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19 Cards in this Set
- Front
- Back
What constitutes the best seal on flanges |
Contact surface to contact surface on flat and smooth surfaces with enough force to hold them together and maintain a seal |
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Name two reasons why gaskets move while in place |
Internal pressure Bolt load |
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Name four considerations for selecting a gasket |
Flange finish Flange face design Temp Pressures Medium to be sealed and fluid compatibility |
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Name four types of blinds commonly found in indsutry |
Pancake blind Volute blind Spectacle blind Flange blind |
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Which type of blind requires two gaskets while the system is in service |
Spectacle blind |
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Name five common joint/flange faces found in industry |
Flat face Raised face Tongue and groove Male and female Ring joint |
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Flat-faced gasket joints are regarded as confined joints because the gasket is not allowed to flow freely |
False; the gasket can be squeezed out |
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Flat-faced gaskets are used for high pressure conditions |
False; they would push out |
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In regards to raised face gasket joints, what are the two dimensions of the raised face that are related directly to pressure |
1/16 inch for low pressures 1/4 inches for higher pressures |
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The tongue and groove joint is considered a totally confined joint |
True |
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You must remove all the flange bolts on spiral-wound gaskets in order to facilitate the gasket removal |
False; only half the bolts need to be removed |
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You cannot find metallic gaskets on engine heads |
False; they are commonly used for their strength |
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Name the three common solid metal ring designs |
Delta Oval Octagonal |
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The flanges that use solid metal ring gaskets are harder than the solid ring |
True |
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On what is nominal pipe size based |
The inside diameter |
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What is the main limitation of tapered pipe thread joints in piping |
They loosen when vibration, pressure pulses or thermal movement are present |
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What two things are under stress when piping is not properly aligned or supported before assembly |
Pipes Componenets |
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Which tool must you use to remove the burr from the inside of a pipe that you have just cut on a power vise |
A straight reamer |
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Why is soldering more suitable than welding for joining thin metal parts? |
Soldering creates much less heat distortion due to heat |