WorksheetsElective 1
Total questions: 37
Worksheet time: 34mins
Type of signals that is represent in either TRUE or FALSE
Analog
Digital
Recommended type of cable to be used for analog instruments
twisted, shielded core cable
twisted, shielded pair cable
Process control loops is consist of Transmitters, Control System, Valves, and Electrical Drives
True
False
Choose the correct device to complete the loop.
3-15psi, I/P Converter, P/I Converter, Signal Conditioning
4-20mA, ADC, DAC, Signal Conditioning
4-20mA, DAC, ADC, Signal Conditioning
Which data are not included in PFD?
Instruments
Shutoff Valves
Vents and Drains
All of the above
One of the main deliverable of Front End Engineering and Design
PFD
P&ID
Both A and B
This document used during pre-EPC, EPC and operation
PFD
P&ID
Both A and B
Valve action "FC" stands for
Failed close, Air to open
Failed close, Air to Close
Pressure element that has a range of -1 to 1600 kg/m2
Bellows
RTD
Bourdon Tube
Diaphragm Pressure Gauge can be used to measure and control pressure of both liquids and gases in a system.
True
False
It is defined as the percentage of full-scale range.
Repeatability
Accuracy
Instrument Range
Recommended normal operating range of instruments must be confined to____ of the full scale.
50 - 75% of FS
25 to 50% of FS
25 to 75% of FS
If the process fluid is a liquid, what is the ideal installation of a pressure gauge?
If the piping is in horizontal orientation, tapping point should be in 0 or 90 or 180 degree.
If the piping is in vertical orientation, tapping point should be in 0 or 90 or 180 degree.
If the piping is in horizontal orientation, tapping point should be in 0 or 180 or 225 or 315 degree
If the piping is in vertical orientation, tapping point should be in 0 or 180 or 225 or 315 degree
Both a nd b
Which type of syphons to be used for horizontal pressure tapping?
Q-Type
U-Type
O-type
Which type of syphons to be used for Vertical Pressure Tapping
Q-type
U-type
O-type
Type of manifold that can be used for DPT
2 way manifold
5 way manifold
none of the above
A device used to protect pressure gauge when pressure exceeds the maximum pressure rating of the gauge.
Diaphragm Seal
Gauge Saver
Pigtail
Instruments installed close to the process or measuring point.
Panel Instruments
In-Field Instruments
Standard output signal of Pneumatic Instruments
4-20mA
3-15psi
0-5bar
What is instrumentation System?
It is a alphanumeric code codes that provide specific information about an instruments and its functions
Tag number
Loop Number
Function Identifier
It is considered the language of Instrumentation
Tag number
Terminologies
Symbols
A part of the valve that used to adjust the position of the valves based on the desired set point of the process variable.
Limit Switches
Solenoid
Position Transmitter
Positioner
I/P Converter
It is also called Control Algorithm.
Process control
Controller
Error Detector
A type of loop that does not depend on the changes of the process variable, its control action will be based on the input on the process.
Open Loop
Closed Loop
Identify the symbols shown below.
Identify the symbols shown below.
Identify the symbols shown below.
Identify the symbols shown below.
Identify the symbols shown below.
What is ZSH and ZSL shown in the picture?
Identify the symbols shown below.
Identify the symbols shown below.
Identify the symbol shown below.
Identify the symbol shown below.
Identify the symbols shown below
Explain Instrumentation and Control
