BLOCK 2 FINAL TEST QUESTIONS WITH VERIFIED ANSWERS
Which of the following defects are not acceptable for metal lines?
xz xz xz xz xz xz xz xz xz xz
1)Cracked flare xz
2)Seams
3)Dents in the heal of a bend less than 20% of the wall thickness
xz xz xz xz xz xz xz xz xz xz xz xz xz
4)Scratches/nicks on the inside of a bend less than 10% of wall thickness xz xz xz xz xz xz xz xz xz xz xz xz
5)Dents in straight section that are 20% of tube diameter - ans-1, 2, 3, and 5
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
Refer to figure (45.) What type of weld is shown at B - ans-Double Butt
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
(Refer to figure 46.) The measurement reading on the illustrated micrometer is - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz
0.2851
In examining and evaluating a welded joint, a mechanic should be familiar with? - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
Like ambient exposure conditions and intended use of the part, along with type of weld and
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
original part material composition. xz xz xz
1)In nondestructive testing, a discontinuity may be defined as an interruption in the normal
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
physical structure or configuration of a part. xz xz xz xz xz xz
2)A discontinuity may or may not effect the usefulness of a part. - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz
Both No. 1 and No. 2 are true
xz xz xz xz xz xz xz
Which of these nondestructive testing methods is suitable for the inspection of most metals,
xz xz xz xz xz xz xz xz xz xz xz xz xz
plastics, and ceramics for surface and subsurface defects? - ans-Ultrasonic insopection
xz xz xz xz xz xz xz xz xz xz xz
Select a characteristic of a good gas weld - ans-
xz xz xz xz xz xz xz xz xz
The weld should taper off smoothly into the base metal.
xz xz xz xz xz xz xz xz xz
Which of the following occurs when a mechanical force is repeatedly applied to most metals
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
at room temperature, such as rolling, hammering, or bending?
xz xz xz xz xz xz xz xz xz
1. The metals become artificially aged
xz xz xz xz xz
2.The metals become stress corrosion cracked
xz xz xz xz xz
3.The metals become cold worked, strain or work hardened - ans-3
xz xz xz xz xz xz xz xz xz xz
On a fillet weld, the penetration requirement includes what percentages of the base metal t
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
hickness? - ans-25 to 50 percent xz xz xz xz xz
Liquid penetrant inspection methods may be used on which of the following?
xz xz xz xz xz xz xz xz xz xz xz
1. Porous Plastics
xz xz
2. Ferrous Metals
xz xz
3.Non-ferrous Metals xz
4. Smooth primer-sealed wood
xz xz xz
5. Non-porous plastics - ans-2, 3, 5
xz xz xz xz xz xz
,Magnetic particle inspection is used primarily to detect - ans-Flaws on or near the surface
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
A bolt with an X inside a triangle on the head is classified as an - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
NAS close tolerance bolt xz xz xz
How is a clevis bolt used with a fork-end cable terminal secured? - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz
With a shear nut tightened to a snug fit, but with no strain imposed on the fork and safetied w
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
ith a cotter pin.
xz xz xz
Self-locking nuts may be used on aircraft provide that? - ans- xz xz xz xz xz xz xz xz xz xz
The bolt or nut are not subjected to rotation
xz xz xz xz xz xz xz xz
Circular magnetization of a part can be used to detect which defects? - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz
Defects parallel to the long axis of the part xz xz xz xz xz xz xz xz
The Society of Automotive Engineers (SAE) and the American Iron and steel institute use a
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
numerical index system to identify the composition of various steels. In the number '4130' d
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
esignating chromium molybdenum steel, the first digit indicates the - ans- xz xz xz xz xz xz xz xz xz xz
Basic alloying element xz xz
What is generally used in the construction of aircraft exhaust collectors, stacks, and manifol
xz xz xz xz xz xz xz xz xz xz xz xz xz
ds? - ans-Stainless steel
xz xz xz
In magnetic particle inspection, a flaw that is perpendicular to the magnetic field flux lines g
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
enerally causes - ans-A large disruption in the magnetic field
xz xz xz xz xz xz xz xz xz
The twist of a connecting rod is checked by installing push-
xz xz xz xz xz xz xz xz xz xz
fit arbors in both ends, supported by parallel steel bars on a surface plate. Measurements ar
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
e taken between the arbor and the parallel bar with a - ans-Thickness gauge
xz xz xz xz xz xz xz xz xz xz xz xz xz
What defects will be detected by magnetizing a part using continuous longitudinal magnetiz
xz xz xz xz xz xz xz xz xz xz xz xz
ation with a cable? - ans-Defects perpendicular to the long axis of the part
xz xz xz xz xz xz xz xz xz xz xz xz xz
Holes and a few projecting globules are found in a weld. What action should be taken? -
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
ans-Remove all the old weld, and reweld the joint.
xz xz xz xz xz xz xz xz xz
Why is it considered good practice to normalize a part after welding? - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz
To relive internal stresses developed within the base metal
xz xz xz xz xz xz xz xz
Which tool is used to measure the clearance between a surface plate and a relatively narro
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
w surface being checked for flatness? - ans-Thickness gauge
xz xz xz xz xz xz xz xz
The testing medium that is generally used in magnetic particle inspection utilizes a ferroma
xz xz xz xz xz xz xz xz xz xz xz xz xz
gnetic material that has - ans-High permeability and low retentivity
xz xz xz xz xz xz xz xz xz
, Why is steel tempered after being hardened? - ans-
xz xz xz xz xz xz xz xz
To relieve its internal stresses and reduce its brittleness.
xz xz xz xz xz xz xz xz
One characteristic of a good weld is that no oxide should be formed on the base metal at a di
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
stance from the weld of more than - ans-1/2 inch
xz xz xz xz xz xz xz xz xz
The side clearances of piston rings are measured with a - ans-Thickness gauge
xz xz xz xz xz xz xz xz xz xz xz xz
What precision measuring tool is used for measuring crankpin and main bearing journals fo
xz xz xz xz xz xz xz xz xz xz xz xz xz
r out? - ans-Depth Gauge
xz xz xz xz
What aluminum alloy designations include that the metal has received no harding or tempe
xz xz xz xz xz xz xz xz xz xz xz xz xz
ring treatment? - ans-3003-F
xz xz xz
The reheating of a heat treated metal, such as with a welding torch - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
Can significantly alter a metal's properties in the reheated area
xz xz xz xz xz xz xz xz xz
Which statement regarding aircraft bolts is correct?
xz xz xz xz xz xz
1)When tightening castellated nuts on drilled bolts, if the cotter pin holes do not line up, it is
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
permissible to overtighten the nut to permit alignment of the next slot with the cotter pin hole
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
2)In general, bolt grip lengths should equal the material thickness
xz xz xz xz xz xz xz xz xz
3)Alloy steel bolts grip smaller than 1/4 inch diameter should not be used in primary structur
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
e - ans-In general, bolt grip lengths should equal the material thickness
xz xz xz xz xz xz xz xz xz xz xz
(Refer to figure 44.) Identify the weld caused by an excessive amount of acetylene. - ans-3
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
Which of the following methods may be suitable to use to detect cracks open to the surface i
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
n aluminum forgings and castings?
xz xz xz xz
1)Dye penetrant inspection xz xz xz
2)Magnetic particle inspection xz xz
3)Metallic ring inspection xz xz
4)Eddy current inspection xz xz
5)ultra sonic inspection xz xz xz
6)Visual inspection - ans-1, 4, 5, 6 xz xz xz xz xz xz
Which condition indicates a part has cooled too quickly after being welded? - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz
Cracking adjacent to the weld xz xz xz xz
Normalizing is a process of heat treating - ans-iron-base metals only. xz xz xz xz xz xz xz xz xz xz
What metal has special short-
xz xz xz xz
time heat properties and is used in the construction of aircraft firewalls? - ans-Titanium alloy
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
Alclad is a metal consisting of - ans-
xz xz xz xz xz xz xz
pure aluminum surface layers on an aluminum alloy core
xz xz xz xz xz xz xz xz
Which of the following defects are not acceptable for metal lines?
xz xz xz xz xz xz xz xz xz xz
1)Cracked flare xz
2)Seams
3)Dents in the heal of a bend less than 20% of the wall thickness
xz xz xz xz xz xz xz xz xz xz xz xz xz
4)Scratches/nicks on the inside of a bend less than 10% of wall thickness xz xz xz xz xz xz xz xz xz xz xz xz
5)Dents in straight section that are 20% of tube diameter - ans-1, 2, 3, and 5
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
Refer to figure (45.) What type of weld is shown at B - ans-Double Butt
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
(Refer to figure 46.) The measurement reading on the illustrated micrometer is - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz
0.2851
In examining and evaluating a welded joint, a mechanic should be familiar with? - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
Like ambient exposure conditions and intended use of the part, along with type of weld and
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
original part material composition. xz xz xz
1)In nondestructive testing, a discontinuity may be defined as an interruption in the normal
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
physical structure or configuration of a part. xz xz xz xz xz xz
2)A discontinuity may or may not effect the usefulness of a part. - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz
Both No. 1 and No. 2 are true
xz xz xz xz xz xz xz
Which of these nondestructive testing methods is suitable for the inspection of most metals,
xz xz xz xz xz xz xz xz xz xz xz xz xz
plastics, and ceramics for surface and subsurface defects? - ans-Ultrasonic insopection
xz xz xz xz xz xz xz xz xz xz xz
Select a characteristic of a good gas weld - ans-
xz xz xz xz xz xz xz xz xz
The weld should taper off smoothly into the base metal.
xz xz xz xz xz xz xz xz xz
Which of the following occurs when a mechanical force is repeatedly applied to most metals
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
at room temperature, such as rolling, hammering, or bending?
xz xz xz xz xz xz xz xz xz
1. The metals become artificially aged
xz xz xz xz xz
2.The metals become stress corrosion cracked
xz xz xz xz xz
3.The metals become cold worked, strain or work hardened - ans-3
xz xz xz xz xz xz xz xz xz xz
On a fillet weld, the penetration requirement includes what percentages of the base metal t
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
hickness? - ans-25 to 50 percent xz xz xz xz xz
Liquid penetrant inspection methods may be used on which of the following?
xz xz xz xz xz xz xz xz xz xz xz
1. Porous Plastics
xz xz
2. Ferrous Metals
xz xz
3.Non-ferrous Metals xz
4. Smooth primer-sealed wood
xz xz xz
5. Non-porous plastics - ans-2, 3, 5
xz xz xz xz xz xz
,Magnetic particle inspection is used primarily to detect - ans-Flaws on or near the surface
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
A bolt with an X inside a triangle on the head is classified as an - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
NAS close tolerance bolt xz xz xz
How is a clevis bolt used with a fork-end cable terminal secured? - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz
With a shear nut tightened to a snug fit, but with no strain imposed on the fork and safetied w
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
ith a cotter pin.
xz xz xz
Self-locking nuts may be used on aircraft provide that? - ans- xz xz xz xz xz xz xz xz xz xz
The bolt or nut are not subjected to rotation
xz xz xz xz xz xz xz xz
Circular magnetization of a part can be used to detect which defects? - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz
Defects parallel to the long axis of the part xz xz xz xz xz xz xz xz
The Society of Automotive Engineers (SAE) and the American Iron and steel institute use a
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
numerical index system to identify the composition of various steels. In the number '4130' d
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
esignating chromium molybdenum steel, the first digit indicates the - ans- xz xz xz xz xz xz xz xz xz xz
Basic alloying element xz xz
What is generally used in the construction of aircraft exhaust collectors, stacks, and manifol
xz xz xz xz xz xz xz xz xz xz xz xz xz
ds? - ans-Stainless steel
xz xz xz
In magnetic particle inspection, a flaw that is perpendicular to the magnetic field flux lines g
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
enerally causes - ans-A large disruption in the magnetic field
xz xz xz xz xz xz xz xz xz
The twist of a connecting rod is checked by installing push-
xz xz xz xz xz xz xz xz xz xz
fit arbors in both ends, supported by parallel steel bars on a surface plate. Measurements ar
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
e taken between the arbor and the parallel bar with a - ans-Thickness gauge
xz xz xz xz xz xz xz xz xz xz xz xz xz
What defects will be detected by magnetizing a part using continuous longitudinal magnetiz
xz xz xz xz xz xz xz xz xz xz xz xz
ation with a cable? - ans-Defects perpendicular to the long axis of the part
xz xz xz xz xz xz xz xz xz xz xz xz xz
Holes and a few projecting globules are found in a weld. What action should be taken? -
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
ans-Remove all the old weld, and reweld the joint.
xz xz xz xz xz xz xz xz xz
Why is it considered good practice to normalize a part after welding? - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz
To relive internal stresses developed within the base metal
xz xz xz xz xz xz xz xz
Which tool is used to measure the clearance between a surface plate and a relatively narro
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
w surface being checked for flatness? - ans-Thickness gauge
xz xz xz xz xz xz xz xz
The testing medium that is generally used in magnetic particle inspection utilizes a ferroma
xz xz xz xz xz xz xz xz xz xz xz xz xz
gnetic material that has - ans-High permeability and low retentivity
xz xz xz xz xz xz xz xz xz
, Why is steel tempered after being hardened? - ans-
xz xz xz xz xz xz xz xz
To relieve its internal stresses and reduce its brittleness.
xz xz xz xz xz xz xz xz
One characteristic of a good weld is that no oxide should be formed on the base metal at a di
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
stance from the weld of more than - ans-1/2 inch
xz xz xz xz xz xz xz xz xz
The side clearances of piston rings are measured with a - ans-Thickness gauge
xz xz xz xz xz xz xz xz xz xz xz xz
What precision measuring tool is used for measuring crankpin and main bearing journals fo
xz xz xz xz xz xz xz xz xz xz xz xz xz
r out? - ans-Depth Gauge
xz xz xz xz
What aluminum alloy designations include that the metal has received no harding or tempe
xz xz xz xz xz xz xz xz xz xz xz xz xz
ring treatment? - ans-3003-F
xz xz xz
The reheating of a heat treated metal, such as with a welding torch - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
Can significantly alter a metal's properties in the reheated area
xz xz xz xz xz xz xz xz xz
Which statement regarding aircraft bolts is correct?
xz xz xz xz xz xz
1)When tightening castellated nuts on drilled bolts, if the cotter pin holes do not line up, it is
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
permissible to overtighten the nut to permit alignment of the next slot with the cotter pin hole
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
2)In general, bolt grip lengths should equal the material thickness
xz xz xz xz xz xz xz xz xz
3)Alloy steel bolts grip smaller than 1/4 inch diameter should not be used in primary structur
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
e - ans-In general, bolt grip lengths should equal the material thickness
xz xz xz xz xz xz xz xz xz xz xz
(Refer to figure 44.) Identify the weld caused by an excessive amount of acetylene. - ans-3
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
Which of the following methods may be suitable to use to detect cracks open to the surface i
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
n aluminum forgings and castings?
xz xz xz xz
1)Dye penetrant inspection xz xz xz
2)Magnetic particle inspection xz xz
3)Metallic ring inspection xz xz
4)Eddy current inspection xz xz
5)ultra sonic inspection xz xz xz
6)Visual inspection - ans-1, 4, 5, 6 xz xz xz xz xz xz
Which condition indicates a part has cooled too quickly after being welded? - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz
Cracking adjacent to the weld xz xz xz xz
Normalizing is a process of heat treating - ans-iron-base metals only. xz xz xz xz xz xz xz xz xz xz
What metal has special short-
xz xz xz xz
time heat properties and is used in the construction of aircraft firewalls? - ans-Titanium alloy
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
Alclad is a metal consisting of - ans-
xz xz xz xz xz xz xz
pure aluminum surface layers on an aluminum alloy core
xz xz xz xz xz xz xz xz
