nn nn nn nn nn nn
Chapter 13 Hose Operations And Hose
nn nn nn nn nn nn
Streams Actual Exam
nn
nn
nn nn nn
nn
nn
nn
What nntype nnof nnhose nnstream nnhas nnthe nnlowest nnforward nnvelocity? nn
nn
nn
A. nnSolid
nnstream
nn
B. nnStraight
nnstream
nn
C. nnWide-angle nnfog
nnstream
D. nnNarrow-angle nnfog nnstream nn- nnCORRECT nnANSWER-C. nnWide-angle nnfog
nnstream
nn
Chapter nn13 nn- nnpage nn624 nn
nn
A nnhose nnfitting nnused nnto nnconnect nna nnsmaller-diameter nnhose nnline nnto nnthe nnend nnof nna
nnlarger nnone nnis nn
nn
commonly nncalled
nna(n):
nn
A. Wye nn
B. Adapter nn
C. Reducer nn
D. Water nnthief nn- nnCORRECT nnANSWER-C. nnReducer nn
nn
Chapter nn13 nn- nnpage nn601 nn
nn
What nnstatement nnabout nndry-barrel nnhydrants nnis nntrue? nn
nn
A. Horizontal nncompression nnvalves nnare nnusually nnat nneach nnoutlet nn
B. They nncan nnonly nnbe nnused nnwith nnpumpers nnthat nnhave nndrafting nncapabilities nn
C. The nnstem nnnut nnused nnto nnopen nnand nnclose nnthe nncontrol nnvalve nnis nnon nntop nnof nnthe
nnhydrant nnD. nnThey nnare nnall nndesigned nnfor nnuse nnin nnclimates nnthat nndo nnnot
nnexperience nnfreezing nntemperatures nn- nnCORRECT nnANSWER-C. nnThe nnstem nnnut
nnused nnto nnopen nnand nnclose nnthe nncontrol nnvalve nnis nnon nntop nnof nnthe nnhydrant nn
nn
Chapter nn13 nn- nnpage nn588 nn
nn
When nna nndry-barrel nnhydrant nnis nnopen nnand nnthere nnis nna nnbroken nncomponent nnin
nnthe nnhydrant nn
nn
barrel, nnyou nnwould
nnsee:
nn
, nn
A. nnWater nndischarging nnonly nnfrom
nnthe nnlargest nnoutlet
nn
B. nnWater nnbubbling nnup nnout nnof nnthe
nnground nnat nnthe nnbase
C. nnStreams nnof nnwater nnshooting nnfrom nnthe
nnsteamer nnconnection
D. nnA nnsucking nneffect nnthat nncan nnbe nnheard nnfrom nnthe
nndischarge nnoutlets nn- nnCORRECT nn
nn
ANSWER-B. nnWater nnbubbling nnup nnout nnof nnthe
nnground nnat nnthe nnbase
nn
Chapter nn13 nn- nnpage nn589 nn
nn
What nnis nna nnconsideration nnfor nnopening nnwet-barrel nnand nndry-barrel nnhydrants? nn
nn
A. The nnbarrels nnof nnall nnhydrants nnshould nnbe nndrained nnsufficiently nnwhen nnnot nnin
nnuse nn
B. All nnhydrants nnshould nnbe nnopened nnslowly, nnbut nncan nnbe nnclosed nnquickly nnif
nnnecessary nnC. nnClosing nna nnhydrants nntoo nnquickly nncan nndamage nnpiping nnand
nnappliances nnof nnadjacent nnresidences nn
D. nnAs nnthe nnmain nnvalve nnmoves nnup, nna nndrain nnvalve nnis nnopened nnto nnallow nnwater nnto
nndrain nnfrom nnthe nnbarrel nn- nnCORRECT nnANSWER-C. nnClosing nna nnhydrants nntoo
nnquickly nncan nndamage nnpiping nnand nnappliances nnof nnadjacent nnresidences nn
nn
Chapter nn13 nn- nnpage nn592 nn
nn
What nntype nnof nnstream nnis nndesigned nnfor nnuse nnin nnattics, nncocklofts, nnbasements,
nnand nnother nn
nn
confined
nnspaces?
nn
A. Fog nn
B. Solid nn
C. Broken nn
D. Straight nn- nnCORRECT nnANSWER-C. nnBroken nn
nn
Chapter nn13 nn- nnpage nn624 nn
nn
What nnhydrant nndischarge nnoutlets nnare nnconsidered nnstandard? nn
nn
A. At nnleast nnthree nnhose nnoutlets nnof nnany nnsize nn
B. At nnleast nntwo nnhose nnoutlets nnfor nn2 nn1/2'' nncouplings nn
C. At nnleast nntwo nnlarge nnoutlets nnoften nnreferred nnto nnas nnsteamer nnconnections nn
D. At nnleast nnone nnlarge nnoutlet nn(4'' nnor nn4 nn1/2'') nnand nntwo nnhose nnoutlets nnfor nn2 nn1/2''
nncouplings nn- nn
CORRECT nnANSWER-D. nnAt nnleast nnone nnlarge nnoutlet nn(4'' nnor nn4 nn1/2'') nnand nntwo
nnhose nnoutlets nnfor nn2 nn1/2'' nncouplings nn
nn
, Chapter nn13 nn- nnpage nn588 nn
nn
What nntype nnof nnvalve nnis nnused nnto nncontrol nnthe nnflow nnfrom nna nnhydrant? nn
nn
A. Ball nnvalve nn
B. Gate nnvalve nn
C. Clapper nnvalve nn
D. Butterfly nnvalve nn- nnCORRECT nnANSWER-B. nnGate nnvalve nn
nn
Chapter nn13 nn- nnpage nn600 nn
Swimming nnpools, nnlarge nnabove-ground nnanimal nnwater nntanks, nnand nnportable nnwater
nntanks nnare nn
nn
considered nnto
nnbe:
nn
A. Static nnwater nnsources nn
B. Temporary nndrop nnsites nn
C. Inadequate nnsources nnfor nndrafting nnoperations nn
D. Access nnpoints nnon nnwater nndistribution nnsystems nn- nnCORRECT nnANSWER-A. nnStatic
nnwater nnsources nn
nn
Chapter nn13 nn- nnpage nn595 nn
nn
The nnvelocity nnof nna nnstream nnof nnwater nnfrom nna nnsmooth nnbore nnnozzle nnis nna nnresult nnof:
nn
nn
A. Hose nndiameter nn
B. Pump nnpressure nn
C. Nozzle nnpressure nn
D. Volume nnof nnwater nn- nnCORRECT nnANSWER-C. nnNozzle nnpressure nn
nn
Chapter nn13 nn- nnpage nn615 nn
nn
What nntype nnof nnvalve nnis nnused nnon nnlarge nnpump nnintakes nnand nnincorporates nna
nnflat nnbaffle nnthat nn
nn
turns nn90
nndegrees?
nn
A. Ball nnvalve nn
B. Gate nnvalve nn
C. Clapper nnvalve nn
D. Butterfly nnvalve nn- nnCORRECT nnANSWER-D. nnButterfly nnvalve nn
nn
Chapter nn13 nn- nnpage nn600 nn
nn
What nnis nnthe nnprimary nnadvantage nnof nna nnnozzle nnthat nnuses nna nnslide nnvalve? nn
nn
A. Does nnnot nncause nnturbulence nn
B. Has nnno nnrisk nnof nnwater nnhammer nn
C. Can nnbe nnoperated nnat nnhigh nnpressure nn