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10 Cards in this Set
- Front
- Back
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In a closed expansion tank system an air separator: 1) Removes air from the system 2) Is not required 3) Is installed at the boiler outlet 4) Directs air into the expansion tank 5) Is installed at the boiler inlet |
Directs air into the expansion tank |
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A closed expansion tank is usually equipped with: 1) A gauge glass 2) An automatic fill valve 3) A pressure relief valve 4) A thermometer 5) A circulating pump |
A gauge glass |
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At what other point besides being connected to the boiler, could an expansion tank in a closed hot water heating system be located? 1) On the relief line 2) On the lowest radiator in the system 3) On the system return line 4) On the return main 5) On the supply main |
On the supply main |
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The scale on the dial of the pressure or altitude gauge on a hot water heating boiler shall be graduated approximately to not less than _____ times the maximum allowable boiler working pressure. 1) 0.5 2) 1.5 3) 2 4) 2.5 5) 1 |
1.5 |
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Which of the following fittings would you expect to find on a hot water heating boiler: 1. Thermometer 2. Safety relief valve 3. Blow off or drain valve 4. Water column 1) 1, 2, 4 2) 1, 4 3) 1, 2, 3, 4 4) 1, 2, 3 5) 2, 3, 4 |
4) 1, 2, 3 |
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How are stop valves that are used on steam outlet connections of heating boilers identified? 1) With identification numbers 2) With metal tags 3) They have catalogue numbers 4) With stickers 5) They are stamped |
With metal tags |
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The term "fitting" is defined in: 1) Alberta Pressure Equipment Safety Regulation 2) ASME Section I 3) CSA B-51 4) Alberta Power Engineers Regulation 5) ASME Section IV |
Alberta Pressure Equipment Safety Regulation |
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The scale on the dial of the pressure or altitude gauge on a hot water heating boiler shall be graduated approximately to not more than _____ times the maximum allowable boiler working pressure. 1) 2.5 2) 3.5 3) 1.5 4) 2 5) 3 |
3 |
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When a closed expansion tank is used and the system is cold: 1) The tank should be manually filled 2) The auto fill valve will maintain a system minimum pressure 3) The possibility of air in the system will be high 4) The tank level will be high 5) There will be no air in the tank |
The auto fill valve will maintain a system minimum pressure |
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A pressure or altitude gauge for a hot water heating boiler: 1) Does not require a syphon 2) Must be of 51 mm pipe size 3) Must be equipped with a syphon 4) Must have a temperature dial 5) Shall have a dial scale at least three times the maximum allowable working pressure |
Does not require a syphon |
