INSTRUMENT TECH V4 TEST QUESTIONS VERSION 1 WITH CORRECT ANSWERS 2025

INSTRUMENT TECH V4 TEST QUESTIONS
VERSION 1 WITH CORRECT ANSWERS 2025
AWTechnologyWbypassingWconventionalWI/OWbyWusingWdirectWcommunicationsWbetweenWsmartWfieldWdevic
esWandWassociatedWcontrolWprocessorsWis:W-WCORRECTWANSWERW-Fieldbus.



RedundantWcontrollersWinWaWdistributedWcontrolWsystemWreside:W-WCORRECTWANSWERW-
AsWaWhotWstandbyWatWtheWcentralWprocessor.



TheWultimateWperiodWmethodWforWtuningWaWcontrollerWwasWfirstWproposedWby:W-WCORRECTWANSWERW-
ZieglerWandWNichols.



OneWmethodWofWoxygenWanalysisWfocusesWonWthe:W-WCORRECTWANSWERW-ColorWPropertiesWofWOxygen.



AWpieceWofWpipeWhasWanWAISIWclassificationWofWA105,WtheWmajorWalloyWis:W-WCORRECTWANSWERW-Carbon.



AtmosphereWtestingWmustWbeWconductedWbeforeWentryWintoWaWconfinedWspaceWtoWcheckWfor:W-
WCORRECTWANSWERW-OxygenWContent.




WhichWofWtheWfollowingWcontainsWinformationWaboutWchemicalsWfoundWonWaWjobWsite?W-
WCORRECTWANSWERW-MaterialWSafetyWDataWSheetW(MSDS).




WhichWofWtheWfollowingWmaterialsWisWselectedWwhenWresistanceWtoWcorrosionWorWhighWtemperaturesWisWr
equired?W-WCORRECTWANSWERW-Non-FerrousWAlloy.



WhichWofWtheWfollowingWisWaWtypeWofWgasketWusedWinWhigh-pressureWsystems?W-WCORRECTWANSWERW-
MetalWRingWJoint.



ExamplesWofWinactiveWcuttingWoilWincludeWallWofWtheWfollowingWEXCEPT:W-WCORRECTWANSWERW-
SulfurizedWMineralWOils.

, WhichWofWtheWfollowingWthreadWsealantWisWMOSTWsuitableWforWserviceWtemperaturesWofW500WtoW700Wde
greesWFahrenheit?W-WCORRECTWANSWERW-GraphiteWPaste.



AWSystemWinstalledWtoWprovideWprotectionWofWequipmentWfromWline-to-groundWfaultWdamageWisWcalled:W-
WCORRECTWANSWERW-Ground-FaultWCircuitWInterrupterW(GFCI).




IncreasingWtheWcarbonWcontentWinWsteelWresultsWinWanWincreaseWin:W-WCORRECTWANSWERW-Hardness.



TheWbeveledWedgeWofWanWorificeWplateWfaces:W-WCORRECTWANSWERW-Downstream.



AWbourdonWtubeWisWnormallyWfoundWinsideWa:W-WCORRECTWANSWERW-PressureWGauge.



AWloopWsheetWcontainsWallWofWtheWfollowingWinformationWEXEPT:W-WCORRECTWANSWERW-
ElevationWofWInstruments.



AWtemperature-
measuringWdeviceWthatWoperatesWonWtheWprincipleWthatWelectricalWresistanceWchangesWwithWtemperatur
eWisWa:W-WCORRECTWANSWERW-ResistanceWThermalWDeviceW(RTD)



CapillaryWtubingWwithWaWbulbWonWtheWendWisWnormallyWusedWonWinstrumentsWthatWprovide:W-
WCORRECTWANSWERW-TemperatureWReadings.




AWbourdonWtubeWtypicallyWisWusedWtoWmeasure:W-WCORRECTWANSWERW-Pressure.



WhatWisWtheWrelationshipWofWabsoluteWpressureWandWgaugeWpressure?W-WCORRECTWANSWERW-
psia=psig+atmosphericWpressure.



ProcessWflowWdrawingsW(PFDs)WareWusedWto:W-WCORRECTWANSWERW-
AidWinWunderstandingWtheWoverallWprocess.



AWMaterialWSafetyWDataWSheetW(MSDS)WhasWallWofWtheWfollowingWsectionsWEXCEPT:W-
WCORRECTWANSWERW-DisposalWContractors.