Final Flashcards
(108 cards)
1
Q
What type of sensor is illustrated below?
A
A capacitance cell
2
Q
What are the typical measurment units that are used in this device?
A
differential “wc
3
Q
The most common components that are usually found in a pneumatic measurment device are:
A
bellows, flapper/nozzle, force bar, diaphragm
4
Q
Which of the following is NOT a pressure sensor?
A
A) reluctance cell
B) capacitance cell
C) piezo-electric cell
D) thermocouple cell [Correct Response]
5
Q
What type of sensor is shown below?
A
capacitance
6
Q
The liquid level in the tank can be found by:
A
Subtracting the measurement on the tape from the physcial height of the tank
7
Q
A hydrostatic level measurement can be obtained because:
A
A vertical column of liquid exerts a pressure on the botom of a column due to gravity
8
Q
What is this instrument called?
A
a hydrostatic level transmitter
9
Q
What type of level measurment device utilizes Archimedes’ Principle?
A
A Displacer
10
Q
Temperature is defined as:
A
measure of the average molecular kinetic energy within a substance.
11
Q
A process variable is defined as:
A
the variable that is a part of the process and contributes to its overall characteristic.
12
Q
The variable that is required to be controlled is called
A
controlled variable
13
Q
The target value of the process is called:
A
the setpoint
14
Q
An example of a primary sensing element is:
A
an RTD
15
Q
A device that converts 3-15 psi to 4-20 mA is called a:
A
a P/I
16
Q
The LRV and URV of a process that ranges from -300C to 500C, and represented by a standardized electronic transmitter would be:
A
4mA= -300C 20mA = 500C
17
Q
The zero and span for the previous question would be:
A
zero = -300C span = 800C
18
Q
What does this symbol represent?
A
Discrete instrument located on the front of a main control panel
19
Q
This type of symbol is commonly used to represent:
A
A shared instrument mounted on a control panel
20
Q
What does this symbol represent?
A
A Turbine Meter
21
Q
What does this symbol represent?
A
Flanged connection
22
Q
What does this symbol represent?
A
A pressure regulator sampling the downstream pressure in the regulator
23
Q
What type of documentation is used to help an installer electrically connect various instruments together?
A
loop diagram
24
Q
A _________________ is used to graphically indicate and schedule tasks and identify a crtical path for a project.
A
Gantt chart
25
Which piece of documentation would typically include a Bill of Materials?
Installation drawing
26
Select the correct description for the following drawing:
Loop 301 is a pneumatic control loop, sending out a 3-15 psig signal to a positioner controlled ball valve.
27
Where can you typically find a signature block on a drawing?
Near the lower right hand side of a drawing.
28
Which word describes " a process where certain molecules from a fluid stream will move onto the surface of a soldi sunstance"
Adsorption
29
Which of the following does not retain a pressure, in order to move a force bar?
Flapper/Nozzle
30
What else needs to be known in order to infer accurate level in a storage tank, beside hydrostatic pressure?
Temperature of the fluid
31
An evaporator...
makes more efficient use of energy if done in stages
32
Proper fuel flow to a burner of a boiler
requires slightly less fuel than theoretically (stoichiometrically) required
33
Reciprocating compressors are designed to move
gas a high discharge pressures
34
A boiler that has the tubes heated on the inside is called
fire tube boiler
35
What happens to the steam, after it passes through the low pressure stage of a turbine?
It is condensed to water and fed back to the boiler
36
What gas plant process separtes raw feedstcok into liquids and vapors?
inlet separation
37
Vacuum distillation can be used for separting:
heavy, low vapor pressure components
38
Changing bitumen into synthetic crude oil is called:
upgrading
39
A steam turbine operates on the principle that when:
a heated fluid, under pressure, is allowed to expand it will release energy into the surroundings
40
The super heater:
increases the efficiency of the HP, IP, LP turbine stages
41
When we see an increase in heat loss in a boiler turbine, we would see:
a decrease in efficiency due to unrecoverable heat loss
42
LPGs are:
components of natural gas that are liquids under pressure and separated into propane or butane that is commerically available
43
Propane used in BBQ would be considered a(n):
LPG
44
Which symbol would be used to perform a calculation in the field?
C
45
What is the main difference between Smartplant P&ID and Visio?
Smartplant P&ID is a server, rule based progam; while Visio is a stand alone program
46
Which of the following drawings show the least amount of material detail?
Functional diagrams
47
What is a Regulation?
A governmental order having the force of law that contains more information than that Act from which it came
48
Which of the following rules have legal force, or could be enforced in a court of law?
A pressure relief device for a boiler must be set to open before the pressure in the pressure equipment exceeds the maximum allowable working pressure of the pressure equipment.
49
What type of documentation is used to take a complex task and reduce it to smaller tasks?
work breakdown structure
50
What three resource windows are usually shown in Smartplant P&ID?
catalog explorer, properties, and engineering editor
51
A tag can be created in either the instrument index or wiring module of Smartplant SPI
True
52
You can size a turbine meter in Smartplant SPI
False
53
What is the difference between the following two diagrams?
A is a hydrostatic level device; while B is a displacer type
54
Which of the foolowing is the smallest hydrocarbon molecule?
methane
55
Natural gas usually have the folowing componets associated with it:
carbon dioxde, hydrogen sulfide, water vapor
56
Natural gas could produce several acids when combined with
water
57
LPG stands for:
liquid petroleum gas
58
Ethanol has a higher boiling point than water
False
59
What does the following symbol represent?
Distillation column
60
Which process is described as: d(volume)/dt
found in various pipelines?
flow
61
What other information is required to convert a volumetric flow rate to a mass flow rate?
density
62
What does this symbol mean?
Compressor
63
Which of the following is not a characteristic of Smartplant P&ID?
does not flag inconsistent connection items.
64
What does this symbol represent?
centrifugal pump
65
What does this represent?
boiler
66
What is an example of a device that adds or removes energy from a process?
pump
67
What type of device allows energy to be transferred form one fluid to another, but will not allow the fluids themselves to interact?
heat exchanger
68
The only product of value in a combustion reaction is:
Heat
69
Every unit operation follows this principle:
must have a mass or energy balance
70
In order for a cable to be connected to a junction box, in SPI, it must first:
have a template in the domain explorer
71
You have all the process data entered into the calculation module of SPI, except the process line. How would you create it?
Create the line in the process data module
72
The last thing to do when completing the physical wiring design in SPI is:
cross wire the marshalling panel
73
If everything is correct in the SPI wiring scheme then the tags will:
propogate from the field devices to the input termianls of the DCS
74
The following is called a:
Gantt Chart
75
Task descriptions and Contributors are summarized by
a responsibility chart
76
Which tag describes the component that is used for basic process control?
FCV-104
77
What is the purpose of the 3 way solenoid valve,
XV-103?
Will release the air pressure from the piston actuator during an emergency shutdown
78
What standard symbology mistake do you notice?
the connection symbol between FIT-104 and FE-103 is incorrect.
79
The circled numbers convey:
quantity and material descriptions as referenced to a Bill of Material list
80
This diagram illustrates the inter-relationship between cause and effect of the input and output of a physical system and includes various signal types.
Wiring Diagrams
81
What SPI module or area would you enter I/O information?
the instrument index
82
What resource is accessed in order to bring various instrument types into the drawing space of Smartplant P&ID?
Catalog Explorer
83
When you right click on the inconsistencies on the drawings in P&ID, a dialog box shows up that will:
provide information you can use to make a change in the drawing
84
Which controllers are used to set the reflux ratio?
FC-12 and LC-12
85
When operating at it's maximum efficiency, the column will have...
..an established temperature gradient along the length of the tower
86
What is added to the basic components of a boiler to increase its efficiency?
a superheater
87
If a river or lake is not available to cool the low pressure exhaust steam, in a boiler system then a(n)\_\_\_\_\_\_\_\_\_\_\_\_\_\_ can be used
cooling tower
88
Cooling the exhaust steam will
increase the thermal efficiency of the boiler
89
Water from the condenser in a power plant boiler system is re-used
True
90
Condensed water is pre heated by the reheater before it is sent back to the steam drum
True
91
What type of cable is used to connect a field device to a junction box?
1P#20 B,W I/S
92
What values can't be changed in the DCS panel using the properties dialog box?
Tag number
93
Which DCS terminal analog device, FY-100, be connected to?
one of the A/O terminals
94
Before we can perform an orifice plate sizing, we need to create the ____________ in SPI, assuming we already have the process data
tag number
95
What is the system called that constantly checks for high high or low low alarm condions and initiates a pre-determined shutdown?
Safety Instrumented System ( SIS )
96
What would you investigate, if a tag does not propogate all the way to the DCS system, in SPI wiring, and you know that all the wires have been terminated correctly and the devices are powered up?
check the cross wiring in the marshalling panel
97
Which item does not belong?
A) specification module
B) process data module
C) engineering editor [Correct Answer]
D) domain explorer
E) reference explorer
F) instrument index
G) calculation module
H) wiring module
98
Electronic field devices require..
a tag number
99
Sizing a control valve will produce a
Cv
100
Orifice plates are manufactured using this data
Beta ratio
101
This number is required before sizing information can be transferred to a specification sheet.
form number
102
A method used in project managment; which uses a Gantt chart
Schedule
103
The project is reduced to smaller, more manageble sections
Work Breakdown Structure
104
A piece of documentation which relates a task to a particular person
Role and Responsiblity chart
105
This document is sent to a Vendor for quotation purposes
Specification sheet
106
An instrument installer would require this piece of documentation.
Installation diagram
107
This diagram, does not illustrate all components, but is used to convey the overall process in a particular unit
Process Flow Diagram
108
