4th Year

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

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In a 2X2 multivariable system with controlled variable b1 and b2 and manipulated variables m1 and m2. With m2 constant, a 10% change in m1 causes a 7% change in b1 and a 12% change in b2. With m1 a constant, a 1% change in m2 caused a -12% change in b1 and a 5% change in b2. Analysis of the OLM will show that......

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Ratio control is defined as....

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If 14mA is input a ratio station (r=0.5) the output will be?

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Feed Forward control is defined as.....

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Feed Foward control with feedback trim is used because?

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Feed Forward control uses what to help control the loop?

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A controller using split range has Valve A open from 0 to 100% when the controller is outputting 0-50% 4-12 mA and valve B open from 0 to 100% when the controller is outputting 12-20 mA. What is the position of Valve B if the controller is outputting 75%?

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A problem with split range control is

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Two characteristics used in distillation control are:

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Reflux Ratio is:

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Flooded Trays can be diagnosed by:

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Feed into distillation column should enter

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In an industrial type boiler there is a sudden increase in steam demand. This will cause the steam drum level to.....

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Three measurements in a boiler steam drum level controller are.....

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The purpose of ensuring a boiler firing box is operated at negative pressure is...

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One consideration when operating a stack gas heat recovery system is you should.....

1

How do you control load in a centrifugal compressor?

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The purpose of a thermocouple on a discharge reciprocating compressor is.....

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How to control surge in a centrifugal compressor?

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What is a bypass valve used for in a reciprocating compressor?

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How to prevent liquid spillover into the compressor?

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What is not part of an SIS?

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What is true of an SIS system?

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What SIL Level is 10,000 to 1000?

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Why would PST (Partial Stroke Testing) be selected on SIS Control Valves?

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What is baud?

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What is a characteristic of RS-232 Protocol?

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What kind of access method is used by Modbus?

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A modem using digital modulation....

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Digital data can be sent over a PSTN phone network using...

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A bell 202 modem uses this on its main channel

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What topology does HART use when digital signaling?

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How many characters per second are transmitted when a serial communication port has the following configuration 7, N, 1, 2400 Baud?

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What is not part of the EM spectrum?

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What is a characteristics of UHF?

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What kind of signal does the diagram represent?

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What is the processor in a SCADA RTU responsible for?

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What equipment is found at a SCADA host site?

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Which one of the below requires SCADA?

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Why do we need SCADA systems?

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Custody transfer when referring to a SCADA system represents what being traded?

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What is needed for a PLC to function?

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What is the proper procedure for making changes to PLC programming?

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Where are configuration and control programs stored in case of power failure?

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What would FBD be used for?

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A process needing analog control and discrete control would use what langauges

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What language is best for batch control?

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What is not an IEEE 61120 language?

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Two PLC's are conncted using RS-232, What topology is this?

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What should be considered when updating the PLC Software Version?

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What FB Value should be connected to the PV of this function block?

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What is the proper procedure to repair broken equipment?

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When forcing logic in a PLC what precautions need to be taken?

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In the following structured text statement what will be used to finish the calculation?
Var1 = (Input, Integer)
Var2 = (Internal, Real)
Var3 = (Output, Integer)
Var4 = (Output, Real)
Var5 = (Internal, Integer)
Var6 = (Input, Real)
SUM = (Internal, Real)

SUM:=5.0 + _____

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The following RTU needs to execute a sequential function chart program light is initially off. When the start button is pressed light comes on. Light stays on for 2.5 Seconds. Once light turns off wait for start button to be pressed again. Which program will accomplish this task correctly?

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When installing several devices that are too far away from the PLC, what must you also install?

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When there is a need to trend values what component of a DCS needs to be added?

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Why do we use redundancy in a DCS System?

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What happens in a DCS with redundant controllers if the main controller fails?

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Why do we use redundant cabling in DCS systems?

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What is the disadvantage of using the auto tune feature in the DCS?

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When using trending in a DCS for loop tuning what feature is most important?

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What's not a good reason to upgrade software versions of the DCS?

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Why do we have alarm management software?

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Prioritize these alarms from Most to Least critical:
1. Data Communication is broken.
2. PV out of range on Transmitter.
3. Gas Leak.

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What are the main parts of a DCS?

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What is the procedure for making changes to to a DCS configuration?

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What access level must you have to make changes to a DCS configuration?

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What are the main components of a VSD?

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If a VSD has a 4-20 mA input and is controlled from 1800 to 3600 rpm, What will the speed be if the input is 8mA?

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What is not the purpose of an HMI?

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What type of program must be used to develop an HMI for use on a monitor?

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How do you connect an HMI to a different manufacturer's controller?

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What is pre-cut column used for?

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How is concentration determined from a chromatogram?

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What will happen to an IR Analyzer detector as IR passes through the sample?

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Describe the function of a Peltier Cooling Device.

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What is the difference between a GC and an LC?

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Florescence is what kind of analysis

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NO + O3 -> NO2 and infared radiation is what kind of reaction?

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How to measure total oxides of Nitrogen?

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The chopper in a combined beam IR analyzer does what?

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What does a Mass Spectrometer separate components into and measure?

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Alberta workplace hazardous protection values for H2S and CO are only given in 1 and 24 hour exposure limits. Why?

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What accuracy of analyzers must be used to monitor ambient concentrations of SO2, NO, H2S?

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When performing maintenance planning what reduces downtime the most?

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When stocking parts what needs to be considered?

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What are KPI's used for?

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In order to sign off on a specific task what must the apprentice do?

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Who makes the trade outline?

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What does a red seal do?

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A sample loop replaces?

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What light source is required for chemiluminescence?

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What are two similar types of process?

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A wavelength passed through a prism is an example of?

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What are Modicon addresses?

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How many slaves are available on Modbus?

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An Allen Bradley PLC is addressed by?

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An Allen Bradley PLC's Input terminal LED shows?

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MOORE controller symbol means what?

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Data communication going only going 1 way to a remote station to a local station, What type of communication does this represent?

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A P only controller offset is reduced by?

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In an Allen Bradley PLC how large is a T timer?

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When SCADA is using Satellite communication it is called?

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What are the frames or boundaries of a Synchronous data stream?

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What is the first bit after the start bit on Asynchronous communication, RS232?

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This diagram is called?

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Where is the rectifying section?

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What is reflux ratio?

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What is ¼ amplitude decay?

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What is a self regulating process?

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What is the most difficult process aspect to control?

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What does a control valve control?

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What is represented by the slope of a reaction curve?

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What is the definition of Shrink in a boiler system?

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What government agency sets safety standards?

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What happens if the differential pressure (∆P) increases in a distillation tower?

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What causes dry trays in a distillation tower?

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A UV analyzer measures?

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What does OSI (Open System Interconnection) do?

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What is a GLC?

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Selective control is used for?

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What is the solid packing in a Gas Chromatograph is used for?

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A sample probe should be placed where in the pipe?

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What language does a SFC (Sequential Function Chart) use?

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C programming uses?

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How does an Allen Bradley PLC communicate to different modules?

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Dirty windows block?

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What type of communication does Baseband use?

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Cross limiting fuel control is used for what?

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Where does signal from a steam signal controller boiler on a multi capacity system go?

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How do you tune a hi-capacity tank?

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What is the definition of Ratio?

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Use R=Ro(SPANw)/SPANc to solve ratio question?
Ro = 5
SPANw = 350
SPANc = 1400

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What is a valve positioner equivalent to?

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Benefits of cascade control?

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Typical flow controller will have what settings?

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A PID controller will work best on what type of process?

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What is the difference in types of mass spectrometers?

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What does the manifold do in a Mass Spectrometer?

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What does the length of a cell represent?

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Modbus communicates in?

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Differential Signal communication is?

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Parallel fuel and air does not?

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What type of boiler control uses large steam capacity in relation to it’s drum capacity?

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What is the Hayes command to a modem?

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Output tracking is?

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In Feed forward control what must occur?

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PI Controller with a prolonged error is said to be?

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Mass spectrometers operate on?

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Liquid level or gas pressure, which is noisier?

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What is the qualitative output from a Chromatograph?

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What is the qualitative output from a Mass Spectrometer?

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What is the qualitative output from a Gas Chromatograph?

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A permeation tube is filled with?

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What does precut do?

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Where is PID executed in a DCS?

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Allen Bradley looks at what when considering a function?

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Self regulating process with a step change give what output?

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What is the range given -20 to 50°C?

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What is the problem if reset windup is present in a non-select controller in a selective system?

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What does the “Operating license” in analyzers tell you?

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Where can you use a median selector?

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Where is the highest gain on a square root extractor?

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In a cascade flow loop the 2nd loop oscillates when?

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If step change is introduced into a single capacity process, what is the output?

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What does a positive matrix have?

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What precautions do you take with a UV source?

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What does an IR chopper do?

1

Fluorescence analyzer does what?

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With a 9 psi signal and a ratio of 1.4, what is the output?

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Where are FCO and Function Blocks stored in a MOORE controller?

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How do you de-couple?

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What is ratio control?

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What is the difference between SCADA and DAS?

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What is a HART transmitter operating in when connected on a multidrop?

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Exception reporting does what?

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What are the serial ports called or alternate names for DTE’s?

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What is the factor of Dead time?

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What is the problem or disadvantage with P-Only control?

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What is the purpose of Derivative?

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A stationary liquid column in a GLC does what?

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What is effective dead time?

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What is the definition of feedback control?

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How does an Allen Bradley PLC read?

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What is a Yagi antenna used for?

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What is QAD gain?

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What is the QAD damping factor?

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What is the QAD decay ratio?

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What are the two feed forward process measurements required?

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How is a smart transmitter connected to a DCS?

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Controller configurations are uploaded to?

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What is a precaution when dealing with UV radiation?

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What type of detectors do Gas chromatographs normally use?

1

What state would the secondary flow loop in a cascade loop be?

4th Year Apprenticeship Test

4th Year

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

Ratio control is defined as....

If 14mA is input a ratio station (r=0.5) the output will be?

Feed Forward control is defined as.....

Feed Foward control with feedback trim is used because?

Feed Forward control uses what to help control the loop?

A controller using split range has Valve A open from 0 to 100% when the controller is outputting 0-50% 4-12 mA and valve B open from 0 to 100% when the controller is outputting 12-20 mA. What is the position of Valve B if the controller is outputting 75%?

A problem with split range control is

Two characteristics used in distillation control are:

Reflux Ratio is:

Flooded Trays can be diagnosed by:

Feed into distillation column should enter

In an industrial type boiler there is a sudden increase in steam demand. This will cause the steam drum level to.....

Three measurements in a boiler steam drum level controller are.....

The purpose of ensuring a boiler firing box is operated at negative pressure is...

One consideration when operating a stack gas heat recovery system is you should.....

How do you control load in a centrifugal compressor?

The purpose of a thermocouple on a discharge reciprocating compressor is.....

How to control surge in a centrifugal compressor?