CWEA E1 Study Set questions and answers well illustrated.

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CWEA E1 Study Set questions and answers
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well illustrated.x x x

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Confined xSpace x- xcorrect xanswers.A xspace xthat: x
-is xlarge xenough xto xenter xand xwork. x
-has xlimited xor xrestricted xmeans xfor xentry. x
-is xnot xdesigned xfor xcontinuous xoccupancy. x
x

Hot xWork xPermit x- xcorrect xanswers.An xemployer's xwritten xauthorization xto xperform
xwork x
x
capable xof xproviding xa xsource xof
xignition.
x

Inerting x- xcorrect xanswers.A xform xof xpurging xor xventilating xa xconfined xspace xwhere
xan xinert xgas x(such xas xnitrogen, xcarbon xdioxide xor xargon) xis xused xto xdisplace xthe

xatmosphere xin xa xconfined xspace xto xremove xfire xor xexplosion xhazards. xCauses

xoxygen xlevels xto xbecome xunstable xfor xre-entry. x
x

Oxygen xSafe xZone x- xcorrect xanswers.19.5% xto
x23.5%
x
Below x19.5=unsafe xfor

xbreathing
x
Above
x23.5=explosive
x

Leader xLine x- xcorrect xanswers.The xpart xor xarea xof xa xdrawing xto xwhich xa xnumber,
xnote xor x
x
other xreference xapplies. xThey xare xsolid xlines xand xusually xterminate xin xa
xsingle
x
arrowhead.
x

Hydraulic xTerm: x
"Resistance" x- xcorrect xanswers.A xconstruction xin xthe xbore xof xthe xpipe xwhich xrequires
xmore xpressure xto xpass xthe xsame xamount xof xwater. x
x

Hydraulic xTerm: x
"Voltage" x

, (Assume xwater xis xflowing xhorizontally xso xgravity xisn't xa xfactor) x- xcorrect
xanswers.Electric xpotential xis xequivalent xto xpressure xand xthe xvoltage x(or xvoltage

xdrop/potential xdifference) xis xthe xdifference xin xpressure xbetween xtwo xpoints. x
x

Hydraulic xTerm: x
"Current" x- xcorrect xanswers.Equivalent xto xa xhydraulic xvolume xflow xrate; xthat xis xthe
xvolumetric xquantity xof xflowing xwater xover xtime. x
x

Ohm's xLaw x- xcorrect xanswers.Current xthrough xa xconductor xbetween xtwo xpoints xis
xdirectly x
x
proportional xto xthe xvoltage xacross xthe xtwo
xpoints.
x

S.O.P. x- xcorrect xanswers.Standard xoperating xprocedure. x
x

N.E.C. x- xcorrect xanswers.National xElectrical xCode. x
x

N.F.P.A. x- xcorrect xanswers.National xFire xProtection xAssociation x
x

NPT x- xcorrect xanswers.National xpipe xthread. xTapered xpipe. x
x

Compound xGauge x- xcorrect xanswers.Displays xnegative xAND xpositive
xpressure x
x
measurements
x

Cat1 xMeter x- xcorrect xanswers.Measures xelectronics x
x

Cat2 xMeter x- xcorrect xanswers.Measures xsingle-phase xreceptacles. x
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Cat3 xMeter x- xcorrect xanswers.Measures x3 xphase xdistribution xand xsingle xphase
xlighting x
x
equipment.
x

Cat4 xMeter x- xcorrect xanswers.Measures x3 xphase xat xutility xconnection xand xany
xoutdoor x
x
connections.
x

L.O.T.O. x- xcorrect xanswers.Lock xout xtag xout xis xan xosha xregulation. x
x

3 xelements xneeded xto xstart xa xfire. x- xcorrect xanswers.Heat, xoxygen xand xfuel. x
x

Class xC xfire. x- xcorrect xanswers.Electrical xfire x
x

What xis xRust x- xcorrect xanswers.Combination xof xwater, xoxygen xand xiron. x
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Micrometer xTorque xWrench xdoes xwhat xwhen xsetting xis xreached? x-
xcorrect x
x
answers.Clicks.
x

V.F.D. x- xcorrect xanswers.Variable xfrequency xdrive xused xfor xAC xmotor xspeed xin xhertz. x
x

Bourdon xTube xGauge xshape x- xcorrect xanswers.C xshaped. x
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