19.
A great deal of care should be taken when handling a magnetron magnet,
so that
a.
the magnetron will not require aging when installed in a radar
set.
b.
the magnetron will not be pulled off frequency.
c.
its field strength will not be reduced.
d.
tools will not become magnetized.
20.
If the RF output of a magnetron is pulled off frequency, the probable
cause of the trouble is
a.
a dented section of waveguide.
b.
a distorted modulator pulse.
c.
an unstable timing trigger.
d.
a weak magnetic field.
Check your answers with lesson 3 Solution Sheet.
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