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Saturday, April 6, 2013

Advanced Instrumentation & Process Control Course Test



 5-Day Intensive Course
In

Advanced Instrumentation & Process Control


Abu Dhabi : 24 – 28 October  2010

Pre & Post Course Test  total grade is 100 grade

          
Participant Name: _________________________                            Date: _____________

1.     Safety through automation

To achieve safety through automation in Process Plant Control Hierarchy shall include the followings:  grade (10)

·       ………………………………..,                                                                      
·       ………………………………..,                                                                      
·       ………………………………..,                                                                      
·       ………………………………..,      

2.     Control concept

Mention 4 objects of Control concept:  grade (10)

·         ………………………………..,                                                                      
·         ………………………………..,                                                                      
·         ………………………………..,                                                                      
·         ………………………………..,      

3.     Flow measurements  grade (10)

Answer by True or False                                                                           True   False






 
·         Differential Pressure Transmitter   is used to measure  pressure variable 
·         O/P of analog  Differential Pressure Transmitter  is digital signal  
·         Differential pressure transmitter equipped with two valve three way 
Valve manifold

·          Orifice plate is used to measure flow
·          Orifice as a method of flow measurement is more
Accurate than ultra sonic 
·       Electromagnetic flow meter is based on differential pressure method
·       Electromagnetic flow meter is used to measure nonconductive fluid
·       Venture tube is used to measure viscous fluid
·       Retrievable orifice plate is junior type 
·       Volumetric flow unit is ……kg/ hr

4.     Pressure measurements grade (10)

Answer by True or False                                                                           True   False






 
·         Pressure is force / unit area
·         Diaphragm capsule is used as sensing element to
Measure pressure variable 
·         O/P of smart Pressure Transmitter  is digital signal  
·         pressure transmitter equipped with three  valve five  way   
Valve manifold
·         Pressure gauge is used to measure flow
·       Pressure variable  unit  ……kg/ cm2, psig, kbascal
·       Burden tube is used to measure low  pressure value 
·       Spiral / helical tube is used to measure high pressure value 
·       Drain bot is used in vapor pressure measurement application
·       Piso electric  is pressure measuring element  



5.     Level measurements grade (10)

Answer by True or False                                                                           True   False






 
·         Length cm/ mm/ inch are  units of level measurements  
·         Diaphragm capsule is used as sensing element to
Measure level in vessels / storage tanks   
·         O/P of analog  level Transmitter is digital signal  
·         Displacer / float are sensing elements for level  
·         Radar tank gauging is accurate method of level measurement  
·       Drib ring is used to drain liquid upon calibration  
·       level glass is local level gauge procedure   
·       Level glass types are reflex , transparent  
·       Float type level switches are commen use in wast waterc / swege systems
·        Reflex level glass is used to measure interface level

6.     Temperature measurements  grade (10)

Answer by True or False                                                                           True   False






 
·         Degree Fahrenheit / Celsius  are  units of temperature  measurements  
·         Fahrenheit  = Celsius * 9/5 +32 
·         RTD/ TC   are sensing elements  to measure  temperature   
·         Temperature thermometer is local temperature gauge   
·         Thermal pulp  is filled with non voltile liquid
·       TC is based on platanium resisance wire
·       RTD Is based on two different metal/ cold and hot junctions
·       Thermal pulp  cabilry is filled with gas 
·        RTD three wire is more accurate than TC in temperature measurment        
·       Three wire RTD is used to compansate for wire length


7.     Gas  measurements  grade 10)

Answer by True or False                                                                           True   False






 
·         Catlytic type gas detector is used to measure gas concentration
·         Open path gas detector is accurate method in measuring
 gas leak  
·         Open path gas detector is based on infra red type    
·         Advantge of catlytic gas detector is potential posisioning  
·          Catlytic type gas detector is point gas detector    
·       Catlytic type gas detector is based on chemical reacation
and thermal effect  
·        Gas components  can  be detected by IR  red / catlytic gas detectors
·                 
·        


8.     PID  Controller  (10)

Answer by True or False                                                                           True   False






 
·         proporational effect is direct proporational with controller gain
·         Increasing proporational band increase gain
·         Integral effect is direct proporational with controller gain
·         Increasing integral increase gain
·         Derivative effect is direct proporational with controller gain
·         Increasing derivative increase gain
·         Derivative action is used in all PID mode of operations  
·       Increase derivative may lead to plant flactuation    
·       Integral effect is to enhance and improve controller algorithm
·       In pressure / flow / level  control derivative effect is mandatory        
9.     HIPPS & SIL grade (10)

Answer by True or False                                                                           True   False






 
·         HIPPS system is used to protect systemmagainst excesive flow rate
·         HIPPS system is used to protect systemmagainst excesive pressure 
·         HIPPS system is operated with single hardware technique
·         HIPPS system is fault tolrant sysetm 
·         IN HIPPS system sensing device/ transmitters are single device
·         Safety integrity level study is done during plant normal operation  
·         Safety integrity level study is done to identify hazardous condition  
·       Safety integrity levels are  four levels  
·       Safety integrity level 1. Is the hihest level that need
     conservative control system design 
·       Safety integrity level 3. Is the hihest level that need
conservative control system design 
10.                 Pressure Reliving Devices  (10)
Causes that may cause pressure increase include the following: grade (10)


 
-        Failure on Control& S/ D Valves    


 
-        Power Failure

-        Instrument Air Failure 

-        Human Error 

-        Control System Failure  

Benefits of Installing Overpressure Devices: 

-        Environmental Protection,

-        Equipment Failure and Repeated S/D

-        Compliance with Governmental Code

-        Potential for Damage Due to High (or low) Pressure
Is Identifying during HAZID Study

Over Protection Devices Types, One Of The Following Or All 
                                                         
-        Safety Relief Valves                                                                    

-        Pilot Operated Valves

-         Rupture disk                                                       


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