A particulate filter is working properly, but light oil/water residue is showing up in the air. What should be done to correct this problem?

Loop testing involves simulation of the:

What is indicated by a double solid line drawn though the instrument symbol?

What causes the valve stem solenoid vale to move up or down?

A decreasing output with increasing input describes:

What valve or pump packing material that is used where caustics, mild acids, gases, and chemicals are present?

A displacer level instrument is withdrawn from stores and handed over to pipefitters for installation. After it is installed, the technician goes to perform the instrument checkout. The technician is not able to get the displacer to respond. What troubleshooting step should be performed first?

The nominal size of tubing is determined by its

When selecting a regulator, choose the:

How many ¾” valves are on the figure provided?

Thread compound which is normally applied using a brush is called:

The process parameter that is selected for control is the

Which of the following is a basic principle of alternating current flowing in a conductor

Shielding of signal cable is an effective method to

In reference to PID controllers reset relates to:

If the proportional band of a controller is adjusted to the minimum position valve the controller action is likely to be

Valves are used to control all of the following except

the term “fail open” and “fail closed” are used to describe what valve component

During pneumatic testing what is used to identify the pressure leak

A transmitter is not working correctly with a multimeter you check across the positive and negative terminals what is the next step

A disadvantage of direct operated regulators is

for most tube Bender radius blocks a 90 degree bend gains approximately

Oil based pipe joint compound should never be used on threads of pipe used to Coney oxygen because

Which of the following is not the type of lead line materials used on tubing and transmitters

What information does a P&ID provide

A technician is using an instrument tag number to withdraw an instrument from stores the technician is not sure if the hardware being pulled which document should the technician reference to ensure that the correct is withdrawn

What does a pneumatic valve positioner do

when using soft rolled tubing it must be unrolled and straightened

Where should a dp flow transmitter high pressure side be connected to the orphis taps

old packing should be replaced with a new packing which is

Measurements are always taken from the tubing centerline except for the

What will happen in a series circuit with four lights if anyone burns out

What is a diode

The primary goal for any closed loop control system is

Gaskets are usually specified for particular range of

Multiple instruments within a loop share a common

Pressure is expressed mathematically as

What does the reset control mode eliminate

Proving a loop is a

What is the major cause of death from electrical shock

Water in an air system causes all of the following except

An RTD is used to measure

A 4 wire 100 ohm PT RTD is being checked at 32 F what resistance should be expected between the red and white wire

The simplest liquid level measurement device is a

An analog instrument has been determined to have excessive noise on th signal in troubleshooting the problem what would a technician look for

When inspecting a regulator controlled nitrogen pad system on a large storage tank and no pressure is found what critical item besides the regulator should be checked

What can happen if an instrument is getting too much EMI noise

The accuracy of a type J T/C is being questioned what setting on a multimeter will best troubleshoot the issue

A worker knows the tag number of an instrument and needs to identify the drawing and documents relating to the particular instrument which of the following would be the best place to find the information

When properly calibrated and installed the most accurate primary flow element is the

What type of input signal does a valve actuator receive from a 4 to 20ma transducer

substance that is capable of reducing friction heat and wear when applied as a film between two surfaces is

When deburring tubing which of the following should be avoided

Any person working near equipment during lockout tagout conditions is considered an

One PSI is equal to how many inches of water

PTFE tape used as a sealant should be wrapped

What does a P&ID provide

nuclear level detectors are used when

What does a venturi Tube measure

Convert 72 degrees F to Celsius

For a 45 degree tubing bend the bend mark must be aligned with what mark on the slide block at the beginning of the bend

The range of the transmitter is the

What is the major cause of death from electrical shock

27.7 inches of H20 is equivalent to

Thread compound which is normally applied using a brush is called

Connecting tubing into a junction box requires

When receiving instruments for the first time you should

For a 180- degree tubing bend the zero on the forming wheel of the bender must be aligned with what number on the slide block at the beginning of the bend

When commissioning a loop

Pressure switches are actuated by

In a non linear power supply the dc output voltage is regulated by

The most common standard set symbols for instrumentation is from

The final step in commissioning should be

When an I to P transducer is used on a pneumatic control valve that is set up to fail closed a signal input of 4mA from the control room will

When simulating a turbine sensing element during calibration of a flowmeter the instrument technician might use

RTD elements are normally constructed of

The final step in commissioning is

What device is used to measure flow?

An orifice plate causes a pressure drop which can be measured to calculate

Where should a DP flow transmitters high pressure side be connected to the orifice tape

When replacing a control valve in kind what is least important

The most frequent control mode is

Cleaning of piping and tubing is generally required after all of the following EXCEPT

The set point on a controller is a specific valve at which

Electronic instrument signal leads can be influenced by

In proving and calibrating a loop, equipment is required to:

Smart instrument transmission required which of the following for calibration and configuration

A reverse acting positioner

Which of these values is measured in a circuit de-energized

Where can the degree of slope on a tubing run be found

a controller automatic control describes

Which of the following should not be considered when cleaning instruments

Most smart transmitters

Tube gain is due to the fact that

the following are proper and safe methods for storing tubing except

fluid is flowing through the hole in end orifice plate what does the restricted fluid movement caused by size of the

troubleshooting starts with

convert 87.6 Celsius to Fahrenheit

In a cascade control loop what does a primary control loop determine for the secondary control loop

Which wire brush is the best brush for stainless steel materials