NCEES Professional Engineer - Control Systems Engineer exam 2022 Specifications |
Specification Area - 85 questions total in
8.5 hours and 50 minute lunch |
Questions
on
the Exam |
I |
Measurement
- Sensors
- Sensor technologies applicable to general measurement (e.g., flow, pressure,
level, temperature, analytical, counters and motion)
- Sensor technologies applicable to general analytical instruments and
sampling systems (e.g., pH, ORP, density, O2, conductivity, effects of
sampling systems, GC)
- Sensor technologies applicable to fire and gas detection
- Sensor technologies applicable to machinery monitoring and protection
(e.g. ,vibration, bearing temperature, lube oil pressures, thrust, speed)
- Sensor characteristics (e.g., rangeability, accuracy and precision,
temperature effects, response times, reliability, repeatability, maintenance,
calibration)
- Sensor selection (e.g., plugging service, process severity, environmental
effects and constraints, costs)
- Material compatibility
- Installation details (e.g., process, pneumatic, electrical, location,
maintenance, calibration)
- Flow, Level, and Pressure Calculations
- Flow (e.g., element sizing, pressure-temperature compensation,
mass/volume)
- Level
- Pressure Drop
- General Calculations
- Unit conversions
- Velocity
- Square root extraction and interpolation
- Variables involved in wake frequency calculations (e.g., thermowell
length/diameter, velocity, natural frequency, wake frequency)
| 17–27 |
II |
Control Systems
- Drawings
- Drawings (e.g., process flow diagrams, P&IDs, loop diagrams,
ladder diagrams, logic drawings, cause and effects drawings,
electrical drawings, schematics, wiring diagrams)
- Theory
- Basic control of processes (e.g., pumps, compression, combustion,
evaporation, distillation, hydraulics, reaction, dehydration, heat
exchangers, crystallization, filtration, refrigeration, fluidization)
- Process dynamics (e.g., loop response, pressure-volume-temperature
relationships, simulations)
- Basic control (e.g., regulatory control, feedback, feedforward,
cascade, ratio, PID, split-range, gap control)
- Discrete control (e.g., relay logic, Boolean algebra, aliasing)
- Sequential control (e.g., batch, assembly, conveying, CNC, state
machine, sequential function chart)
- Implementation
- HMI (e.g., graphics, alarm management, trending, historical data,
operator panels)
- Equipment layout (e.g., human factors engineering, physical control
room arrangement, panel layout)
- Limited variability programming languages for DCS and PLC
(e.g.,
IEC 61131-3 languages/ladder diagrams, function blocks, sequential
function charts, structured text, instruction list)
- System design comparisons and compatibilities (e.g., advantages and
disadvantages of system architecture, distributed architecture, remote
I/O, buses, wireless)
- Installation requirements (e.g., shielding, constructability, I/O
termination, environmental, heat load calculations, power load requirements,
purging, lighting, maintainability)
- System testing (e.g., factory acceptance test, integrated system test,
site acceptance test)
- Performance evaluation (e.g., troubleshooting, root cause failure
analysis and correction)
- Security of Industrial Automation and Control Systems - 2 Questions
- Security (e.g., physical, cyber, network, firewalls, routers,
switches, protocols, hubs, segregation, access controls))
- Security lifecycle (e.g., assessment, controls, audit, management
of change)
- Requirements for a security management system
- Security risk assessment and system design
- Product development and requirements
- Verification of security levels (e.g., level 1, level 2)
|
17–27 |
III |
Final Control Elements
- Valves
- Types (e.g., globe, ball, butterfly)
- Trim characteristics (e.g., linear, low noise, equal percentage,
seat leakage class)
- Calculation (e.g., sizing, split range, noise, actuator, response
time, pressure drop, air/gas consumption)
- Selection of motive power and failure mode (e.g., hydraulic,
pneumatic, electric, spring)
- Applications of fluid dynamics (e.g., cavitation, flashing, choked
flow, Joule-Thompson effects, two-phase)
- Material selection based on process characteristics (e.g., erosion,
corrosion, plug, extreme pressure, temperature, material compatibility)
- Accessories (e.g., limit switches, solenoid valves, positioners,
transducers, air regulators, servo amp, boosters, quick exhaust)
- Environmental constraints (e.g., fugitive emissions, packing, special
sealing, fire rating)
- Installation practices (e.g., vertical, horizontal, bypasses, location, flow direction)
- Pressure Relieving Devices
- Pressure relieving valve types (e.g., conventional spring, balanced
bellows, pilot operated)
- Pressure relieving valve characteristics (e.g., modulating, pop action)
- Pressure relieving valve calculations (e.g., sizing considering inlet
pressure drop, back pressure, multiple valves)
- Material selection based on process characteristics
- Pressure relieving valve installation practices (e.g., linking valves,
sparing the valves, accessibility for testing, car sealing inlet valves,
piping installation, combination devices)
- Rupture discs and buckling pin valves (e.g., types, characteristics,
application, calculations)
- Motor Controls
- Types (e.g., motor starters, variable-speed drives)
- Applications (e.g., speed control, soft starters, motor-operated
valve actuators)
- Calculations (e.g., sizing, tuning, location)
- Accessories (e.g., encoders, positioners, relays, limit switches)
- Other Final Control Elements
- Motion (e.g., damper controls, types, orientation, actuators, servos
, encoders)
- Solenoid valves (e.g., types, sizing)
- On-off devices/relays (e.g., types, applications, energize and
de-energize to trip)
- Self-regulating devices (e.g., types, sizing, pressure, temperature,
level, and flow regulators)
|
14–23 |
IV |
Signals, Transmission, and Networking
- Signals
- Pneumatic, electronic, optical, hydraulic, digital, analog, buses,
wireless, thermocouple
- Transducers (e.g., analog/digital [A/D], digital/analog [D/A], current/
pneumatic [I/P] conversion, current/current [I/I], splitters, filters)
- Hazardous area classification and instrument installation techniques
(e.g., intrinsically safe [IS] barriers, cabinet purges, non-incendive)
- Grounding, shielding, segregation, electromagnetic interference
- Basic signal circuit design (e.g., two-wire, four-wire, isolated outputs,
loop powering, buses)
- Circuit calculations (voltage, current, impedance, power)
- Unit conversion calculations
- Transmission
- Different communication systems architecture and protocols (e.g., fiber
optics, coaxial cable, wireless, paired conductors, buses, transmission
control protocol/internet protocol [TCP/IP], OPC)
- Distance considerations versus transmission medium (e.g., data rates,
sample rates)
- Networking
- Routers, bridges, switches, firewalls, gateways, network loading,
error checking, bandwidth, crosstalk, parity, hubs
|
11–18 |
V |
Safety Systems
- Documentation
- Basic documentation required (e.g., process hazards analysis, safety
requirements specification [SRS], logic diagrams/narratives, test procedures,
SIL selection report, SIL verification report, safety lifecycle plan)
- Theory
- Reliability and availability (e.g., bathtub curve, failure rates types,
voting, proof test intervals, common cause and diversity)
- SIL selection (e.g., safety layer matrix, risk graph, LOPA)
- Implementation
- Safety system design (e.g., SRS, I/O assignments, redundancy,
segregation, logic design, failure direction)
- SIL verification calculations (e.g., failure rates types, voting,
proof test intervals, common cause and diversity)
- Installation, commissioning, and validation (e.g., methods,
procedures, test records)
- Safety Lifecycle Management
- . Modifications (e.g., management of change, scope of change, impact
of change, documentation)
- Operations and maintenance (e.g., methods, procedures, test records,
partial stroke testing, demand tracking, bypass and override management,
failure analysis, validation of design assumptions)
|
11–19 |
|
Total |
85 |