4th Year

Question

What does a decoupler used in a multivariable control system do?

Answer 1

Removes intergral reset windup.

Answer 2

Couple the controller outputs.

Answer 3

Removes loop to loop interactions.

Answer 4

Allows the ability to enter separate set points.

Answer 5

The system has a positive open loop matrix.

Answer 6

The system has a negative open loop matrix.

Answer 7

The system is decoupled.

Answer 8

The system has no interaction.

Answer 9

Two controlled outputs with their outputs held at a constant ratio.

Answer 10

One controlled variable controlled by a ratio to another measured variable.

Answer 11

A manipulated variable and controlled variable with their ratio held constant in the controller.

Answer 12

One controlled variable controlled by a ratio to another controlled variable.

Answer 13

Information related to one or more measured disturbances is fed into a controller to reverse the effects of the disturbance on the controlled variable.

Answer 14

Deviations from a desired set point are corrected by adjusting the controller output to reduce the error between the process variable and the set point.

Answer 15

The final excursion from the error relating to the set point will be eliminated.

Answer 16

Variables relating to time discrepancies.

Answer 17

Model errors are responsible for causing deviation of the controllers output from the controlled variable.

Answer 18

Without trim the gain will increase rapidly.

Answer 19

The deviation in time constant must be accounted for.

Answer 20

Model errors are responsible for causing deviation of the controllers output from the measured variable.

Answer 21

Measured Disturbances

Answer 22

Dynamic Gain

Answer 23

Time Constant

Answer 24

Controlled Variable Deviation

Answer 25

Two valves are used to control one stream.

Answer 26

When one valve is closed the other can be opened 100%.

Answer 27

Both valves cannot be open at the same time.

Answer 28

Only one set of tuning parameters is available.

Answer 29

Vaporization & Pressurization

Answer 30

Vaporization & Condensation

Answer 31

Pressurization & Condensation

Answer 32

Dew Point & Viscosisty

Answer 33

Reflux Flow / Feed Flow

Answer 34

Feed Flow / Distillate

Answer 35

Reflux Flow / Distillate

Answer 36

Bottoms Flow / Tops Flow

Answer 37

High differential pressure and similar temperatures between trays.

Answer 38

High differential pressure and different temperatures between trays.

Answer 39

Low differential pressure and similar temperatures between trays.

Answer 40

Low differential pressure and different temperatures between trays.

Answer 41

Between stripping and rectifying sections.

Answer 42

Where feed composition closely matches tray

Answer 43

Below the lowest tray.

Answer 44

Right at the top column

Answer 45

Stay the same.

Answer 46

Quickly recover due to controller action.

Answer 47

Level, Feed water flow, and steam header pressure.

Answer 48

Level, Steam flow, and Feedwater head pressure.

Answer 49

Drum level, Steam Flow, and Feedwater flow.

Answer 50

Steam flow, Drum Pressure, and Feedwater Flow.

Answer 51

To protect operators from being overcome by CO.

Answer 52

To make sure the oxygen levels in the flue are at the right level.

Answer 53

A forced air fan is much stronger than an induced draft fan.

Answer 54

To make sure there is enough air to combust all the fuel.

Answer 55

Keep the temperature below the dew point.

Answer 56

Not let the gases escape to the atmosphere.

Answer 57

Burn all excess hydrocarbons before venting the gas.

Answer 58

Keep the temperature above the dewpoint of condensation.

Answer 59

Differential Pressure

Answer 60

Discharge Valve

Answer 61

Suction Valve

Answer 62

Siphon Valve

Answer 63

to convert head to electricity to power the control panel.

Answer 64

protect the cooling system.

Answer 65

prevent equipment damage due to non-rod reversal.

Answer 66

to make the compressor more efficient

Answer 67

Variable Vane adjustment

Answer 68

Adjust suction pressure

Answer 69

Adjust discharge pressure

Answer 70

Adjusting the recirculating bypass control valve.

Answer 71

Load control

Answer 72

Speed control

Answer 73

Pressure control

Answer 74

Protection

Answer 75

Coalescing filter

Answer 76

Desiccant and coalescing filter

Answer 77

High level dump with high level shut down control

Answer 78

High/Low level control

Answer 79

Process Hazop

Answer 80

Field Devices

Answer 81

Logic Calculation (PLC/DCS)

Answer 82

Fine Control Element

Answer 83

Is not included in the basic control system.

Answer 84

Does not need to be tested after installation.

Answer 85

Requires special approval to operate.

Answer 86

Drawings must be approved by the regulating body before construction.

Answer 87

To force the valve open.

Answer 88

To force the valve closed.

Answer 89

To reduce the SIL level.

Answer 90

To verify the SIF.

Answer 91

Bits per second.

Answer 92

Number of discrete signal changes per second.

Answer 93

Digital characters per second.

Answer 94

Bad Ass Under Dog.

Answer 95

A voltage change between bit time is a 1.

Answer 96

Voltage stays steady at first then as the signal changes from a positive to a negative the voltage at the halfway point of the bit time and then returns to zero is a 1.

Answer 97

A 1 is represented by a signal change in either direction.

Answer 98

-3 to -25 V is a mark

Answer 99

Token Ring

Answer 100

Master / Slave

Answer 101

Connects to and send out a digital signal.

Answer 102

Receives a digital signal and outputs an analog signal.

Answer 103

Receives a digital signal and outputs an digital signal.

Answer 104

Converts one communication signal to another.

Answer 105

a phone line connected directly to COM1.

Answer 106

receiving a digital signal and sending a digital signal.

Answer 107

a modem that takes analog signals and converts them to digital signals usable by phone lines.

Answer 108

a modem that takes digital signals and converts them to a usable analog signal.

Answer 109

Amplitude modulation.

Answer 110

Frequency Shift Keying

Answer 111

Phase Shift Keying

Answer 112

Multidrop Bus

Answer 113

Point to Point

Answer 114

Microwaves

Answer 115

Uses Line of Sight

Answer 116

Follows the curvature of the earth.

Answer 117

is good for long distances.

Answer 118

Good for mountainous region.

Answer 119

Process Control

Answer 120

Error Calculations

Answer 121

Process feedback

Answer 122

Flow Computer

Answer 123

Control Valve

Answer 124

None of the above

Answer 125

Small Gas Plant

Answer 126

Beer Factory

Answer 127

Pump Shack

Answer 128

To connect remote processes with great distances between them.

Answer 129

To provide secure digital transfer of communication.

Answer 130

To provide clear guidelines for remote communication.

Answer 131

Data Values

Answer 132

Accounting Information

Answer 133

Commodities

Answer 134

A rack, controller module, power supply, I/O modules, and configuration software.

Answer 135

A rack, controller module, HMI, I/O modules, and configuration software.

Answer 136

A rack, UPS Systems, I/O modules, and configuration software.

Answer 137

I/O modules, and configuration software.

Answer 138

Upload program, save old program, make changes, and download changes.

Answer 139

Delete old program, make changes, and upload new programs.

Answer 140

Download program, save old program, make changes, and download changes.

Answer 141

Upload program, make changes, download changes, and program.

Answer 142

Analog Control

Answer 143

Analog and/or Discrete control

Answer 144

Slow Processes

Answer 145

Fast Processes

Answer 146

Ladder/FBD

Answer 147

Structured Text

Answer 148

Ladder Logic

Answer 149

Sequential Function Chart

Answer 150

Instruction List

Answer 151

Function Blocks

Answer 152

Function Block Diagrams

Answer 153

Machine List

Answer 154

Ladder Diagram

Answer 155

Structured Text

Answer 156

Master / Slave

Answer 157

Peer to Peer

Answer 158

Hardware and Software versions are the same number.

Answer 159

Software is compatible with field devices.

Answer 160

Software is compatible with hardware.

Answer 161

Software is functioning correctly prior to updating.

Answer 162

The input of the analog output function block

Answer 163

The output of the analog output function block

Answer 164

The output of the analog input function block

Answer 165

The input of the analog input function block

Answer 166

Inform operations, put loop in manual, make repairs, and commission loop.

Answer 167

Inform operations, make repairs, put loop in manual, and commission loop.

Answer 168

Make repairs, commission loop, and inform operations.

Answer 169

Make repairs, inform operations, put loop in manual, and commission loop.

Answer 170

Save data first.

Answer 171

Secure all processes and protect personnel.

Answer 172

The loop is set to manual.

Answer 173

PLC has backup power.

Answer 174

Var2 and 6

Answer 175

Signal Conditioning System

Answer 176

New Controller

Answer 177

Remote I/O

Answer 178

Extra Cabling

Answer 179

Extra memory

Answer 180

A data historian

Answer 181

A register

Answer 182

To raise production

Answer 183

To lower costs

Answer 184

For better reliability

Answer 185

To allow more streamlined control

Answer 186

Second Controller automatically takes over.

Answer 187

The changeover process begins.

Answer 188

The system is placed into manual until the changeover is complete.

Answer 189

The system continues to run under the last parameters until the second controller is activated.

Answer 190

For two way communication.

Answer 191

For duplex communication.

Answer 192

In case one cable breaks.

Answer 193

For better transmission quality.

Answer 194

There is no disadvantage to using auto tune.

Answer 195

Auto tune can sometimes over estimate error resulting in an increased gain.

Answer 196

Performance will be low compared to real tuning.

Answer 197

It will mask errors in the control scheme.

Answer 198

Update time of 10 mins.

Answer 199

Data points need to be as close to real time as possible.

Answer 200

Loop must be in manual.

Answer 201

Control System must not be live during tuning.

Answer 202

To fix software glitches.

Answer 203

To have the new version.

Answer 204

To take advantage of new features.

Answer 205

To fix security issues.

Answer 206

To combat color blindness

Answer 207

To "dummy" proof alarms.

Answer 208

To prioritize alarms.

Answer 209

To get rid of un-wanted alarms.

Answer 210

Control Database, HMI, and Controller

Answer 211

HMI and Controller

Answer 212

Software, Control Database, HMI, and Controller

Answer 213

Control Database, HMI, Rack, and Controller

Answer 214

Upload program, Download configuration changes, Verfiy changes.

Answer 215

Upload program, Download full configuration, Verfiy changes.

Answer 216

Download program, Make configuration changes, Verfiy changes, Upload Program.

Answer 217

Download program, Verfiy changes, Make configuration changes, Upload Program.

Answer 218

Administrator

Answer 219

Technician

Answer 220

Signal Booster, Filter, Inverter

Answer 221

Filter, Converter, Inverter

Answer 222

Rectifier, Filter, Converter

Answer 223

Rectifier, Filter, Inverter

Answer 224

To enable us to interact with a computer program.

Answer 225

To directly control the process.

Answer 226

To program and configure the controller.

Answer 227

To view operations of the plant.

Answer 228

Runtime software

Answer 229

Program or configuration software

Answer 230

Graphix based software

Answer 231

I/O Servers

Answer 232

Device Drivers

Answer 233

To separate carrier gas from sample.

Answer 234

To separate carrier gas from oxygen

Answer 235

To alter the column paths

Answer 236

To remove impurities before main column

Answer 237

Peak height

Answer 238

Elution Time

Answer 239

None of the above.

Answer 240

Temperature decrease from the sample absorbing IR.

Answer 241

Temperature increase.

Answer 242

Pressure Increase.

Answer 243

Pressure Decrease.

Answer 244

RTD attached to power supply.

Answer 245

Thermistor attached to power supply.

Answer 246

Heater connected to power supply.

Answer 247

Thermocouple attached to power supply.

Answer 248

Mobile Phase

Answer 249

Stationary Phase

Answer 250

None of the above.

Answer 251

Absorbance

Answer 252

Transmittance

Answer 253

Secondary Emissions.

Answer 254

Reflection

Answer 255

Chemiluminescence

Answer 256

Bioluminescence

Answer 257

Multiply Nitrogen by detector response.

Answer 258

Catalytic conversion of all NOx to NO.

Answer 259

Change detector to measure different types of NOx.

Answer 260

None of the above.

Answer 261

Alternates IR to the sample and references.

Answer 262

Simultaneously blocks all IR into the detector.

Answer 263

Reflects IR into the reference.

Answer 264

Reflects IR into the sample.

Answer 265

Ions according to their mass to charge ratio.

Answer 266

Molecules according to size.

Answer 267

Ions according to mass.

Answer 268

Ions according to charge.

Answer 269

If you are exposed to it for a year you are dead anyway.

Answer 270

Both are heavier than air so they can't be breathed in.

Answer 271

They will be scrubbed out by acid rain.

Answer 272

These substances get oxidized into the atmosphere and convert to SO2 and CO2.

Answer 273

PPM and PPB detectors

Answer 274

% Concentration

Answer 275

PPT Analyzer

Answer 276

All are acceptable.

Answer 277

Preventive / Reactive

Answer 278

Preventive / Predictive

Answer 279

Reactive / Predictive

Answer 280

Reactive / Preventative

Answer 281

Cost of inventory

Answer 282

Critical nature of systems

Answer 283

Time of delivery of spare parts.

Answer 284

Time to replace stock

Answer 285

To decrease production

Answer 286

To decrease safety

Answer 287

To decrease down time

Answer 288

To increase cost to companies

Answer 289

Demonstrate competency in the task.

Answer 290

Observe the task being done.

Answer 291

Take an exam and pass.

Answer 292

Have an authorized journeyman sign off.

Answer 293

Local apprenticeship office.

Answer 294

Provincial Apprenticeship Commitee

Answer 295

Allows inter-provincial mobility.

Answer 296

Allows global mobility

Answer 297

Gives a pay increase.

Answer 298

Provides differentiation between a journeyman and a continuing education applicant.

Answer 299

Sample Port

Answer 300

Sample System

Answer 301

All of the above

Answer 302

A Bio-light source.

Answer 303

No light source is needed it is the result of a chemical reaction.

Answer 304

A high molecular energy fluid and a catalyst.

Answer 305

It is an unexplained chemical phenomena.

Answer 306

Liquid Flow and Level

Answer 307

Liquid Level and Pressure

Answer 308

Gas and Liquid Level

Answer 309

Gas and Liquid Temperature

Answer 310

Refraction

Answer 311

Detraction

Answer 312

Reflection

Answer 313

Rack, Group, Terminal

Answer 314

Card, Tag, Terminal

Answer 315

Rack, Card, Controller

Answer 316

Terminal, Rack, Group

Answer 317

Input Voltage

Answer 318

Output Voltage

Answer 319

Reading in %

Answer 320

Numeric Value

Answer 321

Process Controller

Answer 322

Software Controller

Answer 323

Requires special training to operate

Answer 324

A decrease in proportional band or an increase in gain.

Answer 325

Manual Reset

Answer 326

Derivative

Answer 327

3 words, 16bits/word, 48 bits total

Answer 328

2 words, 24 bits/word 48 bits total

Answer 329

5 words, 16 bits/word, 80 bits total

Answer 330

4 words, 32 bits/word, 128 bits total

Answer 331

Geo-oriented

Answer 332

Geosynchronous

Answer 333

Preamble and Postamble

Answer 334

Precomm and Postcomm

Answer 335

Buffer and Render

Answer 336

Leader and Tail

Answer 337

Most Significant Bit (MSB)

Answer 338

Least Significant Bit (LSB)

Answer 339

Mean Significant Bit (MSB)

Answer 340

Lead Significant Bit (LSB)

Answer 341

DTE to DCE known as a Null Modem

Answer 342

DTE to DTE known as a Null Modem

Answer 343

DTE to DTE known as a Crossover Cable

Answer 344

DTE to DCE known as a Crossover Cable

Answer 345

Above the feed in

Answer 346

Under the feed in

Answer 347

Before the feed outlet

Answer 348

The base of the distillation tower.

Answer 349

The feed rate to reflux rate back to the tower

Answer 350

The amount lost to the process

Answer 351

Backwash from the oulet

Answer 352

Dead space at the top.

Answer 353

When the first overshoot is less than the second by a factor of 4.

Answer 354

When the first overshoot is greater than the second by a factor of 4.

Answer 355

When the overshoot is eliminated in 4 waves.

Answer 356

When the peak decreases by 1/4 of its height in through each wave.

Answer 357

A process without a controller.

Answer 358

When the set point is moved the system will stabilize on its own.

Answer 359

A process that cannot be changed through operator intervention.

Answer 360

A process without a controlled variable.

Answer 361

Dead Time (Lag)

Answer 362

Measurement

Answer 363

The manipulated variable

Answer 364

The measured variable

Answer 365

The response or reaction rate

Answer 366

Controller Output

Answer 367

Decrease in steam flow

Answer 368

Increase in steam flow

Answer 369

Pressure Increase

Answer 370

Temperature Loss

Answer 371

Trays will flood

Answer 372

Tower will empty

Answer 373

Tower is plugged

Answer 374

Too high of a temperature

Answer 375

Plugging at the inlet

Answer 376

A high vapor rate signaled by a decrease of the Differential Pressure

Answer 377

Critical failure

Answer 378

Provides manufacturer's with strict guidelines for communication

Answer 379

Networks all communications

Answer 380

Converts all signals to one standard langauge

Answer 381

Gas Laser Chromatograph.

Answer 382

Gas Liquid Chromatograph with Liquid sensor.

Answer 383

Gas Chromatograph with a Liquid column. (2 Phases)

Answer 384

Protection of equipment according to safety standards

Answer 385

To reduce error in rapid processes

Answer 386

To stop reset windup

Answer 387

For cascade systems with multiple slaves

Answer 388

Provides an Inert surface

Answer 389

To extend column life

Answer 390

To remove toxins that may poison the sensor

Answer 391

To reinforce columns from wear and velocity of the medium

Answer 392

Process dependent

Answer 393

Away from the wall at the center of the pipe

Answer 394

At the top of the pipe

Answer 395

At the bottom of the pipe

Answer 396

Text (Word)

Answer 397

Function Block

Answer 398

Programmer

Answer 399

Over the chassis back plate or back plane.

Answer 400

Through SCADA

Answer 401

Microwaves

Answer 402

Ensures excess air to prevent negative pressure in the firebox

Answer 403

To optimize the burner efficiency

Answer 404

Optimize fuel to additive ratio and maximize profits

Answer 405

Ensures excess air to prevent positive pressure in the firebox

Answer 406

Goes to the boiler master

Answer 407

Goes to the plant master

Answer 408

Goes to the PLC

Answer 409

Goes to the DCS

Answer 410

Reaction curve method in manual

Answer 411

Reaction curve method

Answer 412

Reverse control

Answer 413

Controlled variable to the measured variable

Answer 414

PV to the response

Answer 415

Measured signal to the controller output

Answer 416

None of the above

Answer 417

Cascade Control

Answer 418

Signal Booster

Answer 419

SMART controller

Answer 420

Removes disturbances in the manipulated variable

Answer 421

Removes disturbances in the controlled variable

Answer 422

Redundancy

Answer 423

All of the above

Answer 424

0.5 Gain and a 0.05min/rpt, PB of 2

Answer 425

5 Gain and a 0.05min/rpt, PB of 10

Answer 426

1 Gain and a 2min/rpt, PB of 2

Answer 427

2 Gain and a 0.75min/rpt, PB of 3

Answer 428

Non-noisy processes (Temperature)

Answer 429

Noisy Processes (Flow)

Answer 430

Stable Processes (Level)

Answer 431

Fast Processes (Pressure)

Answer 432

Analysis time

Answer 433

How they separate ions

Answer 434

Gas or Liquid Phase

Answer 435

Source method

Answer 436

Separates components

Answer 437

Filters out dangerous components

Answer 438

Protects the unit from High Pressures and Temperatures

Answer 439

Provides different process connections

Answer 440

Type of component to be measured

Answer 441

Amount of concentration that can be measured

Answer 442

Manufacturer

Answer 443

ASCII and RTU data formats

Answer 444

A Two Emitter system

Answer 445

Compensate for air disturbance

Answer 446

Compensate for crackling

Answer 447

Function without ratio control

Answer 448

Optimize fuel

Answer 449

Dual Element

Answer 450

Double Drum

Answer 451

Tandem Boilers

Answer 452

PID block or Set point tracks the controller output on manual

Answer 453

Necessary for auto-tune

Answer 454

Live error measuerment

Answer 455

Used to ensure the controller output is actuated correctly

Answer 456

Continuous computing

Answer 457

Output tracking

Answer 458

Cascade control

Answer 459

Redundant controllers

Answer 460

Saturated or has reached saturation

Answer 461

Integral failure

Answer 462

Improper Manual Reset

Answer 463

Any combination of the above

Answer 464

High temperature and high vacuum

Answer 465

Low temperature and low pressure

Answer 466

High temperature and low vacuum

Answer 467

Low temperature and high pressure

Answer 468

Liquid level, non-compressible

Answer 469

Gas pressure, high energy

Answer 470

Both are noisy

Answer 471

Both are not noisy

Answer 472

Retention Time

Answer 473

Elution Time

Answer 474

Peak Height

Answer 475

Time of flight

Answer 476

Elution Time

Answer 477

Retention Time

Answer 478

Peak Height

Answer 479

Sample under pressure

Answer 480

Gets rid of the heavy component of contamination

Answer 481

Removes erroneous readings present at start up

Answer 482

Provides a representative sample for configuration

Answer 483

Allows the senor time to stabilize prior to the next reading

Answer 484

Local microprocessor card

Answer 485

Control Board

Answer 486

All of the above

Answer 487

The final value

Answer 488

First order curve

Answer 489

Self integrating

Answer 490

First order + Dead time

Answer 491

None of the answers are correct

Answer 492

Depends on the sensor

Answer 493

The wrong tieback

Answer 494

The wrong controller is the Master

Answer 495

Too much integral applied on the slave

Answer 496

Too much derivative applied on the Master

Answer 497

Parameters to be measured

Answer 498

Certification completed

Answer 499

Certified technicians for maintenance

Answer 500

In redundant instrumentation and auctioneering

Answer 501

SIL applications only

Answer 502

Cascade control

Answer 503

Complex level with multiple measurements

Answer 504

At the lowest input

Answer 505

At the highest input

Answer 506

Outside the calibrated range

Answer 507

High Pressure

Answer 508

Low Pressure

Answer 509

Exponential

Answer 510

Logarithmic

Answer 511

Either 3 positives and 1 negative or 3 negatives and 1 positive

Answer 512

2 positives and 2 negatives

Answer 513

All positives

Answer 514

1 Negative

Answer 515

Life span of a UV source is short

Answer 516

Sensor contamination from external sources

Answer 517

Poisoning from external light

Answer 518

Sets frequency of the analyzer

Answer 519

Checks the sensor has not become saturated

Answer 520

Used to block the measuring and the reference beams alternatively

Answer 521

None of the above

Answer 522

Ambient SO2

Answer 523

Ambient NOx

Answer 524

Various gases

Answer 525

Microprocessor

Answer 526

Flash memory

Answer 527

Remove multiple controller interaction

Answer 528

Open the loop

Answer 529

Eliminate the Master measured variable

Answer 530

Add an additional controller

Answer 531

One measured variable is being controlled by the ratio of another measured variable

Answer 532

One measured variable is being controlled by the ratio of another controlled variable

Answer 533

One controlled variable is being controlled by the ratio of another measured variable

Answer 534

One controlled variable is being controlled by the ratio of another controlled variable

Answer 535

DAS is information collection only

Answer 536

SCADA requires a satellite connection

Answer 537

DAS is limited by 2 GB of memory

Answer 538

SCADA requires an external power supply

Answer 539

List non-compliant equipment

Answer 540

Reduces communication requirements

Answer 541

Explains changes and modifications to the plant layout

Answer 542

None of the above

Answer 543

Com 1, 2, and 3

Answer 544

Com 4, 5, and 6

Answer 545

Com 1, 5, and 6

Answer 546

Com 2, 3, and 6

Answer 547

Error between SP and PV always present. (Offset)

Answer 548

No automatic function

Answer 549

Error is not consistent

Answer 550

Slow reaction time

Answer 551

Derivative is used for a multi-capacity system

Answer 552

Derivative is used for a single capacity system

Answer 553

Derivative is used for a first order process

Answer 554

Derivative is used to reduce dead time

Answer 555

Both absorb and adsorb

Answer 556

Separates liquid components

Answer 557

Allows the process to reach the correct pressure and temperature for analysis

Answer 558

All of the above

Answer 559

Actual Dead Time

Answer 560

Theoretical Dead Time

Answer 561

Calculated Dead Time

Answer 562

An error driven control system in which the control signal to the actuators is proportional to the difference between the command signal and a feedback signal from the process variable being controlled.

Answer 563

Data extracted from the process reaction is used to calculated the next response

Answer 564

Error is monitored through the "downstream" reaction

Answer 565

Additional measurement after the FCE is used to calculate the controller response

Answer 566

One rung at a time, top to bottom, left to right

Answer 567

One rung at a time, bottom to tom, left to right

Answer 568

One rung at a time, top to bottom, right to left

Answer 569

All rungs at once, top to bottom, left to right

Answer 570

A Yagi antenna is a unidirectional antenna commonly used in communications when the frequency is above 10Mhz

Answer 571

A Yagi antenna is a multidirectional antenna commonly used in communications when the frequency is above 10Mhz

Answer 572

A Yagi antenna is a unidirectional antenna commonly used in communications when the frequency is below 10Mhz

Answer 573

A Yagi antenna is a multidirectional antenna commonly used in communications when the frequency is below 10Mhz

Answer 574

Amplitude 1/Amplitude 2 ( 180 degrees out of phase)

Answer 575

Amplitude 1/Amplitude 2 ( 360 degrees out of phase)

Answer 576

Amplitude 2/Amplitude 1 ( 180 degrees out of phase)

Answer 577

Amplitude 1/Amplitude 4 ( 1080 degrees out of phase)

Answer 578

Amplitude 2/Amplitude 1 (360 degrees out of phase)

Answer 579

Amplitude 1/Amplitude 2 (180 degrees out of phase)

Answer 580

Amplitude 4/Amplitude 1 (1080 degrees out of phase)

Answer 581

Amplitude 2/Amplitude 1 (180 degrees out of phase)

Answer 582

Controlled variable and disturbances

Answer 583

Measured signal and error

Answer 584

Dead time and offset

Answer 585

Pressure & Temperature

Answer 586

Through the Field bus

Answer 587

Through the Profi bus

Answer 588

Controller to PC

Answer 589

Controller to PLC

Answer 590

Controller to DCS

Answer 591

Controller to SCADA

Answer 592

Look at it through a filter

Answer 593

Potential combustion

Answer 594

Reduces oxygen present

Answer 595

FID (Flame ionization detector)

Answer 596

PID (Photo ionization detector)

Answer 597

Wheatestone bridge

Answer 598

Electron sensor

Answer 599

It would have a square root extractor and it would oscillate at high flow due to the high gain at high flow of the extractor

Answer 600

It would have a square root extractor and it would oscillate at low flow due to the high gain at low flow of the extractor

Answer 601

It would oscillate at high temperature due to high gain

Answer 602

It would oscillate at high pressure due to low gain

Answer 603

English words (Like “C”)

Answer 604

Multiple outputs

Answer 605

Live fucntioning

Answer 606

Configurable systems

Answer 607

Scattering, absorption, bending and connection

Answer 608

Poisoning, absorption, bending and connection

Answer 609

Scattering, adsorption, bending and connection

Answer 610

Absorption, bending and connection

Answer 611

The first step in a fuzzy interfering process

Answer 612

When a signal becomes fuzzy (Erratic)

Answer 613

When the control output is changed before being actuated

Answer 614

All of the above

	Criado por Brennan Brow mais de 8 anos atrás

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