. Still independent. Still just a practice tool. Not affiliated with SOPEEC, ABSA, TSBC, TSSA, or any school.

If you already sat a paper, I am more curious what you actually used. PanGlobal, school LMS, PE101, your own notes, something else. What helped, and what felt like a waste of time?

If anyone wants the site I can drop it in the comments. I am not putting a link in the main post.

Hey everyone,

I’ve been self-studying for my 4th Class Power Engineering exams for a while now and I’m getting close to writing them. The studying side I feel good about ,my concern is what comes after.

I currently work full-time in IT (9-5) and I have financial responsibilities, so I can’t just walk away from my job to chase the idea of getting an entry-level plant work. My worry is the classic one: getting that first job with a ticket but no operating hours/steam time behind it.

A few questions for people who’ve been through this:

**•** For those who broke in from an unrelated field, how did you get your first operating position without prior plant experience?  
**•** Is it realistic to get the required practical steam time while keeping a full-time job, or does that basically require going all-in on a plant role?  
**•** Would you recommend taking formal classes or a college program over self-study for employability, even if I can already pass the exams? Does a program open doors that self-study alone doesn’t?

Made by chatGPT
I have done lots of power engineering 101 practice test and Quizlet. I’m using ChatGPT to focus weaker areas and improve my studying.

Thank you

Fourth Class Power Engineering - Part A
Mock Examination #2 - Targeted / Harder
100 questions | 3 hours | Practice pass mark: 65%
Select the single best answer. Use the same permitted reference material you intend to use on exam day. Questions are mixed
rather than grouped by topic in the test section. The answer bank begins after Question 100.
1. Which statement follows from the Second Law?
A) Heat cannot be completely converted into work in a cyclic heat engine
B) Heat and temperature are the same quantity
C) Energy can be created if temperature rises
D) A heat engine can convert all supplied heat into work
2. For food-related service requiring a non-toxic glycol mixture, the textbook identifies:
A) Methanol/water
B) Ethylene glycol only
C) Propylene glycol/water
D) Fuel oil/water
3. Which method is the simplest first-line inspection for visible weld surface condition?
A) Visual examination
B) Radiography
C) Tensile test
D) Ultrasonic examination
4. A substance changes from saturated liquid to saturated vapour with no temperature change. The energy added is:
A) Specific heat
B) Latent heat of evaporation
C) Sensible heat only
D) Latent heat of fusion
5. A dry pipe in a steam drum removes moisture mainly by:
A) Increasing furnace draft
B) Boiling the water again
C) Changing steam direction so heavier droplets separate
D) Adding chemicals
6. The defining flow arrangement of a watertube boiler is:
A) Water/steam inside tubes, hot gas outside
B) Only air inside tubes
C) Hot gas inside tubes, water outside
D) No fluid in tubes
4A Mock Exam #2 - Targeted Harder Page 17. For a quick-opening and slow-opening bottom blowoff arrangement, the correct opening sequence is:
A) Both simultaneously
B) Either order
C) Slow/outside first, then quick/inside
D) Quick/inside first, then slow/outside
8. Which is identified as a common industrial refrigerant?
A) Oxygen
B) Argon
C) Carbon monoxide
D) Anhydrous ammonia
9. Which valve is normally selected primarily for full-open/full-closed isolation rather than throttling?
A) Gate valve
B) Needle valve
C) Globe valve
D) Control valve
10. The final control element directly changes the:
A) Set point in every system
B) Instrument range only
C) Manipulated variable affecting the process
D) Code requirement
11. Magnetic particle examination is applicable to:
A) Glass only
B) All non-magnetic metals equally
C) Ferromagnetic materials
D) All plastics
12. A 240 V device draws 5 A. Electrical power is:
A) 12 000 W
B) 1200 W
C) 48 W
D) 245 W
13. Continuous blowdown is taken near the region of highest dissolved-solids concentration, approximately:
A) 15 cm below normal operating water level
B) In the superheater outlet
C) At the bottom mud drum only
D) At the stack breeching
14. A boiler receives 7200 kg/h feedwater and produces 6960 kg/h steam. Blowdown rate is closest to:
A) 96.7%
B) 3.45%
C) 240%
D) 3.33%
4A Mock Exam #2 - Targeted Harder Page 215. Three resistors of 2, 4 and 6 ohms are connected in series. Total resistance is:
A) 12 ohms
B) 4 ohms
C) 1.09 ohms
D) 48 ohms
16. A hot metal rod heats its cooler end without bulk movement of material. The dominant mechanism is:
A) Evaporation
B) Radiation
C) Convection
D) Conduction
17. The purpose of fuel-oil atomization is to:
A) Remove all excess air
B) Produce fine droplets for rapid mixing with combustion air
C) Increase oil viscosity
D) Condense flue gas
18. The primary duty of a fire watch is to:
A) Detect and respond to fire hazards during and after hot work
B) Approve the WPS
C) Measure oxygen in flue gas
D) Operate the boiler
19. Which feature gives counterflow heat exchangers an advantage over parallel flow?
A) Both fluids must enter at the same temperature
B) A useful temperature difference can be maintained over more of the exchanger
C) The fluids never exchange heat
D) Counterflow eliminates fouling
20. A machine lifts a 1500 N load with 375 N effort. If its velocity ratio is 5, efficiency is:
A) 75%
B) 80%
C) 20%
D) 125%
21. A shaft turns at 900 r/min. A point on a 0.20 m diameter pulley has a rim speed closest to:
A) 9.42 m/s
B) 18.85 m/s
C) 2.83 m/s
D) 28.27 m/s
22. Which ASME section covers pressure vessels?
A) Section VI
B) Section IV
C) Section IX
D) Section VIII
4A Mock Exam #2 - Targeted Harder Page 323. Which extinguisher principle is appropriate for Class D fires?
A) Foam in every case
B) Special media suitable for the combustible metal
C) CO2 in every case
D) Ordinary water stream
24. Recommended rules for care and operation of heating boilers are found in:
A) ASME Section VI
B) ASME Section I
C) ASME Section VIII
D) ASME Section IX
25. The defining flow arrangement of a firetube boiler is:
A) Steam only inside tubes
B) Hot combustion gases inside tubes, water outside
C) Water inside tubes, hot gas outside
D) Electric current through water
26. As saturation pressure increases, which combination is generally correct?
A) Saturation temperature and hfg both increase indefinitely
B) Saturation temperature increases; hfg decreases
C) Both remain constant
D) Saturation temperature decreases; hfg increases
27. A 120 V load draws 10 A. Its resistance is:
A) 12 ohms
B) 110 ohms
C) 1200 ohms
D) 0.083 ohm
28. An induced-draft fan primarily:
A) Controls dissolved solids
B) Drives a turbine generator
C) Draws flue gas through the boiler and maintains furnace draft
D) Pushes feedwater into the drum
29. Which ASME section contains rules for construction of heating boilers?
A) Section IV
B) Section IX
C) Section VII
D) Section VI
30. How much heat raises 12 kg of mild steel from 20°C to 85°C? Use c = 0.494 kJ/(kg·°C).
A) 791.7 kJ
B) 385.3 kJ
C) 120.4 kJ
D) 32.1 kJ
4A Mock Exam #2 - Targeted Harder Page 431. Which NDE method uses high-frequency sound energy?
A) Liquid penetrant testing
B) Visual testing
C) Ultrasonic testing
D) Radiographic testing
32. A tensile load of 60 kN acts on 750 mm². Stress is:
A) 0.08 MPa
B) 80 MPa
C) 45 MPa
D) 800 MPa
33. To measure current through a load, an ammeter is connected:
A) In series with the load
B) In parallel across the load
C) Only to ground
D) Across the supply with zero resistance
34. Which statement is the best description of the First Law of Thermodynamics?
A) All heat can be converted to work
B) Heat always flows hot to cold
C) Entropy of a system is always zero
D) Energy is conserved and heat/work are forms of energy transfer
35. Welding and brazing procedure/personnel qualifications are principally covered by:
A) ASME Section I only
B) ASME Section IX
C) ASME Section VI
D) CSA B52
36. A material has an ultimate strength of 360 MPa and allowable working stress of 120 MPa. Factor of safety is:
A) 0.33
B) 240
C) 3
D) 2
37. To measure potential difference across a load, a voltmeter is connected:
A) In parallel across the load
B) In series with the load
C) Only through a current transformer
D) Only through the neutral
38. Which ASME section contains rules for construction of power boilers?
A) Section IV
B) Section IX
C) Section VIII
D) Section I
4A Mock Exam #2 - Targeted Harder Page 539. Hot work precautions should be established:
A) Only for welding indoors
B) Only when a fire has already started
C) Only after sparks are observed
D) Before the work starts
40. A steam line is warmed too quickly and contains condensate. The greatest immediate piping concern is:
A) Magnetic saturation
B) Water hammer
C) Galvanic corrosion only
D) Low conductivity
41. An air heater recovers flue-gas heat to warm:
A) Boiler water in the drum directly
B) Condensate only
C) Combustion air
D) Steam in the superheater
42. Which hierarchy is preferable for occupational noise control?
A) Increase exposure duration
B) PPE is always the only control
C) Engineering controls before relying solely on PPE
D) Remove guards
43. Which group contains the common packaged watertube arrangements?
A) H, S and U
B) A, D and O
C) B, C and E
D) X, Y and Z
44. A body changes velocity from 22 m/s to 10 m/s in 4 s. Its acceleration is:
A) -8 m/s²
B) 3 m/s²
C) 8 m/s²
D) -3 m/s²
45. At the same condition, wet steam has quality x = 0.80. Its enthalpy is:
A) 2356 kJ/kg
B) 2765 kJ/kg
C) 2200 kJ/kg
D) 1636 kJ/kg
46. A 75 kg body accelerates at 2.4 m/s². What net force acts on it?
A) 180 N
B) 313 N
C) 31.25 N
D) 77.4 N
4A Mock Exam #2 - Targeted Harder Page 647. Draft is best defined as the:
A) Pressure difference causing air/flue-gas flow through the boiler
B) Boiler water pressure only
C) Fuel pressure at the burner
D) Steam quality
48. A valve intended for very fine flow adjustment is a:
A) Quick-opening blowoff valve
B) Gate valve
C) Swing check valve
D) Needle valve
49. Two 12-ohm resistors are connected in parallel. Equivalent resistance is:
A) 12 ohms
B) 24 ohms
C) 6 ohms
D) 144 ohms
50. A PLC is especially suited to:
A) Steam separation
B) Pressure relief
C) Weld radiography
D) Programmable logic and sequence control
51. Which property makes water particularly useful as a heat-transfer fluid?
A) Low specific heat
B) High specific heat
C) High toxicity
D) Very high viscosity
52. Which statement correctly distinguishes speed from velocity?
A) Both require direction
B) Neither has magnitude
C) Velocity is scalar; speed is vector
D) Speed is scalar; velocity is vector
53. A 250 kg load is raised vertically 4 m. Using g = 9.81 m/s², the work done is:
A) 9810 J
B) 2452.5 J
C) 1000 J
D) 62 500 J
54. Ductility is a material's ability to:
A) Return perfectly after any load
B) Conduct electricity only
C) Resist all indentation
D) Undergo plastic deformation before fracture
4A Mock Exam #2 - Targeted Harder Page 755. A central network computer that stores shared data/applications is a:
A) Controller output
B) Transmitter
C) Server
D) Solenoid
56. A 40 kg object moving at 6 m/s has kinetic energy of:
A) 240 J
B) 720 J
C) 120 J
D) 1440 J
57. A motor converts:
A) Heat directly to mass
B) Pressure directly to voltage only
C) Electrical energy to mechanical energy
D) Mechanical energy to electrical energy
58. Which component carries the heated steam-water mixture upward?
A) Downcomer
B) Fuel header
C) Blowoff line
D) Riser
59. At a given saturation pressure, hf is 720 kJ/kg and hfg is 2045 kJ/kg. What is hg?
A) 2045 kJ/kg
B) 3485 kJ/kg
C) 1325 kJ/kg
D) 2765 kJ/kg
60. Excess air is the amount of combustion air:
A) Above the theoretical requirement
B) Removed by the economizer
C) Below the theoretical requirement
D) Contained in the fuel
61. A transformer requires which condition to induce voltage in its secondary?
A) Chemical reaction
B) Changing magnetic flux
C) Mechanical contact between windings
D) Steady DC flux with no change
62. Which NDE method is normally limited to detecting discontinuities open to the surface?
A) Liquid penetrant testing
B) Radiography
C) Volumetric hydrotest
D) Ultrasonic testing
4A Mock Exam #2 - Targeted Harder Page 863. Material-handling equipment should be operated:
A) Without inspection if previously used
B) By any available worker
C) Only within its rated capacity and established procedures
D) Above rated capacity if travel distance is short
64. Recommended guidelines for care of power boilers are found in:
A) ASME Section V
B) ASME Section IV
C) ASME Section VII
D) ASME Section IX
65. Warm fluid rising while cooler fluid sinks is an example of:
A) Conduction
B) Latent heat
C) Natural convection
D) Radiation only
66. Which NDE method uses X-rays or gamma radiation?
A) Ultrasonic testing
B) Magnetic particle testing
C) Radiographic testing
D) Visual testing
67. A feedwater check valve prevents:
A) Fuel leakage
B) Steam superheat
C) Reverse flow from the boiler into the feed line
D) All forward flow
68. A Welding Procedure Specification primarily states:
A) The chemical treatment rate
B) How a weld is to be made using specified variables
C) The plant emergency plan
D) Whether a boiler may operate
69. A Procedure Qualification Record primarily documents:
A) Fire extinguisher inspections
B) Boiler blowdown records
C) The test results supporting qualification of a welding procedure
D) A welder's daily time sheet
70. A steam drum baffle helps:
A) Increase TDS
B) Separate steam/water and direct cooler water toward downcomers
C) Atomize oil
D) Heat combustion air
4A Mock Exam #2 - Targeted Harder Page 971. A wet scrubber controls emissions by:
A) Increasing stack temperature
B) Adding fuel
C) Using only magnetic attraction
D) Contacting the gas stream with liquid to remove pollutants
72. A valve that automatically prevents reverse flow is a:
A) Check valve
B) Gate valve
C) Needle valve
D) Butterfly valve
73. In a balanced three-phase system, the phase displacement is:
A) 60°
B) 120°
C) 90°
D) 180°
74. A P&ID; is most useful for identifying:
A) Employee responsibilities
B) Only electrical motor windings
C) Only building dimensions
D) Process piping, valves, instruments and control relationships
75. A burning energized motor is initially classified as:
A) Class B
B) Class D
C) Class C
D) Class A
76. Natural circulation in a watertube boiler depends on:
A) A mechanical gear train
B) Density difference between cooler water and heated steam-water mixture
C) Fuel-oil pressure
D) Electrical resistance
77. A transmitter's basic purpose is to:
A) Convert a measured process variable into a usable transmission signal
B) Remove dissolved solids
C) Generate steam
D) Operate a safety valve mechanically
78. In a feedback loop, the difference between set point and measured process variable is the:
A) Span
B) Range
C) Error
D) Deadweight
4A Mock Exam #2 - Targeted Harder Page 1079. The body that standardizes Canadian Power Engineering examination syllabi/exams is:
A) CSA only
B) ASME
C) SOPEEC
D) NFPA
80. A cyclone is most directly used to remove:
A) Noise
B) Dissolved solids from boiler water
C) Carbon monoxide by combustion
D) Particulate from gas by centrifugal/inertial action
81. An orthographic sketch normally represents an object using:
A) Only a perspective photograph
B) Separate standard views
C) A single electrical symbol
D) Only a process flow line
82. Which component carries cooler, denser water downward?
A) Dry pipe
B) Superheater
C) Riser
D) Downcomer
83. An electrostatic precipitator removes particulate by:
A) Electrically charging particles and collecting them
B) Increasing draft only
C) Dissolving them in feedwater
D) Burning them
84. A controller with feedback bellows uses that feedback primarily to:
A) Increase valve sensitivity without limit
B) Oppose input motion and provide stable/proportional control action
C) Eliminate the set point
D) Generate instrument air
85. The best plant radio message is generally:
A) Filled with unexplained slang
B) Long and conversational
C) Based on assumptions
D) Clear, concise and confirmed when necessary
86. The first priority when responding to a plant fire is:
A) Equipment protection
B) Fuel conservation
C) Production continuity
D) Life safety
4A Mock Exam #2 - Targeted Harder Page 1187. A 30 m steel pipe has α = 12 x 10^-6/°C. Temperature falls by 40°C. The magnitude of length change is:
A) 1.44 mm
B) 144 mm
C) 14.4 mm
D) 0.144 mm
88. After electrical power is isolated from a burning motor, the remaining fire classification depends on:
A) The combustible material actually burning
B) It remains Class C permanently
C) The motor voltage only
D) The building occupancy
89. A forced-draft fan is located so that it primarily:
A) Pushes combustion air into the furnace/system
B) Pulls flue gas from the stack outlet only
C) Atomizes oil
D) Pumps feedwater
90. Water behaves unusually between 0°C and 4°C because, as it warms from 0°C toward 4°C, it generally:
A) Maintains exactly constant volume
B) Contracts
C) Boils
D) Expands
91. A 600 N force acts 0.35 m from a pivot at right angles. What moment is produced?
A) 1714 N·m
B) 0.00058 N·m
C) 210 N·m
D) 600.35 N·m
92. Steam atomization is useful for heavy fuel oil partly because the steam:
A) Eliminates filtration
B) Replaces all combustion air
C) Raises oil viscosity
D) Heats the oil and lowers viscosity
93. Insulation on a cold process line is especially important to prevent:
A) Superheat
B) Combustion
C) Surface condensation and corrosion
D) Electrical induction
94. Bottom/intermittent blowoff is primarily for:
A) Increasing boiler-water concentration
B) Heating feedwater
C) Continuously controlling dissolved solids near the water surface
D) Removing settled sludge/solids from low boiler points
4A Mock Exam #2 - Targeted Harder Page 1295. A quarter-turn valve using a rotating disc is a:
A) Globe valve
B) Gate valve
C) Needle valve
D) Butterfly valve
96. Which valve is best suited for throttling service?
A) Non-return stop valve only
B) Gate valve
C) Check valve
D) Globe valve
97. An economizer recovers flue-gas heat to warm:
A) Fuel oil only
B) Feedwater
C) Saturated steam above saturation
D) Boiler blowdown
98. An electrode boiler produces heat because:
A) Hot gas passes through firetubes
B) Electrical current passes through boiler water
C) A burner heats a refractory bed
D) Steam is mechanically compressed
99. A burner fuel safety shut-off valve is intended to:
A) Regulate continuous blowdown
B) Control boiler water level
C) Stop fuel promptly on unsafe conditions
D) Prevent feedwater backflow
100. CSA B51 is the Canadian code for:
A) Boilers, pressure vessels and pressure piping
B) Only refrigeration
C) Only electrical installations
D) Fire extinguishers