NCCER INSTRUMENT TECH TEST QUESTIONS WITH CORRECT ANSWERS 2025

NCCER INSTRUMENT TECH TEST QUESTIONS
WITH CORRECT ANSWERS 2025
What is theWfirstWstepWinWtroubleshootingWaWproblemWinWaWsystem?W-WCORRECTWANSWERW-
VerifyWthatWthereWisWaWproblem



WhereWcanWtheWappropriateWelevationWofWanWinstrumentWbeWfound?W-WCORRECTWANSWERW-
LocationWdrawing



ChemicalWcleaningWofWtubingWattachedWtoWinstrumentsWmayWcauseWdamageWtoWsensorW-
WCORRECTWANSWERW-Elements/




WhenWmakingW90-degreeWtubingWbend,WallowanceWforWspringbackWshouldWbe:W-WCORRECTWANSWERW-
1WtoW3Wdegrees



anWacceptableWtoolWgorWmarkingW360WdegreesWaroundWtheWoutsideWotWtubingWIsWa:W-
WCORRECTWANSWERW-Ferrule




WhatWprocessWvariableWisWdefinedWasWtheWamountWofWforceWexertedWbyWaWsubstanceWoverWaWgivenWunitW
ofWmeasure?W-WCORRECTWANSWERW-Pressure



BlorageWofWstadlWwoolWcanWbeWconsideredWaWfireWhazardWwhenWstoredWaroundW-WCORRECTWANSWERW-
Batterles/



TheWMINIMUMWvalueWofWtheWmeasuredWprocessWrangeWisWconsideredWtoWbe:W-WCORRECTWANSWERW-
3psiWandW4ma



bubblerWsystemWisWusedWtoWmeasure:W-WCORRECTWANSWERW-HeadWpressure



ToWpreventWtravelWdamageWtoWaWlimitWswitch,WuseWa(n)W-WCORRECTWANSWERW-MechanicalWstop/



WhenWusingWsoftWrolledWtubing,WitWmustWbeWunrolledWandWstraightened:W-WCORRECTWANSWERW-ByWhand

, WhereWwouldWanWinstrumentWfitterWfindWtheWPROPERWmethodWtoWconnectWanWinstrumentWtoWaWprocess
Wtap?W-WCORRECTWANSWERW-OnWanWinstallationWdetail




AWstrainWgaugeWmeasuresWtheWexternalWforceWappliedWtoWaWfineWwireWbyWcausingWaWchangeWinW-
WCORRECTWANSWERW-Resistance




WhichWofWtheWfollowingWpurgingWgasesWshouldWbeWavoidedWforWuseWwithWhydrocarbons?W-
WCORRECTWANSWERW-Oxygen




AWdifferentialWpressureWtransmitterWmountedWonWaWnon-ventedWvesselWisWusedWtoWmeasureWtheW-
WCORRECTWANSWERW-DensityWofWtheWproductWinWtheWvessel?




ConvertWtheWlengthW2'W10-3/4"WtoWitsWdecimalWequivalentW(inWfeet).W-WCORRECTWANSWERW-2.896



FlowWcanWbeWdescribedWinWunitsWofWallWofWtheWfollowingWEXCEPT:W-WCORRECTWANSWERW-Density



WhenWpressureWtesting,WtheWrequiredWdocumentationWincludes:W-WCORRECTWANSWERW-
Temperature,Wpressure,WandWtestWmedium



TheWMOSTWcommonWmethodWusedWtoWmeasureWtheWflowWofWliguidWinWaWpipeWisWtoWintroduceWaWrestricti
onWInWtheWpipWandWmeasureWthe:W-WCORRECTWANSWERW-Velocity



AfteriaWbendWisWcompleted,WallWtubingWwillWexhibit;W-WCORRECTWANSWERW-Springback



WhatWvalve,WREQUIRESWaW90-degreeWturnWtoWoperateWtheWvalveW100%WopenWorWclosed?W-
WCORRECTWANSWERW-BallWvalve/




WhereWisWtheWdrainWwireWterminaledWinWinstrumentWsystem?W-WCORRECTWANSWERW-
AtWtheWcontrolWcabinet.