Elen142 Fabrication II Exam Quiz!
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Do you know what Elen142 Fabrication is? Could you pass this quiz? Be prepared to answer questions about solder and flux and for what they are used. Are soldering and welding the same thing? What is the solder's composition, and of what is the core of a soldering iron tip made? This quiz has been engineered for you to learn about fabricating Elen142. Give it a shot.
- 1.A wire connected to a turret post must be wrapped a minimum of ______ degrees around the post.
- A.
90
- B.
180
- C.
270
- D.
360
- 2.A wire should be tinned before it is wrapped around a turret post.
- A.
True
- B.
False
- 3.A wire connected to a turret post must be wrapped a maximum of ______ degrees around the post.
- A.
90
- B.
180
- C.
270
- D.
360
- 4.The outline of a wire soldered to a turret post should not be discernible.
- A.
True
- B.
False
- 5.The core of a soldering iron tip is usually constructed from:
- A.
Copper
- B.
Zinc
- C.
Iron
- D.
Nickel
- 6.Corrosive, acid-paste flux can be suitable for use on printed circuit board assemblies.
- A.
True
- B.
False
- 7.Rosin-based fluxes are inactive at room temperature.
- A.
True
- B.
False
- 8.Solder composed of 99.3% Tin and 0.6% Copper is commonly known as:
- 9.Solder composed of 96.5% Tin, 3% Silver, and 0.5% Copper is commonly known as:
- 10.A solder wire labeled as "60/40" would be made up of:
- A.
60% Copper, 40% Lead
- B.
60% Lead, 40% Tin
- C.
60% Tin, 40% Lead
- 11.The three most common leaded solder alloys are:
- A.
SAC305, SN100, AG27
- B.
30/20, 10/90, 80/20
- C.
60/40, 63/37, 50/50
- 12.During the soldering process, the copper and solder combine to form a new alloy.
- A.
True
- B.
False
- 13.During the soldering process, the connection is brought to ____º C above the melting point of the solder for 2-5 Seconds
- 14.Reference designators always start with a letter.
- A.
True
- B.
False
- 15.In a block diagram, off-board components should be enclosed in a box made out of ___________ lines.
- 16.A wire list should include:
- A.
Node Number, Net Name, Pin Number, Pin Name, Pin Type, Part Value
- B.
Net Number, Net Name, Net Connections
- C.
Price, Size, and Shape
- 17.The process in which an intermetallic bond is formed between the metals comprising the component termination and the PCB pad.
- A.
Intermetallic Bonding
- B.
The Wedding Action!
- C.
The Wetting Action!
- D.
Welding
- 18.Soldering is like welding
- A.
Fuck Yes!
- B.
Depends who you talk to...
- C.
No - It's like gluing. Don't you know anything?
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