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WARP
COUNT:
Number
of
warp
threads
per
inch
width.
WARP
SATEEN:
The
face
of
the
cloth
having
the
warp
yarns
floating
over
the
filling
yarns,
and
being
greater
in
number
than
the
filling
yarns.
WARP
THREAD:
Yarn
or
threads
in
a
fabric
running
lengthwise.
WARP
YARNS:
Yarn
in
a
fabric
running
lengthwise.
WATER
GAUGE:
Inches
water
is
a
pressure
term
defined
as
a
pressure
equal
to
that
exerted
by
a
column
of
water
of
the
same
height.
27.7”
WG
equals
1
PSI.
WATT:
A
unit
of
power.
In
electrical
terms,
the
product
of
voltage
and
amperage.
746
watts
are
equal
to
one
horsepower.
WEAVE:
The
pattern
of
weaving,
such
as
plain
twill,
satin,
etc.
WET-BULB
DEPRESSION:
The
difference
between
the
dry-bulb
and
wet-bulb
temperatures
at
the
same
location.
WET-BULB
TEMPERATURE:
The
temperature
of
a
gas
stream
taken
with
a
wetted
thermometer.
It
is
approximately
equal
to
the
adiabatic
saturation
temperature
of
the
gas.
WET
COLLECTOR:
Dust
collector
that
uses
water
to
remove
particulate
matter
from
the
exhaust
gas
(wet
washers,
venturis,
wet
fans).
WG:
Water
guage.
See
Inch
of
Water.
WOVEN
CLOTH
BAG:
A
bag
made
of
woven
material,
similar
to
normal
cloth.
Used
in
repressuring
and
shaker
baghousees.
WR2:
The
unit
designation
of
fan
wheel
rotational
inertia
in
lb-ft2
also
know
as
WK2.
WRAPPER:
Used
in
electrostatic
precipitators,
the
light
gauge
steel
or
aluminum
covering
put
over
insulation.
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