Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
47 Cards in this Set
- Front
- Back
|
State the formula used to calculate the center to face measurement for a 90ﾟ long radius but Weld elbow, 45ﾟlong radius, 90ﾟshort radius |
NPS × 1 and a 1/2, NPS × 5/8ths, NPS × 1 |
|
|
Do all unions require a gasket to ensure a proper seal |
No |
|
|
For a 6" by 6" by 3" STD. But Weld T, what does the 3" tell you |
The branch outlet is 3" NPS. |
|
|
List the accepted procedure for making a but weld joint |
Measure, mark, cut ,ream, bevel, fit up, tack |
|
|
What would you use a wrap-around for |
A wrap-around is used to mark the cut path to be followed around a pipe when cutting the pipe with an oxy/fuel cutting torch. |
|
|
The land width for a butt Weld is typically__________ and ___________ (may or may not) Vary in accordance with A QCM or Weld procedure. |
The land width for a butt Weld is typically 1/8 of an inch and may vary in accordance with A QCM or Weld procedure. |
|
|
When should a gap rod be removed from a butt weld |
After the 2nd tack |
|
|
What recommended bevel angle should be ground on to the flat end of a pipe |
37 and a 1/2 degrees |
|
|
Is a socket weld welded on both sides |
No |
|
|
What is the best sealing surface for corrosive and high temperature/pressure flanged joints |
A ring joint flange |
|
|
Cast iron flanges are available in pressure ratings of_________and________ |
#125 and #250 |
|
|
What type of gasket joint can only be separated by an axial pull |
Ring joint |
|
|
A ring gasket is usually made of a product that is |
Softer than the flange material |
|
|
What tool would you recommend for a gasket joint that can only be separated by an axial pull |
Flange spreader |
|
|
Which tools are required to make a gasket using the trace and tap method |
A soft face hammer and a ball-peen hammer |
|
|
What tools would you use to cut a gasket from thin flat soft gasket material . |
Gasket cutter, gasket trammell. |
|
|
The maximum temperature stated for asbestos compound gaskets is __________ ﾟC and __________ Degrees for Teflon gaskets. |
The maximum temperature stated 4 asbestos compound Gaskets is 500ﾟC and 60ﾟC for Teflon gaskets |
|
|
Why are ring cut gaskets preferred to full face flange gaskets |
Ring cut gaskets requires smaller torque loads to achieve a leak tight joint. |
|
|
What should be applied to one or both surfaces of a gasket to ensure easy removal at a later date |
Graphite or other non stick compounds |
|
|
During long term storage how should gaskets be kept or stored |
In cool dry locations flat not hung on pegs or nails |
|
|
How are flange bolts to be tightened |
In a criss-cross or star pattern |
|
Butt weld fitting |
|
|
|
Chipping hammer |
|
|
Wrap around |
|
|
|
|
|
Weld neck flange |
|
|
Slip on flange |
|
|
Threaded flange |
|
|
Socket Weld flange |
|
|
Reducing flange |
|
|
Orifice flange |
|
|
Lap joint flange |
|
|
Blind flange |
|
|
Line and spectacle blinds |
|
|
Raised face flange |
|
|
Flat faced |
|
|
Ring type joint face |
|
|
Male and female flanges |
|
|
|
|
|
Flat ring gasket |
|
|
Serrated gasket |
|
|
Laminated to gasket |
|
|
Corrugated |
|
|
ring joints gaskets |
|
Ring gasket identification |
|
|
|
Spiral wound gasket |
|
|
|
