77.
Increasing the pressure on the carbon pile ends
a.
increases its resistance.
b.
decreases its resistance.
c.
decreases current flow.
78.
The contact screw on the carbon pile sets the
a.
minimum resistance.
b.
maximum resistance.
c.
minimum current.
79.
The purpose of the capacitor assembly is to
a.
stabilize the line voltage.
b.
suppress radio interference.
c.
protect the battery.
80.
What is the purpose of a diode shunt across the relay coil?
a.
Protects the relay
b.
Stabilizes the regulator
c.
Bypasses voltage transients
81.
The purpose of the reverse polarity diode is to
a.
bypass voltage transients.
b.
prevent relay closing with wrong polarity.
c.
protect relay from reverse polarity.
82.
During bench testing a positive (+) battery lead is connected to C and the
negative (-) lead to F male pins. What is being checked?
a.
Load relay (line switch)
b.
Reverse polarity diode
c.
Feed-through capacitor
83.
After bench testing, an operational test is performed on the test stand.
The
regulator does not adjust for proper output voltage. What is the most
probable trouble?
a.
Load relay (line switch)
b.
Reverse diode
c.
Regulator circuit board
84.
In the test stand performance check, the regulator lead from the ignition
switch is moved to J1 on the DC power supply. This is to check the
a.
load relay (line switch).
b.
regulator circuit board.
c.
reverse diode.
85.
In the test stand performance check, the regulator is adjusted for a 28-volt
output voltage. For an operational regulator, what is a normal indication as
the load is increased? An increasing load current with
a.
an increasing output voltage.
b.
a reduced output voltage.
c.
a stable output voltage.
OS 010, 5-P12
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