Metallurgy & Welding Flashcards
Aluminum alloys are used in the construction of:
Select one:
a. Condenser tubes
b. Electric motor field poles
c. Internal combustion engine parts
d. Anti-friction bearings
c. Internal combustion engine parts
The “penetrant testing” method of non-destructive examination is able to:
Select one:
a. detect welding anomalies before the welding starts
b. detect any indication open to the surface
c. discover any discontinuity
d. detect sub-surface indications
b. detect any indication open to the surface
Defects in a weld can also be called:
Select one:
a. observed inclusions
b. indicators
c. flaws
d. discontinuities
d. discontinuities
The weld inspection method that uses penetrameters is ________ inspection.
Select one:
a. Dye penetrant
b. Ultrasonic
c. Fluorescent penetrant
d. Radiographic
d. Radiographic
When carrying out a radiographic test on a weld, photographic film is located on one side of the test piece. What is put on the opposite side to record the test?
a. A penetrameter
b. A developer
c. A radiation source
d. An image quality indicator
c. A radiation source
What are the welds called which are carried out on the parts of a pressure vessel which directly contains the internal forces generated?
Select one:
a. pressure integrity welds
b. pressure boundary welds
c. pressure mitigation welds
d. pressure containment welds
b. pressure boundary welds
With regards to a form of NDE, a transducer is part of the equipment required for a/an:
Select one:
a. Eddy Current test
b. Ultrasonic test
c. Penetrant test
d. Radiographic test
b. Ultrasonic test
A trained UT technician can document not only the location and size of the discontinuity but also:
Select one:
a. the type of discontinuity
b. the probability of failure due to the discontinuity
c. the grade of the discontinuity
d. the volume of the discontinuity
a. the type of discontinuity
A copper alloy that contains tin, and sometimes zinc, is:
Select one:
a. Brass
b. Bronze
c. White metal
d. Babbit
b. Bronze
Submerged arc welding is a(an)_____ welding process.
Select one:
a. Oxy-acetylene
b. AC electric
c. AC or DC electric
d. DC
c. AC or DC electric
The two basic categories of welded joints are groove and:
Select one:
a. overlapping
b. butt
c. angle
d. fillet
d. fillet
Which of the following would be used to reduce the temperature gradient in order to attain a slower cooling rate of a weld?
Select one:
a. air cooling the weld
b. quenching the component in water
c. post-heat the welded area
d. preheating the heat affected zone
d. preheating the heat affected zone
When carrying out a Radiographic Test on a weld, the radiation source is located on one side of the test piece. What is put on the opposite side to record the test?
Select one:
a. a developer
b. a penetrameter
c. an Image Quality Indicator
d. photographic film
d. photographic film
The filler rod in braze welding is usually made of:
Select one:
a. Alloy steel
b. Brass
c. Aluminium
d. Bronze
d. Bronze