Reading...
Play button
Play button
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;
17 Cards in this Set
- Front
- Back
|
Waster pieces
|
a short section of removable piping on each side of nonferrous components
|
|
|
Desired length of waster pieces
|
24 inches
12 is acceptable |
|
|
Never install expansion joints to compensate for...
|
pipe misalignment
|
|
|
Velocity of JP5 and F76 in piping is restricted to...
|
15 ft/sec for shipboard transfer and 25 ft/sec for loading and unloading operations
|
|
|
_____are not satisfactory for cutting tube or pipe ends to be brazed into socket type fittings
|
-wheel cutters
-use a hacksaw (except on refrigerant lines) |
|
|
When cutting refrigerent piping, use...
|
-a tube cutter
dont use tools that create dust |
|
|
Remove all pipe burrs by...
|
reaming or filing
|
|
|
Two types of brazing methods
|
Alloy insert method
Face-feed method |
|
|
Most recommended O-rings for piping systems at temperatures to 400°F
|
fluorocarbon rubber
|
|
|
two types of gate valves
|
parallel
wedge |
|
|
Globe valves are commonly used as....
|
flow regulators
|
|
|
Plug, Ball, and Butterfly valves are all...
|
rotary valves that are rotated through 90° increments
|
|
|
Butterfly valves can sucessfully be used in....
|
throttling applications
|
|
|
Best installed position of a valve
|
with stem pointing straight up
|
|
|
Valves used for throttling
|
Globe, angle, and needle valves are preffered
|
|
|
Steam traps
|
Thermostatic (bellows type)
Open bucket inverted bucket ball float |
|
|
Fuel service strainers made of...
|
nickel-copper
|
