Process instru

Question 1

What term refers to the physical system being controlled or measured?

Answer 1

process

Question 2

hat device senses the process variable and translates it into an analog signal?

Answer 2

measuring element

Question 3

What device compares the process variable to the setpoint and generates an output signal?

Answer 3

controller

Question 4

What is the term for the desired value of the process variable?

Answer 4

setpoint

Question 5

What is the name for the signal sent from a controller to the final control element?

Answer 5

output signal

Question 6

What device converts signals from one form to another?

Answer 6

transducer

Question 7

What device converts a measurement signal into a standardized output?

Answer 7

Transmitter

Question 8

What is the term for the quantity that is manipulated in a process to influence the process variable?

Answer 8

Manipulated Variable (MV)

Question 9

What is the term for the feedback-driven loop where the process variable is continuously compared to the setpoint?

Answer 9

closed-control loop

Question 10

What is the mode called when a controller operates based on a human operator’s decision?

Answer 10

manual mode

Question 11

Which system does not compare the process variable to the setpoint, acting without feedback?

Answer 11

open-control loop

Question 12

What is the first step in instrumentation and control?

Answer 12

measurement

Question 13

What term describes the specific quantity being measured in a process?

Answer 13

process variable

Question 14

What device directly affects the process, based on the controller’s signal?

Answer 14

Final control element

Question 15

What is the term for the value corresponding to the 0% point in a transmitter’s calibrated range?

Answer 15

Lower range value

Question 16

What is the term for the width of the range between the upper and lower values in a transmitter’s calibrated range?

Answer 16

span

Question 17

What type of system automatically adjusts variables to ensure safe operating conditions?

Answer 17

Process Control System

Question 18

What term is used for detecting early signs of equipment wear to perform maintenance before failure occurs?

Answer 18

Predictive Maintenance

Question 19

What strategy involves implementing backup components to ensure continuous operation in case of failure?

Answer 19

Redundant Systems

Question 20

What term describes the process of matching a sensor’s output to known reference values?

Answer 20

calibration

Question 21

Which law in the Philippines regulates energy efficiency and conservation?

Answer 21

Energy Efficiency and Conservation Act (Republic Act No. 11285)

Question 22

What is the primary regulatory body in the Philippines for occupational safety?

Answer 22

Occupational Safety and Health Standards

Question 23

What is the term for maintaining desired output levels in a control system through properly designed loops?

Answer 23

Loop Design

Question 24

hat process control strategy uses data analysis to continuously optimize performance?

Answer 24

Continuous Improvement

Question 25

Which term refers to measuring fluid volume stored in a vessel?

Answer 25

Fluid Volume Measurement

Question 26

What term refers to continuously observing system performance through sensors and data analysis tools?

Answer 26

Real-time Monitoring and Diagnostics

Question 27

What device is responsible for translating a measuring element’s signal into a standardized instrumentation signal?

Answer 27

Transmitter

Question 28

What type of control strategy is used to optimize beyond traditional methods using techniques like Model Predictive Control?

Answer 28

Advanced Control Strategies

Question 29

a mode where the control output is adaptive and is able to learn from previous event, absolutely not relying on human intervention.

Answer 29

Autonomous

Question 30

the variable that is being observed or measured in the process. It's typically the output or result of a process that you want to monitor to ensure it stays within desired limits.

Answer 30

measured variable

Question 31

any variable that is an integral part of the process. It generally includes variables that directly affect the process outcome.

Answer 31

process variable

Question 32

variable that you adjust to control the process. It's the input to the system that you change to achieve a desired effect on the measured variable.

Answer 32

manipulated variable

Question 33

refers to the use of devices and systems to measure, monitor, and control variables in a process.

Answer 33

instrumentation

Question 34

Enumerate the four main components of a basic process control loop.

Answer 34

Measurement Controller Output Signal Process

Question 35

Enumerate the common types of process measurements.

Answer 35

Fluid pressure Fluid flow rate Temperature Chemical concentration Electrical voltage, current, or resistance

Question 36

Enumerate the consequences of not monitoring and controlling process variables.

Answer 36

Product quality issues Safety risks Inefficiency Equipment damage Regulatory non-compliance Production downtime Reduced profitability

Question 37

refers to periods when a system, machine, or process is not operational or is unavailable for use

Answer 37

downtime

Question 38

Enumerate the steps to ensure precise control in a process.

Answer 38

Proper sensor selection and calibration Implementing advanced control strategies Ensuring proper loop design Use of redundant systems Real-time monitoring and diagnostics Regular maintenance and updates

Question 39

refers to the beginning-point of an instrument’s range

Answer 39

zero

Question 40

using sophisticated technique to improve the system

Answer 40

implementing advance control strategies

Question 41

type of control that uses a mathematical model of the process to predict future behavior and optimize control actions over a defined future horizon.

Answer 41

Model predictive control (MPC)

Question 42

type of control that adjusts its parameters in real-time based on changes in the system's dynamics or external conditions. It is designed to handle systems with unknown or varying parameters by modifying control strategies as needed.

Answer 42

adaptive control

Question 43

type of control that aims to maintain performance and stability of the control system despite uncertainties or variations in system parameters.

Answer 43

robust contro