Gaskets and piping Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Flat gasket sealing ability is affected by the 3

A

thickness of the gasket
bolt load pressure
internal and hydrostatic end force

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2
Q

what type of pressures are flat face gaskets good for

A

low to medium

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3
Q

Disadvantage of pancake blind

A

system must be spread for clearance to install

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4
Q

how must spectacle blinds be installed

A

Installed in pairs in line

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5
Q

Difference between o ring and flat face gasket

A

O-rings sealing ability increases as internal pressure increases

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6
Q

Advantage of self confined ring joint

A

High temperature
high pressure
good for corrosive environment

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7
Q

5 types of gasket joint design

A
flat face
raised face
tongue and groove
male and female flange
ring joint
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8
Q

gasket used in low to moderate pressure, gasket moves freely, commonly used on cast iron flanges

A

flat face unconfined gasket joint

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9
Q

gasket commonly on piping connections and where pressure range up to 900 psi

A

raised face unconfined gasket joint

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10
Q

1/16 inch raised face flanges are for pressure up to

A

900

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11
Q

1/4 inch raise face flanges are for pressures

A

above 900

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12
Q

gasket design provides gasket with no freedom to move and is considered good for high pressure application

A

tongue and groove confined gasket joint

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13
Q

gasket is on confined on its two flat sides and on the outside edge, this design provides good support for the gasket and protection from blowout

A

male and female semi confined gasket joint

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14
Q

solid metal ring gasket have 3 designs

A

delta
oval
octagonal

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15
Q

surface finish of pipe yellow jacketed and used for underground services

A

coated

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16
Q

surface finish of pipe used in hydraulic piping

A

pickled and oiled

17
Q

surface finish of pipe used in refrigerant lines and ammonia service

A

pickled

18
Q

coating on pipe for cheap corrosion protection against less aggressive corrosives, not to be used in hydraulic system

A

galvanized

19
Q

standard surface finish of pipe

A

black iron

20
Q

List 5 purging medium

A
air
water
carbon dioxide
nitrogen
steam
21
Q

Pipe ID is used to identify sizes up to and including

A

12”