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Regulating - Answer Process control isvtye act of _______ one or more process variables. TRANSMITTER- a device that transmits a signal from one device to another. CONTROLLER-an instrument that receives a signal from the transmitter and compares it to a set point and produces an output to a final control element. FINAL CONTROL ELEMENT- the last active device in an instrument control loop, directly controls the dependent variable. - Answer List the three most common control instruments ...

what best determines the required torque for bolt tensioning - Answer grade of bolt what does the ''PI'' in PI-209 stand for - Answer pressure indicator line markings on the head of bolts and screws indicate - Answer grade witch of the following materials is selected when resistance to corrosion or high temperature is required - Answer nonferrous alloy the letter ''EL'' on a blue print stands for - Answer elevation before performing a continu...

a - Answer The total equivalent resistance of three resistances in a series circuit can be given as: Choose one answer. a. R1 + R2 + R3 b. (1/R1) + (1/R2) + (1/R3 ) c. (R1/1) + (R2/2) + (R3/3) d. R1 x R2 x R3 e. (R1 + R2 + R3) / 3 e - Answer The voltage required to force a current of 15 A through a resistance of 5 Ω will be _____ V. Choose one answer. a. 0.33 b. 3 c. 7.5 d. 33 e. 75 e - Answer When 1 ampere of current flows through a resistance by th...

Normally Closed (NC) contacts on a relay are closed when the coil is in what state? - Answer de-energized Normally Open (NO) contacts on a relay are closed when the coil is in what state? - Answer energized A device that uses electrical energy to mechanically switch electrical circuits is called a(n): - Answer electromechanical relay Electromechanical solenoids use electrical energy to magnetically cause a(n): - Answer mechanical control action Another name for a plug-in ...

A technician working in a refinery is required to open a process line that was previously in use. What document can the technician use to select the proper personal protective equipment? - Answer safety data sheet confined space - Answer 1. A space large enough for a worker to bodily enter and perform assigned work 2. A space not designed for continuous human occupancy 3. A space with limited means for entry or exit A ? utilizes a sensing element to measure a process variable and s...

most life threatening hazards on a construction site include the following - Answer Chemical exposure person's heart begins to fibrillate due to electrical shock the solution is to ________ - Answer Have qualified person use emergency defibrillation equipment The majority of injuries due to electrical shock are caused by - Answer Contact with low voltage conductors Class 0 rubber gloves are used when working with voltages less than - Answer 1,000 volts An important use...

1. the density of a fluid affect the displacers a. location b. buoyancy c. length d. height - Answer b 2. what mode must the controller be in before any changes are made to the process variable a. manual b. automatic c. shut down d. power off - Answer a 3. bills of material are found in a. General Arrangement drawings b. instrument detail drawings c. piping orthographics d. p&id - Answer a 4. when bench calibrating a temperature RTD transmitter, the the instrumen...

The simplest method for accurately measuring piping or tubing prior to assembly is the _____. - Answer Shoulder to shoulder method The colors of the conductors of a type j thermocouple are typically? - Answer White and red If a persons heart is out of rhythm due to an electrical shock, the solution is to __________ - Answer Have a qualified person use emergency defibrillation equipment One mA is a unit of measure for current equal to _______ - Answer .001 amperes How many...

Resistors can be divided into two broad categories. Name the categories. - Answer a) fixed resistors b) variable resistors List three basic types of fixed resistors, based on their construction. - Answer a) composition b) film c) wire wound List the two different types of variable resistors. - Answer a) rheostats b) potentiometers Name three distinct ratings that are related to resistors. - Answer a) resistance b) power c) tolerance A resistor has a resistance label...

Difference between 4-20mA signal and a 0-10v signal? - Answer Both are analog signals. 4-20mA is preferred because it has a live zero that can be referenced against a true zero. Its also less susceptible to electrical noise. 0-10v is easier to implement but more prone to interference and voltage drop. Typically used for short runs. Describe the process you take to calibrate an instrument. - Answer -Gather tools and materials needed. -Gather documentation. -Inspect instrument for da...

Process - Answer A series of actions or operations resulting in a change or a change of state Process System - Answer A system that changes the state of the fluid inside the system Process Control System - Answer Measures the value of a process system variable and causes an action to occur that will maintain the controlled variable as desired Variable - Answer A quantity that is subject to variation or change Measured Variable - Answer The condition, property or quanti...

psia=psig+atmospheric pressure - Answer The relationship between absolute pressure and gauge pressure is expressed as__________. Isolate a pressure-sensing element from rapid pressure changes - Answer The purpose of a snubber is to___________. The actual quantity of fluid that passes a given point per unit of time - Answer The definition of the term flow is____________. 50 - Answer A pressure gauge that measures psig indicates a reading of 35.3. The local atmosphere pressure...

1 Exam (elaborations) Human Computer Interaction Test 1 Questions and All Actual Answers. 2 Exam (elaborations) HCI Exam 1 Final Exam Questions and All Correct Answers 2026-2027 Updated. 3 Exam (elaborations) Human Computer Interaction Test 1 Questions with Complete Rationales 2026-2027 Updated.

Stakeholders - Answer - primary stakeholders directly interact with a tool. - secondary stakeholders receive the output of a tool ; interact with the output of the system - tertiary stakeholders are affected by the existence of the system - user centered design is also about the impact of the design on not just the end-user but also all of the stakeholders Needfinding - Answer Gather a comprehensive understanding of a task the user is trying to perform who, what, where, when, why ...

The HCI Hierarchy of Needs* - Answer Utility/Functionality Usability User Experience Utility/Functionality* - Answer can a product be used to solve a problem. does it perform the functions that it was designed for or its currently being used Usability* - Answer how easily can the user use a product in order to solve a problem or perform a desired function User Experience* - Answer how a product behaves and is used by people in the real world. more specifically it is about ...

What does HCI stand for? - Answer Human Computer Interaction Goals of HCI - Answer Usefulness and Usability What is Usefulness? - Answer User can achieve some task What is Usability - Answer Reduce User's Cognitive Load What is a user task? - Answer The usage of an interface to accomplish a goal 5 Tips to identify User Tasks - Answer 1. Watch Real Users 2. Talk to the user 3. Start by identifying the small tasks 4. Abstract Up: Ask why the user is doing the...

Fidelity - Answer The completeness or maturity of a prototype Horizontal Prototype - Answer A type of prototype that is designed to cover the design of the interface as a whole, but in a more shallow way. Design life cycle typically begins with this type of prototype. Vertical Prototypes - Answer A type of prototype that takes a small portion of the interface and prototypes it in great detail Feedback - Answer The goal of a prototype is to receive __________ Expert Blinds...

Discoverability 2.5 - Answer Relevant functions should be made visible so the user can discover them instead of relying on learning them elsewhere (Powerpoint menus) Simplicity 2.5 - Answer - Design should make simple, common tasks easy - Do not include info that is irrelevant or rarely needed - Use of design is easy to understand, regardless of experience, knowledge, language skills or current concentration level Affordances 2.5 - Answer The design of the thing affords or hints...

What does HCI stand for? - Answer Human Computer Interaction Goals of HCI - Answer Usefulness and Usability What is Usefulness? - Answer User can achieve some task What is Usability - Answer Reduce User's Cognitive Load What is a user task? - Answer The usage of an interface to accomplish a goal 5 Tips to identify User Tasks - Answer 1. Watch Real Users 2. Talk to the user 3. Start by identifying the small tasks 4. Abstract Up: Ask why the user is doing the...

What are advantages and disadvantages of a layered architecture? - Answer Each protocol layer offers different services. Some advantages are scalability, flexibility, and ease of adding / removing components making it easier for cost-effective implementations. Disadvantages include: some layers functionality depends on the information from the other layer and violates the goal of layer separation; one layer may duplicate lower layer functionalities; overhead both in computation and in message...