Questions

Which component is a closed tube designed to protect temperature instruments from process conditions and allows maintenance without draining the process fluid?
A 0-100 foot tank with a specific gravity of 0.8 has the highest measurable level. What is that level?
What distinguishes a sinking circuit from a sourcing circuit in industrial control?
If the system pressure is 3 psi, approximately how many inches of water does that correspond to?
Which are three temperature scales?
What is the typical forward voltage drop across a silicon diode?
What is power factor?
What are 3 types of level measurement/transmitters?
In fluid testing, viscosity refers to what?
Which instrument is described as a network multimeter used for troubleshooting and testing the physical and data link layers?
What does T1-T3 stand for in instrumentation terminology?
Which diagram shows wiring between transmitters and controllers in a control loop?
What is the function of an Analyzer in a process?
DinRail is described as?
Which statement correctly relates Zero Suppression and Zero Elevation in transmitter mounting?
DinRail can be described as which of the following?
What is Split Range Control?
Convection is defined as?
Turbulent flow is best described as which?
What is a thermocouple?
True or False: A Thermocouple is inductive.
What is Cascade Control?
What is a protocol?
What does an O2 sensor in a boiler stack do?
What is power factor?
Which form of heat transfer occurs via electromagnetic waves?
How does a DP flow meter work?
Which gauge component relies on a Bourdon tube to move the needle?
In a P&ID diagram, what does J stand for as the first letter?
Which term describes a device that detects objects without physical contact and is commonly used in automation?
A bubbler tube is used for level measurement by introducing gas until the pressure matches what?
Which statement best describes a heat exchanger?
Which statement is true about pressure units?
How does a pressure switch operate?
Which combination of thermocouple types is commonly used for temperature sensing?
Which statement best describes the function of a Temperature Transmitter?
Which diagram shows physical connections between instruments in a process?
Identify the component described as a safety valve designed for quick shutoff.
Which network is described as a byte-wide network that can support up to 64 nodes and up to 2048 field I/O devices?
OSHA and what do they do?
What is a Thermowell?
What are the two states of a controller?
Which PLC models have we used?
Which device interfaces a temperature sensor to a measurement or control device?
A resolver is best described as which of the following?
In hydrostatic level measurement, pressure at the bottom is proportional to which product?
Which sequence correctly represents a simple wiring diagram linking a controller, recorder, and a valve positioner in series?
OSR stands for which PLC concept?
The Dry Leg in instrumentation is used to protect process instruments by containing what?
What does Siemens TIA stand for?
On a pH curve, a change of one pH unit corresponds to what factor change in hydrogen ion concentration?
Power factor is defined as which ratio?
MAC Address stands for?
In a motor control system, which parameters does a Variable Frequency Drive primarily vary to control speed?
Intrinsically Safe means what?
What is a Material Mass Flow Meter?
How does a DP Transmitter measure flow?
In an 0-10 V analog input card with 8-bit resolution, what is the voltage increment per step?
In process instrumentation, flashing refers to which of the following?
What does a sinking circuit do?
What color is the negative wire of a thermocouple?
What is the difference between an AC Drive and a Servo Drive?
Zero Elevation refers to mounting the transmitter at which position relative to the tank bottom?
In automation terminology, what is an Indexer?
Which term is defined as a safety valve designed for quick shutoff?
What is an OSR in PLC terms?
What is the primary function of a data recorder in a process control system?
Which description defines an endothermic reaction?
What does static head refer to in fluid pressure terms?
BTU is defined as what?
Which device is defined as a sensor able to detect objects without physical touch?
What does a Final Control Element do?
Which statement accurately describes the relationship between a Distributed Control System (DCS) and a Digital Valve Controller (DVC)?
What is a Fluke LinkRunner and what does it do?
Name three types of Thermocouples.
Convert 102 decimal to hexadecimal.
The standard needs to be ______ times more accurate than the tool being calibrated.
In process instrumentation, steam flow is typically measured in which units?
What does Ping do?
Which instrument is used to measure humidity in the environment?
What is the triple point of water?
Which term is defined as a safety valve designed for quick shutoff?
What is a Tool Frame in robotics?
Which term corresponds to a safety valve designed for quick shutoff?
Intrinsic safety is designed to protect electrical equipment in which environment?
Zero Elevation occurs when a transmitter is mounted where?
As the temperature of a liquid increases, its density tends to do what?
What is a Variable Area Flow Meter? What is an example of one?
Why would a 250 ohm resistor be included in an instrumentation loop?
What is an actuator?
How does a differential pressure transmitter measure flow?
A BCD Display is defined as which concept?
Which statement about synchronous modems is true?
Which description correctly defines power factor?
In process instrumentation, flashing occurs when which condition is met?
What is the primary function of a Digital Valve Controller (DVC)?
What is the primary purpose of a valve positioner in a control loop?
To prevent missing counts when a digital input fires every 20 ms on a PLC, which component should be used?
Power factor can be described as which ratio?
What does ORP stand for in chemical measurements?
What is a Ground Loop?
What does a thermocouple output depend on?
Which statement best describes ultrasonic level sensors compared to differential pressure level sensors?
Which device provides power in an emergency when main power is lost?
What is a Variable Frequency Drive (VFD)?
L1-L3 stands for lines 1-3 in three-phase systems. Which option correctly identifies this?
What is a Hygrometer?
What makes a needle in a gauge move?
O.L is used to protect components from which condition?
Which statement is true about hydraulic cylinders compared to pneumatic cylinders?
Turbulent Flow is best described as which of the following?
Which statement about P&ID diagrams is true?
In a differential-pressure flow meter, what is measured to infer flow rate?
Which term corresponds to a safety valve designed for quick shutoff?
What does K1 stand for on a P&ID Diagram?
Identify the device defined as a safety valve designed for quick shutoff.
How do you reverse the direction of a 3-phase motor?
How is Fieldbus best described?
What is a UPS and what does it do?
Valve packing is installed around which part of a valve?
What is a Direct Motion Command?
A resolver is best described as which of the following?
What is a setpoint?
Which level measurement device uses gas injection to balance hydrostatic head?
Where should a MAG Flow Meter be mounted in typical installations?
Which option correctly describes OSR in PLCs?
Which device is a heat exchanger used to reduce energy consumption?
What does a prox refer to in instrumentation?
What does a pH probe do? What is its output?
What is a conductivity probe used for?
What is a User Frame?
Which statement about the DP Flow Meter is correct?
Valve packing is installed around which part of a valve?
What is Specific Gravity?
Radiation in energy transfer refers to?
Which option correctly expands the acronym DHCP?
What does a Sourcing Circuit do in an electrical system?
What is an Economizer?
DeviceNet is described as which of the following?
An I/P transducer performs what function?
Which statement best describes the setpoint?
What is a Manometer used for?
What is the primary purpose of a loop diagram in instrumentation?
Power factor is defined as which of the following?
Reynolds Number is used to determine what aspect of fluid flow?
Which device is described as a safety valve designed for quick shutoff?
Which description best defines a BCD display?
Which statement describes a common symptom of cavitation in a pump?
What is a Wet Leg?
What does NIST Traceable indicate?
L1-L3 stands for what in electrical terminology?
Why would you use a live bottom (4-20 mA) rather than a true bottom (0-20 mA) in a loop?
Zero Suppression occurs when a transmitter is mounted where?
Which statement best describes the Dry Leg in instrumentation?
Laminar Flow is described as which of the following?
What component is formed by two dissimilar metal wires welded at one end?
What distinguishes a smart transmitter from a regular transmitter?
Which statement is NOT a typical level measurement transmitter type?
Which device is used to manually override the servo motor control to run the motor manually?
Which device is an example of a Final Control Element?
What is the primary role of a Distributed Control System (DCS) in process automation?
What does RTD stand for in temperature measurement?
Which statement best defines conduction?
What is the purpose of an optocoupler?
How do you convert psiA to psiG according to the material?
In a simple current loop containing a transmitter, a power supply, a recorder, and a controller, which sequence correctly represents the series connection starting from the power supply positive terminal?
What best describes a Coriolis flowmeter?
What is cavitation in pumping systems?
DHCP stands for?
Which device is used to measure level in a conductive fluid?
What is O.L?
DP level sensors determine level by measuring which principle?
The DP Transmitter measures flow by detecting which signal?
Which statement best characterizes ControlNet?
Which term corresponds to a safety valve designed for quick shutoff?
What does a reverse-acting controller do?
ControlNet is best described as?
What is a heat exchanger?
Cavitation damage typically affects which pump components?
Which term describes the dependent variable in a process to be controlled?
Which statement best summarizes the difference between hydraulic and pneumatic cylinders?
What is a heat sink?
What describes the primary purpose of reflux in a distillation column?
Which statement best describes the difference between a motor starter and a motor contactor?
What does CR1 stand for on a P&ID Diagram?
Which combination of states does water co-exist with at its triple point?
What does ORP stand for?
Which device makes or breaks contacts when a set pressure is reached?
Reynolds number is used to determine what aspect of fluid flow?
Power factor equals which ratio?
In a current loop, what indicates a transmitter fault when monitoring the loop current?
In a Direct Acting Controller, how does the output respond to changes in input?
What is a deadweight tester used for?
What is Reflux in a distillation column?
Viscosity is defined as which property of a fluid?
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