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CWEA E1 Study Set Questions And Answers All Verified

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CWEA E1 Study Set Questions And Answers All Verified Confined Space - ANS A space that: -is large enough to enter and work. -has limited or restricted means for entry. -is not designed for continuous occupancy. Hot Work Permit - ANS An employer's written authorization to perform work...

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  • October 2, 2023
  • 9
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • CWEA E1
  • CWEA E1

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CWEA
E1
Study
Set
Confined
Space
-
ANS
A
space
that:
-is
large
enough
to
enter
and
work.
-has
limited
or
restricted
means
for
entry.
-is
not
designed
for
continuous
occupancy.
Hot
Work
Permit
-
ANS
An
employer's
written
authorization
to
perform
work
capable
of
providing
a
source
of
ignition.
Inerting
-
ANS
A
form
of
purging
or
ventilating
a
confined
space
where
an
inert
gas
(such
as
nitrogen,
carbon
dioxide
or
argon)
is
used
to
displace
the
atmosphere
in
a
confined
space
to
remove
fire
or
explosion
hazards.
Causes
oxygen
levels
to
become
unstable
for
re-entry.
Oxygen
Safe
Zone
-
ANS
19.5%
to
23.5%
Below
19.5=unsafe
for
breathing
Above
23.5=explosive
Leader
Line
-
ANS
The
part
or
area
of
a
drawing
to
which
a
number,
note
or
other
reference
applies.
They
are
solid
lines
and
usually
terminate
in
a
single
arrowhead.
Hydraulic
Term:
"Resistance"
-
ANS
A
construction
in
the
bore
of
the
pipe
which
requires
more
pressure
to
pass
the
same
amount
of
water.
Hydraulic
Term:
"Voltage"
(Assume
water
is
flowing
horizontally
so
gravity
isn't
a
factor)
-
ANS
Electric
potential
is
equivalent
to
pressure
and
the
voltage
(or
voltage
drop/potential
difference)
is
the
difference
in
pressure
between
two
points.
Hydraulic
Term:
"Current"
-
ANS
Equivalent
to
a
hydraulic
volume
flow
rate;
that
is
the
volumetric
quantity
of
flowing
water
over
time.
Ohm's
Law
-
ANS
Current
through
a
conductor
between
two
points
is
directly
proportional
to
the
voltage
across
the
two
points.
S.O.P.
-
ANS
Standard
operating
procedure.
N.E.C.
-
ANS
National
Electrical
Code. N.F.P.A.
-
ANS
National
Fire
Protection
Association
NPT
-
ANS
National
pipe
thread.
Tapered
pipe.
Compound
Gauge
-
ANS
Displays
negative
AND
positive
pressure
measurements
Cat1
Meter
-
ANS
Measures
electronics
Cat2
Meter
-
ANS
Measures
single-phase
receptacles.
Cat3
Meter
-
ANS
Measures
3
phase
distribution
and
single
phase
lighting
equipment.
Cat4
Meter
-
ANS
Measures
3
phase
at
utility
connection
and
any
outdoor
connections.
L.O.T.O.
-
ANS
Lock
out
tag
out
is
an
osha
regulation.
3
elements
needed
to
start
a
fire.
-
ANS
Heat,
oxygen
and
fuel.
Class
C
fire.
-
ANS
Electrical
fire
What
is
Rust
-
ANS
Combination
of
water,
oxygen
and
iron.
Micrometer
Torque
Wrench
does
what
when
setting
is
reached?
-
ANS
Clicks.
V.F.D.
-
ANS
Variable
frequency
drive
used
for
AC
motor
speed
in
hertz.
Bourdon
Tube
Gauge
shape
-
ANS
C
shaped.
1
PSI
=
?
feet
of
water.
-
ANS
2.31
Partial
Flume
-
ANS
A
device
used
to
measure
the
flow
in
an
open
channel.
The
flume
narrows
to
a
throat
of
fixed
dimensions
and
then
expands
again.
The
rate
of
flow
can
be
calculated
by
measuring
the
difference
in
head
(pressure)
before
and
at
the
throat
of
the
flume.
Measuring
at
sea
level
and
8000'
does
an
O2
sensor
need
recalibration.
-
ANS
Yes,
because
of
pressure
difference.
Hysteresis
-
ANS
Input
ascending
and
descending
Turbine
Flow
Meters
provide
what
kind
of
signal?
-
ANS
Provide
a
frequency
or
pulse
output
signal

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