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36 Cards in this Set
- Front
- Back
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The steam space of a boiler consists of A. Highest point of the heating surface B. Portion of the boiler not filled with water C. Inside area of the economizer D. Portion of the boiler bellow the waterline |
B. Portion of the boiler not filled with water |
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The steam space of a boiler must be large enough to A. Accommodate all the steam riser tubes. B. Separate the water from the steam. C. Accommodate a steam separator D. Keep the steam pressure down. |
B. Separate the water from the steam. |
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All parts of the boiler exposed to fire or flue gas must be covered by A. Blanket insulation B. Metal cladding C. Refractory D. Water |
D. Water |
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Power boilers usually require _________ blow down valves. A. 1 B. 2 C. 3 D. 4 |
B. 2 |
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High pressure boilers operate at pressures above A. 1000 kpa B. 500 kPa C. 2500 kPa D. 103 kPa |
D. 103 kPa |
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The earliest forms of boilers were classified as A. Internally fired B. Externally fired |
B. Externally fired |
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The uptake, the duct used to convey the spent combustion gases from the boiler to the stack or chimney, is also known as the flue, vent, or breeching. T or F |
True |
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The type of Boiler required for electrical power production is: |
High pressure High temperature High capacity boilers |
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The type of Boiler used to inject large amounts of heat energy into geological formations for recovery of crude oil is classified as: |
Thermo flooding boiler |
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HRT Stands for what type of Boiler? |
Horizontal Return Tubular Boiler |
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The first boiler to have firetubes became known as the: A) Scotch boiler B) Haystack boiler C) HRT boiler D) Mushroom boiler E) Haycock boiler
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C) HRT boiler |
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The windbox of a boiler is: A) Where the fuel and air are mixed for combustion B) Always maintained under negative pressure C) The duct work surrounding the burners on the outside of the boiler into which the air for the burners is introduced D) What the forced draft fan is installed into E) The collector of the exhaust gases before they go into the uptake
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C) The duct work surrounding the burners on the outside of the boiler into which the air for the burners is introduced |
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An attended boiler: A) Can only be operated while a qualified engineer in present B) Must be supervised once a day C) Can be allowed to operate unsupervised over the weekend D) Is a fully automatic boiler E) Can be supervised on a daily basis
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A) Can only be operated while a qualified engineer in present |
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Low pressure heating boilers are those that operate below: A) 50 kPa B) 103 kPa C) 76 kPa D) 25 kPa E) 100 kPa
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E) 100 kPa |
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The lowest permissible water level of a power boiler is: A) Set by the plant chief B) Determined by operating conditions C) Set by the authority having jurisdiction D) The lowest allowable water level while firing E) The normal operating water level
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D) The lowest allowable water level while firing |
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The term “heating plant” is defined in: 1. ASME Section I 2. ASME Section IV 3. CSA B-51 4. Alberta Power Engineers Regulation 5. Alberta Pressure Equipment Safety Regulation A) 2, 4 B) 1, 4 C) 1 D) 1, 3 E) 4, 5
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A) 2, 4 |
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What limits the height of a packaged boiler? A) Firing capacity B) Internal furnace dimensions C) Transportation requirements D) Boiler design E) Building ceiling height
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C) Transportation requirements |
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An example of a boiler fitting would be a: A) Sootblower B) Drum C) Combustion chamber D) Forced draft fan E) Temperature controller
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E) Temperature controller |
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Heads are the steel plates that close off the ends of a watertube boiler drum and are called _____ if used in a firetube boiler. A) Dishes B) Tube sheets C) Plates D) Ends E) Heads
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B) Tube sheets |
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The most common method of observing the water level in a boiler is with the use of a: A) Hopkinson level indicator B) Gage glass C) Remote level indicator D) Tri cocks E) Dip stick
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B) Gage glass |
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The term “boiler” is defined in: 1. ASME Section I 2. ASME Section IV 3. Alberta Boilers and Pressure Vessels Regulation 4. Alberta Design, Construction and Installation of Boilers and Pressure Vessels Regulation 5. Alberta Power Engineers Regulation A) 5 B) 3 C) 1, 2 D) 1, 2 E) 3, 5
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E) 3, 5 |
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Low pressure hot water heating boilers are those that operate below: A) 150°C B) 121°C C) 120°C D) 100°C E) 103°C
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C) 120°C |
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The term “Generally Supervised Boiler” is defined in the: A) Alberta Design, Construction and Installation of Boilers and Pressure Vessels Regulation B) ASME Section I C) Alberta Boilers and Pressure Vessels Regulation D) ASME Section IV E) Alberta Power Engineers Regulation
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E) Alberta Power Engineers Regulation |
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According to the code, a high pressure or power boiler is one in which steam or other vapour is generated at a pressure of more than: A) 103 kPa B) 51 kPa C) 76 kPa D) 84 kPa E) 25 kPa
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A) 103 kPa |
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The term “heating surface” is defined in: 1. ASME Section I 2. ASME Section IV 3. CSA B-51 4. Alberta Design, Construction and Installation of Boilers and Pressure Vessels Regulations 5. Alberta Power Engineers Regulations A) 1, 2 B) 3 C) 4 D) 4, 5 E) 5
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D) 4, 5 |
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Handholes are openings used for: A) Inspection of the boiler uptake B) Entry and inspection of the boiler furnace C) Inspection of the ash hopper D) Inspection of the boiler shell or drum E) Inspection of the windbox
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D) Inspection of the boiler shell or drum |
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High pressure heating boilers are those that operate below: A) 100 kPa B) 1 100 kPa C) 76 kPa D) 1 000 kPa E) 500 kPa
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B) 1 100 kPa |
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The first boiler to have an internal furnace was the: A) Locomotive boiler B) Watertube boiler C) Longitudinal drum firetube boiler D) HRT boiler E) Scotch Boiler |
E) Scotch Boiler |
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The Haycock boiler was: A) Of welded construction B) Used around 1720 C) Of multiple flue gas pass design D) A packaged unit E) A watertube unit
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B) Used around 1 720 |
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Blowoff or blowdown valves are used to: A) Reduce the steam pressure on the boiler B) Drain or remove sediment from the bottom of the boiler C) Clear the steam lines of condensate D) Drain or remove sediment from the continuous blowdown E) Drain or remove sediment from the bottom of the steam drum |
B) Drain or remove sediment from the bottom of the boiler |
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Boiler structural strength must: A) Be verified by the purchaser B) Be at least ten times the normal working pressure rating C) Be at least equal to the various code requirements D) Be increased if thinner metal is to be used E) Take into account only pressure values and not consider temperatures
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C) Be at least equal to the various code requirements |
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On older boilers, the masonry work that tended to surround the furnace was termed: A) The wind box B) The boiler firebox C) The boiler casing D) Masonry E) The setting of the boiler
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E) The setting of the boiler |
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An induced draft fan handles: A) Flue gases going to the combustion chamber B) Flue gases from the combustion chamber C) Air going to the combustion chamber D) Fuel gases from the combustion chamber E) Air from the combustion chamber |
B) Flue gases from the combustion chamber |
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Manholes are openings through which a person can: A) Enter the boiler furnace B) Enter the boiler shell or drum C) Enter and inspect the steam header D) Inspect the boiler uptake E) Enter the ash hopper |
B) Enter the boiler shell or drum |
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The products of combustion leaving the furnace are referred to as: 1. Combustion gases 2. Flue gases 3. Noxious gases 4. Stack gases A) 1 B) 3, 4 C) 1, 2 D) 1, 2, 3 E) 2 |
C) 1, 2 |
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An early boiler having a longitudinal shell or drum had as its heating surface: A) The lower part of the shell and the rear plate or head B) The total shell side and one end plate or head C) Two passes along the shell or drum D) Only one end plate E) Only the lower part of the shell |
E) Only the lower part of the shell |
