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Instrument Tech Nccer Questions! With Correct Answers
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Instrument Tech Nccer Questions! With Correct Answers
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Instrument Tech Nccer Questions! WithCorrect Answers
1) cWhen cis cthe cBEST ctime cto cdocument ceach cloop ccheck cfor ccommissioning c? cA.
cPrior cto cthe cstart cof cinspection c
B. cWhen call ctest cand cinspection cactivities care ccomplete c
C. cWhen cupdating cinformation con ca cdaily cbasis c
D. cAt cthe ctime ceach ctest cis ccompleted c- ccorrect canswers✔✔D. cAt cthe ctime ceach
ctest cis ccompleted c(INST cLVL4)(12410-16/ cSection c3.2.0)
2) cTeflon cpaste cmust cnot cbe cused con c: c
A. cNitrogen cservice c
B. cNatural cgas cservice c
C. cWater cservice c
D. cOxygen cservice c- ccorrect canswers✔✔D. cOxygen cservice c(INST cLVL c1 c)(12109-
14/Section c2.1.1)
3) cA c24VDC cpower csupply cis cnot cworking c. cWith cyour cmultimeter cyou cverify cno
cDC cvoltage c. cOn cthe c120VAC cinput cyou cmeasure c120V cbetween chot cand cground
c, cand c72V cbetween chot cand cneutral c. cWhat cis cthe cmost clikely ccause cof cthis c? c
A. cLost cthe cground c
B. cLost cthe chot c
C. cLost cthe cneutral c
D. cLost cthe cfuse c- ccorrect canswers✔✔C. cLost cthe cneutral
4) cGain cincrease cwhen ctube c: c
A. cBack cbends care cmade c
B. cBend cradius cincreases c
C. cSize cdecreases c
D. cLong cradius celbows care cused c- ccorrect canswers✔✔B. cBend cradius cincreases
c(INST cLVL c2)(12302-15 csection c2.1.1)
5) cA ctemperature cmeasuring cdevice cthat cproduces ca cvoltage cas cthe ctemperature
cchanges cis ca c/ can c: c
A. cRTD c
B. cThermistor c
C. cThermometer c
D. cThermocouple c- ccorrect canswers✔✔D. cThermocouple c(INST cLVL c2) c(12110-15
csection c1.2.2)
6) cA cpressure cpiping ccode cis cfound cin c: c
A. cANSI cB c31.1 c
,B. cNEC c690 c. c
C. cOSHA1910 c. c
D. cISA cS c5.1 c- ccorrect canswers✔✔A. cANSI cB c31.1
7) cWhen cmarking ctubing cfor ccutting c, cthe cpreferred cmethod cis c
A. cScribe ca cmark cinto cthe ctube cwith ca csharp cobject c. c
B. cMark cthe ctube cwith ca cgrease cpencil c
C. cMark cthe ctube cwith ca cfelt ctip cpen c
D. cMark cthe ctube cwith ca ccrayon c- ccorrect canswers✔✔C. cMark cthe ctube cwith ca cfelt
ctip cpen
8) cAn cexample cof cdirect cmeasurement cindicator cis ca c: c
A. cPressure cgauge c
B. cBulb cthermometer c
C. cSight cglass c
D. cFlowmeter c- ccorrect canswers✔✔C. cSight cglass
9) cOn cthe cimage c, chow cmany chand cvalves care cinstalled con cTank c1201C c
A. c1 c
B. c2 c
C. c3 c
D. c4 c- ccorrect canswers✔✔C. c3
10) cWhat cis cthe cfirst cstep cin ctroubleshooting ca cproblem cin ca csystem c? c
A. cTurn coff cpower cto cthe cinstrument c
B. cStimulate can cinput c
C. cVerify cthat cthere cis ca cproblem c
D. cStimulate can coutput c- ccorrect canswers✔✔C. cVerify cthat cthere cis ca cproblem
11) cWhere ccan cthe cappropriate celevation cof can cinstrument cbe cfound c? c
A. cLocation cdrawing c
B. cP c& cID c
C. cFlow cdiagram c
D. cLoop cdrawing c- ccorrect canswers✔✔A. cLocation cdrawing
12) cChemical ccleaning cof ctubing cattached cto cinstruments cmay ccause cdamage cto
csensor c
A. cElectronics c
B. cPaint c
C. cElements c
D. cBolts c- ccorrect canswers✔✔C. cElements
13) cWhen cmaking c90 c- cdegree ctubing cbend c, callowance cfor cspringback cshould cbe
c: cA. c6 cto c8 cdegrees c
B. c4-5 cdegrees c
C. c1 cto c3 cdegrees c
,D. c0 cdegrees c- ccorrect canswers✔✔C. c1 cto c3 cdegrees
14) cCable cshields cshould cbe cconnected cto cthe c: c
A. cSignal cground creference cpoint c
B. cGround cat ceach caccessible clocation c
C. cFirst caccessible cgrounding celectrode c
D. cRaceway cor ccable ctray cin cwhich cthe ccable cis crouted c- ccorrect canswers✔✔B.
cGround cat ceach caccessible clocation
15) cAn cemployee cde cenergizes ca cpiece cof cequipment cby cremoving cthe cpower cplug
cfrom cthe coutlet c. cIf cthe cemployee ccontinues cto chold con cto cthe cpower cplug conce
cremoved c, cthis cemployee cis csaid cto chave cwhat ctype cof ccontrol cover cthe cenergy
cpotential c? c
A. cIsolation ccontrol c
B. cLockout ctagout c
C. cExclusive ccontrol c
D. cRemote ccontrol c- ccorrect canswers✔✔C. cExclusive ccontrol
16) cA ccompressor ckeeps cblowing ca cPSV cfor ctroubleshooting ca ctechnician cshould
cstart clooking cat c
A. cPower cswitch csetting c
B. cPressure cswitch cdeadband c
C. cLevel cswitch csetting c
D. cFloat cswich cdeadband c- ccorrect canswers✔✔B. cPressure cswitch cdeadband
17) cIn cthe cfigure cprovided cthe cpipe cline cthat ccarries cworking cprocess cfluid csuch cas
csteam cwater cor cgas cis clabeled cas c
A. cA c
B. cB c
C. cC c
D. cD c- ccorrect canswers✔✔A. cA
18) cA cheat creactive cdryer cis cproducing cdamp cinstrument cair cwhat ccould cbe ca
csimple cfix c
A. cReplace cdesiccant c
B. cChange cto ca cdifferent cdesiccant c
C. cAdjust cthe ccycle ctime c
D. cAdd ca csecond cset cof cdryers c- ccorrect canswers✔✔C. cAdjust cthe ccycle ctime
19) cType cJ cthermocouple cextension cwire cis c
A. cWhite c& cred c
B. cYellow c& cred c
C. cBlue c& cred c
D. cGreen c& cred c- ccorrect canswers✔✔A. cWhite c& cred
, 20) cWhich cof cthe cfollowing cgases cshould cbe cused cto cpurge ctubing cand cpipe cafter
ccleaning c
A. cargon c
B. cAir c
C. cNitrogen c
D. chelium c- ccorrect canswers✔✔C. cNitrogen
21) cWhen cpressure ctesting c, cthe crequired cdocumentation cincludes c: c
A. cSpecification csheets c
B. cTroubleshooting cflow ccharts c
C. cTemperature c, cpressure c, cand ctest cmedium c
D. cRequired ccorrective cmeasures c- ccorrect canswers✔✔C. cTemperature c, cpressure c,
cand ctest cmedium
22)An cair c- cto c- copen cvalve cuses c
a c: cA. cFail c- cin c- cposition cactuator c
B. cSpring c- cto c- copen cactuator c
C. cDual cspring cactuator c
D. cSpring c- cto c- cclose cactuator c- ccorrect canswers✔✔D. cSpring-to-close cActuator
23) cThe cMOST ccommon cmethod cused cto cmeasure cthe cflow cof cliquid cin ca cpipe cis
cto cintroduce ca crestriction cin cthe cpipe cand cmeasure cthe c: c
A. cVelocity
B. cPressure c
C. cDifferential cpressure c
D. cViscosity c- ccorrect canswers✔✔A. cVelocity
24) cWhat cis cthe cresistance cin cthe ccircuit c? c
A. c50 cohms c
B. c100 cohms c
C. c150 cohms c
D. c200 cohms c- ccorrect canswers✔✔D. c200 cohms
25) cAfter ca cbend cis ccompleted c, call ctubing cwill cexhibit c: c
A. cHardness c
B. cSpringback c
C. cBending cerrors c
Discoloration c- ccorrect canswers✔✔B. cSpringback
26) cWhat cvalve cREQUIRES ca c90 c- cdegree cturn cto coperate cthe cvalve c100 c% copen
cor cclosed c? c
A cGlobe cvalve c
B. cCheck cvalve c
C. cGate cvalve c
D. cBall cvalve c- ccorrect canswers✔✔D. cBall cvalve
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