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;
25 Cards in this Set
- Front
- Back
|
Foreign matter trapped in the weld metal is called _______.
A. Intrusion B. Inclusion C. Porosity D. Bubble |
B. Inclusion |
|
|
Three basic types of cracks can occur in weld metal: transverse, longitudinal, and _______.
A. Horizontal B. Crater C. Inclusion D. Vertical |
B. Crater |
|
|
Arc strikes are small, localized points where ______ occurs away from the weld.
A. Grinding B. Cutting C. Surface melting D. Spatter |
C. Surface melting |
|
|
The borescope most commonly used by Pipefitters is the ______.
A. Rigid borescope B. Right-angle borescope C. Diopter D. Flexible borescope |
D. Flexible borescope |
|
|
Liquid penetrant tests detect _____.
A. Weld undercut B. Surface openings C. Inclusions D. Slag pockets |
B. Surface openings |
|
|
Magnetic particle tests are sensitive to ______.
A. Surface and near-surface flaws B. Surface flaws only C. Root problems D. Paint problems |
A. Surface and near-surface flaws |
|
|
Both light beams and ultrasound beams are ______.
A. Liquid B. Solid C. Waves D. Particles |
C. Waves |
|
|
Ultrasonic examination can be used to ______.
A. Surface cracks B. Shrinkage cavities C. Splatter D. Arc strikes |
A. Surface cracks |
|
|
Conductivity tests use amperage to find flaws in _____ of pipes.
A. Welds B. Flanges C. Fittings D. Coatings |
D. Coatings |
|
|
Pretest requirements include identifying ______.
A. Weld types B. Test boundaries C. Flange types D. Leaks |
B. Test boundaries |
|
|
Applicable codes are indicated on the _______.
A. Lift plans B. Test boundaries C. Test report D. Test medium |
C. Test report |
|
|
The pressure gauge in a test should be connected directly to the ______ of the system or component.
A. High point B. Low point C. Test boundary D. End |
A. High point |
|
|
As a minimum requirement, each pressure gauge must be calibrated every _______.
A. Time it is used B. Two weeks C. Three months D. Six months |
D. Six months |
|
|
Field pretest inspection may be written up as a _______.
A. Inspection punchlist B. Test report C. Lift plan D. Load chart |
A. Inspection punchlist |
|
|
As part of the pretest field inspection of a piping system ______.
A. Run the system up to pressure B. Take out the gasket C. Ensure that all equipment not to be tested is locked and tagged out D. Open all the pressure relief valves |
C. Ensure that all equipment not to be tested is locked and tagged out |
|
|
Cleaning a system can be done by ______.
A. Hand scrubbing B. Torches C. Pigging D. Reamers |
C. Pigging |
|
|
Using chemicals to clean pipe systems is sometimes called ______.
A. Pigging out B. Pickle and passivate C. Flushing D. Flow testing |
C. Flushing |
|
|
To perform a service test, close the last valve in the system and turn on the service to that system at ______.
A. One half design pressure B. One and one half times rated pressure C. Three and a half times design pressure D. Normal operating pressure |
D. Normal operating pressure |
|
|
To perform a flow test, check for leaks with the ______.
A. Last valve closed B. System shut down C. Supply valve closed D. System in operation |
D. System in operation |
|
|
Head pressure test are performed on _______.
A. High-pressure system B. Nuclear-reactor coolants C. Low-pressure systems D. Hydroblasters |
C. Low-pressure systems |
|
|
The head of one foot of water is equal to _______ psi.
A. 0.4335 B. 5 C. 11 D. 27.72 |
A. 0.4335 |
|
|
When testing a drain pipe in a high-rise structure, only test _____ feet at a time.
A. 50 B. 100 C. 200 D. 300 |
A. 50 |
|
|
If design pressure for a new installation is 200 psi, the hydrostatic test pressure is ______ psi
A. 100 B. 200 C. 250 D. 300 |
B. 200 |
|
|
In a hydrostatic test it is best to fill the system from the _____.
A. Highest-point B. Middle C. Lowest-point D. End |
C. Lowest point |
|
|
Ina pneumatic pressure test, connections are checked for leaks with a _______.
A. Pneumatic plug B. Mechanical plug C. Mix of soap and water D. Hydrometer |
C. Mix of soap and water |
