3-62.
What components help reduce
vibration in the operating
purifier?
1.
Four vertical springs
2.
Six vertical springs
3.
Four horizontal springs
4.
Six horizontal springs
3-63.
If the bowl of the purifier is
rotating at 4100 rpm, what should
the rpm of the speed counter be?
1.
100 to 130
2.
146 to 150
3.
41
4.
410
3-64.
What force or device moves the oil
in the oil lubrication compartment
to supply lubricating oil to the
bearings and gears?
1.
An oil pump
2.
The worm wheel gear
3.
A flinger ring
4.
A slinger
3-65.
What parts of the tubular shaft
keep it off the bowl shell and give
circular motion to the feed inlet
liquid?
1.
6 outer slots
2.
12 outer holes
3.
12 inner spacers
4.
3 unequal pins
3-66.
How are the holes in the
intermediate disks aligned
vertically in the bowl shell?
1.
The notch on the inward lip at
the top of each disk interlocks
with the key on the tubular
shaft
2.
The notch on the outer lip at
the bottom of each disk
interlocks on the tubular shaft
3.
The notch on the top on each
disk is interlocked with a key
on the feed tube assembly
4.
The notch at the top of the
tubular shaft interlocks with a
key on each disk
3-67.
3-68.
3-69.
3-70.
3-71.
What is the normal number of
intermediate disks in the disk
stack?
1.
127
2.
145
3.
147
4.
150
Which of the following is the only
disk not having holes around its
base?
1.
Disk #1
2.
Disk #127
3.
Bottom disk
4.
Top disk
Which disk provides a rotating
casing for the centripetal pump?
1. Top disk
2. Coupling disk
3. Intermediate disk
4. Paring disk
The disk stack is compressed to the
correct tension by tightening the
1.
spindle nut
2.
coupling nut
3.
coupling ring
4.
discharge ring
What unique characteristic does the
feed tube assembly, coupling ring,
and coupling nut all have?
1.
Light in weight
2.
Each has a serial number to
match it to a specific purifier
3. Left-handed threads
4.
Right-handed threads
22