WorksheetsAUTO 1 SEMIFINAL QUIZ 2
Total questions: 25
Worksheet time: 19mins
What is the primary purpose of calibration in automation systems?
To compare sensors with similar devices only
To ensure measurements remain accurate and reliable
To increase the temperature tolerance of instruments
To reduce the wiring complexity in control systems
Which step ensures that instruments comply with industry requirements?
Establishing calibration standards
Running the control algorithm
Selecting the process variable
Performing noise reduction
What is the purpose of defining a calibration schedule?
To assign roles to operators
To determine when instruments should be recalibrated
To estimate future equipment procurement
To document electrical connections
Which activity is performed before running actual calibration?
Updating calibration records
Preparing calibration procedures
Replacing process controllers
Conducting frequency analysis
During calibration, why is data collection essential?
It increases the energy consumption of sensors
It determines the cost of new instruments
It provides the basis for corrections and analysis
It improves the external appearance of devices
Calibration adjustments are made to:
Shortcut the control loop to reduce workload
Align the instrument output with reference standards
Increase the process temperature range
Eliminate the need for periodic inspections
Validation and acceptance occur to:
Approve the calibrated instrument’s performance
Replace controllers with newer versions
Simplify the alarm configuration structure
Identify operators needing retraining
Updating calibration records primarily supports:
Aesthetic improvements of the panel
Traceability and documentation requirements
Electrical load reduction
Mechanical wear prevention
Traceability in calibration ensures that:
Data is stored in encrypted digital logs
Measurements can be linked to recognized standards
Controllers maintain their set-points indefinitely
Instruments never require adjustment
Why is recalibration necessary in automation systems?
Instruments drift over time and lose accuracy
Operators require additional training
Systems must perform self-cleaning cycles
Sensor cables become shorter with age
Which part of calibration ensures procedures are consistent?
Process scheduling
Written calibration procedures
Network address assignment
Alarm prioritization
Establishing calibration standards means selecting:
Reference values with proven accuracy
Controllers with improved graphic panels
Feedback devices with high memory capacity
Switches with adjustable torque settings
Audit activities in calibration focus on:
Verifying adherence to established standards
Improving color coding of sensor wiring
Enhancing insulation resistance of cables
Reducing noise from rotating machinery
During data analysis after calibration, the main goal is to:
Estimate process downtime
Evaluate the instrument’s performance accuracy
Identify spare parts for replacement
Reduce demand for manual labor
Which step ensures that corrections applied during calibration are functioning as intended?
Validation and acceptance testing
Adjustment of mechanical supports
Selection of display brightness
Removal of unused process tags
What is the main purpose of control loop tuning?
To adjust the thickness of control panel covers
To optimize controller parameters for stable operation
To expand the cooling system of the process
To increase the mass of the sensing elements
Control loop tuning begins with selecting:
A suitable control algorithm
A replacement actuator
A feedback amplifier
A power transformer
Which tuning method identifies ultimate gain to compute PID values?
Ziegler–Nichols method
Particle filtration method
Vibration absorption method
Linear expansion method
Model-based tuning methods rely on:
Mathematical models of the controlled process
Increasing voltage to the controller hardware
Manual correction of field wiring
Reducing sensor cable lengths
Frequency response analysis tunes a system by examining its:
Thermal insulation capability
Behavior at various oscillation frequencies
Structural vibration during transport
Power consumption levels
Optimization algorithms such as genetic algorithms are used to:
Identify the best set of control parameters
Modify the motor’s torque characteristics
Reduce the physical dimensions of sensors
Extend the hardware communication ports
Data collection during tuning involves gathering:
Noise patterns from mechanical equipment
Process variables, setpoints, and control inputs
Tools required for panel maintenance
Historical procurement records
System identification is used to create or update:
Mathematical models describing process dynamics
Documentation for operator uniforms
Fire suppression instructions
Backup copies of electrical drawings
The tuning algorithm calculates parameters that minimize:
Control loop overshoot or integral error
The mass of control instruments
The total wiring length inside the panel
The number of operators needed on watch
Implementing tuned parameters means:
Installing new power supply units
Applying optimized values to the controller
Replacing analog indicators with digital ones
Cleaning the enclosure of the control cabinet
