CWEA Collections System Maintenance Grade 3 questions and answers.

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CWEA Collections System Maintenance
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Grade 3 questions and answers.
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A xFlagger xshould

xStand?
x
A. xOn xthe xshoulder xadjacent xto xtraffic xbeing
xcontrolled
x
B. xIn xthe xclosed xlane xbefore xstopping xvehicle
xtraffic
x
C. xIn xthe xtraffic
xlane.


D. xAs xstated xin x"A" xor x"B" xabove. x- xcorrect xanswers.D. xAs xstated xin x"A" xor x"B"
xabove.
x

Legally xresponsible xofficials xare xrequired xto xreport xcategory x1 xsanitary xsewer
xoverflows? x

A. Within x30 xdays x
B. Before xend xof xthe xday x
C. As xsoon xas xpossible x
D. Within x2 xhours x- xcorrect xanswers.D. xWithin x2 xhours x
x

When xworking xin xconfined xspaces xor xsewers, xwhat xform xof xlighting xwould xyou
xuse? xA. xMirrors xto xdirect xthe xsunlight xor xexplosion xproof xlighting. x

B. Ordinary xelectric xlights x
C. Propane, xGas, xor xkerosene xlanterns x
D. Special xmatches x- xcorrect xanswers.A. xMirrors xto xdirect xthe xsunlight xor xexplosion
xproof x

lighting. x
x

What xcan xhappen xif xwater-based xsubstances xare xused xto xextinguish xelectrical xfires? x
a. Nothing xbut xextinguish xthe xfire x x
b. The xfumes xare xnot xharmful x x
c. Receive xan xelectrical xshock x x

,d. They xwill xcorrode xthe xelectrical xcontacts x- xcorrect xanswers.c. xReceive xan xelectrical
xshock x
x

When xtesting xa xmanhole xfor xexplosive xgases xwhen xshould xthe xfirst xtests xbe
xmade? xa. xAfter xremoving xthe xmanhole xcover x x

b. Before xremoving xthe xmanhole xcover x x
c. At xany xtime x x
d. After xventilation x- xcorrect xanswers.b. xBefore xremoving xthe xmanhole xcover x
x
x
Atmospheric xhazards xencountered xin xmanholes xcan
xinclude:
x x
a. xnon-explosive

xatmospheres.
x x
b. xnon-toxic

xatmosphere.
x x
c. xlack xof

xoxygen.


d. xnon-flammable xatmospheres. x- xcorrect xanswers.c. xlack xof
xoxygen.
x

When xsetting xup xto xventilate xa xmanhole, xthe xair xinlet xshould xbe xhow xmany xfeet
xabove x
x
street
xlevel?
x
a. x4.0
x
x
b. x3.0x x
x

c.
x2.0
x
d. x1.0 x- xcorrect xanswers.c.
x2.0
x

Which xchemical xmay xbe xused xfor xodor xcontrol xin xa xsewer
xsystem?
x x
a. xCalcium x
x
xchloride


b. Hydrogen
xperoxide x

c. Oxidized
xaluminum x
x
d. xSodium xchloride x- xcorrect xanswers.b. xHydrogen
xperoxide
x

, What xinformation xmust xbe xon xa xwarning xtag xattached xto xa xswitch xthat xhas xbeen
xlocked xout? x

a. Directions xfor xremoving xtag. x x
b. Name xof xnearest xphysician xto xcall xin xcase xof xemergency. x x
c. Signature xof xperson xwho xlocked xout xswitch xand xwho xis xthe xonly xperson
xauthorized xto xremove xtag. x x

d. Time xto xunlock xswitch. x- xcorrect xanswers.c. xSignature xof xperson xwho xlocked xout
xswitch xand xwho xis xthe xonly xperson xauthorized xto xremove xtag. x
x

Under xwhat xconditions xmust xeach xmember xof xthe xrescue xservice xpractice xpermit
xspace xrescues? x

a. At xleast xonce xa xyear xin xa xsimulated xsituation xor xby xthe xsatisfactory xperformance
xof xan xactual xrescue. x x

b. At xleast xtwice xa xyear xin xsimulated xsituations. x
c. At xleast xonce xa xyear xin xsimulated xsituation xusing xnon-representative xspace
xconditions x x

d. xAt xleast xfour xtimes xa xyear. x- xcorrect xanswers.a. xAt xleast xonce xa xyear xin xa
xsimulated x
x
situation xor xby xthe xsatisfactory xperformance xof xan xactual
xrescue.
x

How xis xa xpermit-required xspace xdescribed? x
a. Has xor xmay xcontain xatmospheric, xengulfment, xdesign, xor xother xserious
xhealth/safety xhazard. x

b. Is xlarge xenough xto xenter xand xwork xin xand xis xmeant xfor xcontinuous xoccupancy. x x
c. Is xlarge xenough xto xenter xand xwork xin xand xhas xan xunrestricted xentry/exit. x x
d. Never xcontains xan xatmospheric xor xengulfment xhazard. x- xcorrect xanswers.a. xHas xor
xmay xcontain xatmospheric, xengulfment, xdesign, xor xother xserious xhealth/safety

xhazard. x
x

What xare xthe xthree xduties xof xpersonnel xin xa xConfined xSpace
xentry? xa. xAuthorized xentrants, xparking xattendants, xentry

xsupervisors. x x

b. Unauthorized xentrants, xattendants, xentry xsupervisors. x x
c. Authorized xentrants, xattendants, xentry xsupervisors. x x
d. Authorized xentrants, xattendants, xevening xsupervisors x- xcorrect xanswers.c.
xAuthorized xentrants, xattendants, xentry xsupervisors. x
x

What xis xan ximportant xelement xof xhydrogen xsulfide
xproduction? xa. xFlow xvelocity. x x

b. Pipe xmaterials. x x
c. Amount xof xodor xpresent. x x
d. Amount xof xinorganic xmaterials. x- xcorrect xanswers.a. xFlow xvelocity. x
x

Which xof xthe xfollowing xis xthe xmost xcommon xfactor xleading xto xthe xgeneration xof
xhydrogen x