BIPC 620 QUESTIONS AND ANSWERS
Certified IPC Trainter CIT and Certified IPC Specilist certifications exipre after how
many years - Answers -2 Years
Master IPC Trainers MIT are authorized to ceritfy - Answers -CIT and CIS only
A CIT is authorized to ceritfy - Answers -CIS
If permitted by company policy, a CIT may grant an extension of up to how many days -
Answers -90 days
What module is required as a pre req. for IPC 620 CIS certification - Answers -Module
1
CIS retesting may be taken only after a minimum of - Answers -24 hours
What is the correct order of production status - Answers -Design, PCB Fabrication,
Assemly, Cleaning and Coating
The tolerance for magnification aid is - Answers -Plus or Minus 15 (Chapter 1) Page 1-
7
The Manufacturer shall (_1_2_3) have a documented calibration system - Answers -
N1D2D3 - PAGE 1-8
What is a Process Indicator - Answers -A condition that identifies a characteristics that
does not affect the form fit or function of a product- should be monitored
Conditions that are not specified as defective or as a process indicator are considered -
Answers -Acceptable - Page 1-4
Illumination at the surface of workstation should be minimum of - Answers -1000
lm/m^2 or 93 foot candles
A condition that is close to perfect defines what type of condition - Answers -Target
When inspecting a 22 AWG wire the inspection magnification range shall be - Answers
-1.5X-3X - Table 1-1
The criteria defined in IPC-620 reflect three product classes , Class 1, 2, 3 - Answers -
Class 1- General Electronic Products
Class 2- Dedicated Service Electronic Products
Class 3- High Performance/ Harsh Environment Electronic Products
, If insulation thickness is reduced by more than 20%, the condition is _1_2_3 - Answers
-Defect for all classes - Chapter 3 - page 3-9
Damaged wires that do not exceed the limits specified in table 3-1 are considered
_1_2_3 - Answers -A1P2P3 so process indicators for 2 and 3 -Page 3-2
Wire separation that exceeds one strand diameter but does not extend beyond the wire
insulation outside diameter is _1_2_3 - Answers -A1P2D3 Chapter 3 page 3-6
The maximum number of damaged strands for Class 2 wires with 28 strands used at a
potential of 6kV or greater is - Answers -0 - Chapter 3, refer to Table 3-1
Insulation that has been charred, melted into the wire strands and has uneven or
ragged pieces of insulation that is greater than 50% of the outside diameter or 1 mm, is
what for all classes - Answers -Defect
If a wire has 20 strands, the maximum allowable scraped, nicked, or severed strands for
a Class 2 crimp termination is - Answers -3 - Chapter 3 Table 3-1
When twisting a wires in a cable bundle is required, the length of lay for each twist shall
be _ to _ the other diameter of the bundle - Answers -8 to 16 times - Chapter 3 page 3-
7
If the wire strands are kinked, what is it for all classes? - Answers -Defect for all,
chapter 3 page 3-6
Stranded wires used in what three types shall never be tinned? - Answers -1. Crimped
termination
2. Mesh Splices
3. Threaded Fasteners
Chapter 4 page 4-12
A wire not discernible in a pierced terminal solder connection is what for all classes? -
Answers -A1P2P3, Chapter 4 Page 4-37
A part with gold plating thickness that exceeds 2.5 um and has not had the gold
removed from areas to be soldered is what for all classes? - Answers -N1D2D3 -
Chapter 4, page 4-5 / for Solder cups, gold shall only be removed for Class 3 N1N2D3
Solder wicking of wire that inhibits flexibility is what for all classes? - Answers -Defect
for all - Chapter 4 page 4-13
No Clean flux residue on any electrical mating surface is what for all classes? -
Answers -Defect for all - Chapter 4 page 4-7
Certified IPC Trainter CIT and Certified IPC Specilist certifications exipre after how
many years - Answers -2 Years
Master IPC Trainers MIT are authorized to ceritfy - Answers -CIT and CIS only
A CIT is authorized to ceritfy - Answers -CIS
If permitted by company policy, a CIT may grant an extension of up to how many days -
Answers -90 days
What module is required as a pre req. for IPC 620 CIS certification - Answers -Module
1
CIS retesting may be taken only after a minimum of - Answers -24 hours
What is the correct order of production status - Answers -Design, PCB Fabrication,
Assemly, Cleaning and Coating
The tolerance for magnification aid is - Answers -Plus or Minus 15 (Chapter 1) Page 1-
7
The Manufacturer shall (_1_2_3) have a documented calibration system - Answers -
N1D2D3 - PAGE 1-8
What is a Process Indicator - Answers -A condition that identifies a characteristics that
does not affect the form fit or function of a product- should be monitored
Conditions that are not specified as defective or as a process indicator are considered -
Answers -Acceptable - Page 1-4
Illumination at the surface of workstation should be minimum of - Answers -1000
lm/m^2 or 93 foot candles
A condition that is close to perfect defines what type of condition - Answers -Target
When inspecting a 22 AWG wire the inspection magnification range shall be - Answers
-1.5X-3X - Table 1-1
The criteria defined in IPC-620 reflect three product classes , Class 1, 2, 3 - Answers -
Class 1- General Electronic Products
Class 2- Dedicated Service Electronic Products
Class 3- High Performance/ Harsh Environment Electronic Products
, If insulation thickness is reduced by more than 20%, the condition is _1_2_3 - Answers
-Defect for all classes - Chapter 3 - page 3-9
Damaged wires that do not exceed the limits specified in table 3-1 are considered
_1_2_3 - Answers -A1P2P3 so process indicators for 2 and 3 -Page 3-2
Wire separation that exceeds one strand diameter but does not extend beyond the wire
insulation outside diameter is _1_2_3 - Answers -A1P2D3 Chapter 3 page 3-6
The maximum number of damaged strands for Class 2 wires with 28 strands used at a
potential of 6kV or greater is - Answers -0 - Chapter 3, refer to Table 3-1
Insulation that has been charred, melted into the wire strands and has uneven or
ragged pieces of insulation that is greater than 50% of the outside diameter or 1 mm, is
what for all classes - Answers -Defect
If a wire has 20 strands, the maximum allowable scraped, nicked, or severed strands for
a Class 2 crimp termination is - Answers -3 - Chapter 3 Table 3-1
When twisting a wires in a cable bundle is required, the length of lay for each twist shall
be _ to _ the other diameter of the bundle - Answers -8 to 16 times - Chapter 3 page 3-
7
If the wire strands are kinked, what is it for all classes? - Answers -Defect for all,
chapter 3 page 3-6
Stranded wires used in what three types shall never be tinned? - Answers -1. Crimped
termination
2. Mesh Splices
3. Threaded Fasteners
Chapter 4 page 4-12
A wire not discernible in a pierced terminal solder connection is what for all classes? -
Answers -A1P2P3, Chapter 4 Page 4-37
A part with gold plating thickness that exceeds 2.5 um and has not had the gold
removed from areas to be soldered is what for all classes? - Answers -N1D2D3 -
Chapter 4, page 4-5 / for Solder cups, gold shall only be removed for Class 3 N1N2D3
Solder wicking of wire that inhibits flexibility is what for all classes? - Answers -Defect
for all - Chapter 4 page 4-13
No Clean flux residue on any electrical mating surface is what for all classes? -
Answers -Defect for all - Chapter 4 page 4-7
