Elenco Electronic Component Kit - Manual (Page 25)

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MECHANICAL PARTS
SELF TEST
1. Copper patterns on a Printed Circuit Board should
always be:
a) As thin as possible c) Rounded
b) Sharp and square d) On one side only
2. The distance between conductors on a printed circuit
should be large enough to:
a) Etch easily c) Clean
b) Solder across d) Prevent voltage
breakdown
3. The top legend shows:
a) Copper path c) Schematic
b) Part placement d) Hole numbers
4. The schematic shows:
a) Part placement c) Hole sizes
b) Copper path d) Electrical connections
5. The material the copper is glued to on a printed circuit
board is called a:
a) Conductor c) Resistor
b) Semiconductor d) Insulator
6. Solder with the lowest melting point has a ratio of tin
to lead of:
a) 63/37 c) 40/60
b) 60/40 d) 37/63
7. Solder made for electronic parts has a:
a) Hollow Core c) Acid Core
b) Rosin Core d) No Core
8. The type of screw NOT mentioned in this course is:
a) Sheet Metal c) Round Head
b) Machine d) Self-threading
THEORY
Circle the letter that best fits the description.
PRACTICE
Open the Mechanical bag and answer the following questions.
EXTRA CREDIT
What is the function of the mechanical part(s) included in the bag that were not mentioned in the instruction
sheets?
How many of the following parts were in the mechanical bag?
Switches ______ Female PC Board Connectors ______ Male PC Board Connectors ______
Earphone Jacks ______ Wire Nuts ______ Spacers ______ Round Head Screws ______
Pan Head Screws ______ Flat Head Screws ______
Self-threading Screws ______ Sheet Metal Screws ______