WITH ANSWERS NEW MODIFIED EXAM
GRADED A+
A crimp connection may look okay after crimping, but should be
tested for continuity because:
Select one:
a. Crimps may look correct, but be intermittently failing.
b. power may not be getting to your system if either of your crimps in
Slot 1 or Slot 2 are faulty.
c. crimping process takes a few tries to become proficient.
d. All of these are true. --ANSWER--d. All of these are true.
Polarized capacitors usually have what two features that indicate
polarity?
Select one:
a. Both these features indicate polarity.
b. A negative stripe along the body near the cathode lead.
c. A longer lead which indicates the positive (anode). --ANSWER--a.
Both these features indicate polarity.
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,Which components MUST be inserted and soldered flush to the PCB
to work correctly?
Select one:
a. Resistors
b. Male headers that engage with Arduino
c. Capacitors
d. voltage regulator IC --ANSWER--b. Male headers that engage with
Arduino
What length of wire insulation is stripped off to prepare for crimping?
Select one:
a. 1/4 inch
b. 1/8 inch
c. it doesn't really matter
d. 1/2 inch --ANSWER--b. 1/8 inch
Which component must be inserted flush (1 mm) to the PCB to
receive maximum points?
Select one:
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, a. resistor
b. small disc-shaped capacitor
c. voltage regulator
d. All choices --ANSWER--a. resistor
What are the straight yellow lines connecting devices on your board
layout?
Select one:
a. Net connections
b. Traces
c. Air wires
d. Ratsnest --ANSWER--c. Air wires
What is a footprint in Eagle software?
Select one:
a. It defines the electrical function of the circuit component.
b. It defines the physical dimensions of the circuit component and
locates for pads or through-holes.
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