18. The pentode tube element that performs approximately the same
function as the beam-forming plates in a beam power tube is called a
a.
plate.
c.
screen grid.
b.
cathode.
d.
suppressor grid.
19. The pentagrid converter tube shown in figure 90 of TM 11-662 is
a heptode that can be considered to be made up of two smaller tubes.
These two tubes are a
a.
pentode and a diode.
b.
pentode and a hexode.
c.
triode and tetrode.
d.
triode and a beam power tube.
20. A multiunit tube houses the electrodes for two or more tubes
inside one envelope.
Of the four multiunit tube symbols shown in
figure 4-2, which is the symbol for a triode-pentode tube?
a.
A
c.
C
b.
B
d.
D
Figure 4-2.
Four multiunit tube symbols.
HOLD
ALL
TEXTS
AND
MATERIALS
FOR
USE
WITH
EXAMINATION
AND
SS0312.
164
Previous Page
