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INST 257 > INST 257 - Quizes > Flashcards

INST 257 - Quizes Flashcards

1
Q

According to ISA a process is defined as…

A

an operation that involves a change in energy, state or compositon

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2
Q

The variable that required to be controlled is called…

A

process variable

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3
Q

Pressure, level and temperature are all examples of…

A

process variables

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4
Q

The target value of the process is called…

A

the setpoint

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5
Q

An example of a primary sensing element is

A

a temperature element

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6
Q

A device that converts 4-20 mA to 3-15 psi is called a:

A

converter

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7
Q

We have a 0-100 psi process signal; which is to be represented by a 4-20 mA standardized signal. We would use a controller.:

A

False

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8
Q

The LRV and URV of a process that ranges from 300C to 500C, and represented by a standardized pneumatic tranmsitter would be:

A

3 psi = 300C 15 psi = 500C

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9
Q

What device compares two signals?

A

a controller

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10
Q

The manipulated variable in a home heating system wuld be:

A

the gas flow to the burner

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11
Q

If we bypass the controller in a control loop, we say the process is under:

A

manual control

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12
Q

In which of the following regulations or codes can you find rules for Personal Protective Equipment?

A

OH&S

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13
Q

Can a consumer alter a CSA approved product and maintain the CSA acceptance?

A

Yes, only if CSA approval is re-applied for and granted.

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14
Q

The Association of Sciences and Engineering Technology Professionals of Alberta

A

Works with other Association Professionals to approve membership in it’s organization

Evaluates the qualifications of individuals who voluntarily apply for Certification.

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15
Q

What organziation ensures fariness when filling up your car at a gas station?

A

Measurment Canada ( Industry Canada Weights and measures)

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16
Q

Why should members of a Professional Association conduct themselves with dignity and respect?

A

To maintain a high level of integrity in the work environment

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17
Q

What does the acronym CSA stand for?

A

Canadian Standards Association

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18
Q

The purpose of instrumentation standards, codes, regulations and rules is to:

A

provide a means of conducting a safe, efficient and common work environment in instrumentation

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19
Q

An Act is a ___________ passed by parliament to provide for a safe working environment.

A

law

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20
Q

What does ANSI stand for?

A

American National Standards Institute

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21
Q

What organization regulates the use of a pressure safety valve ( PSV )?

A

Alberta Boiler and Safety Association

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22
Q

Where can the regulations or codes be found which deal with rules for Area Classification of Hazardous locations?

A

CEC

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23
Q

What should I consult to find rules governing how Professional drawings should be layed out?

A

ISO

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24
Q

An act can only be __________by an order of Parliament

A

approved

25
Q

What organization determines the frame size of an electric motor?

A

National Electric Manufactures Association ( NEMA )

26
Q

AGA 3 is used for what purpose and what does AGA represent?

A

To measure gas and liquids across an orifice plate and it stands for the American Gas Association

27
Q

Where would you go to find information on standards for control signals?

A

ISA

28
Q

Where would you go if you wanted to know about safe working practices on the job site?

A

Alberta Occupational Health and Safety

29
Q

If you need to refer to a pressure related regulation, you would research:

A

Alberta Boiler Safety Association

30
Q

A queston came up about the size of wire we could use to connect a motor to a 240VAC service. We would consult:

A

Canadian Electric Code

31
Q

What section in the CEC covers bonding and grounding?

A

10

32
Q

What does the following acronym symbolize:

I/A

A

Instrument Air.

33
Q

What is the main difference between Smartplant P&ID and Visio?

A

Smart plant P&ID is a server, rule based progam; while Visio is a stand alone program.

34
Q

Which of the following drawings show the greatest amount of detail?

A

Loop drawings

35
Q

The type of bubble or the lines within the bubble, representing a field device, indicates its :

A

location

36
Q

All instruments used in a loop drawing, have:

A

an input and output.

37
Q

What does LSHH mean?

A

Level Switch High High means an alarm is sent and an automatic shutdown is initiated.

38
Q

What type of drawing illustrated the algorithms used in a control systems, rather than the physical components.

A

Functional diagram

39
Q

What is the purpose of a P&ID?

A

To describe how piping, processes, equipment and instrumentation are inter-connected

40
Q

Name two important Instrumentation Documents that can be generated using SPI

A

Specification Sheets and an Instrument Index.

41
Q

Which word describes “ a process where certain molecules from a fluid stream will move onto the surface of a solid substance”

A

Adsorption

42
Q

Which of the following is not a pressure to force converter?

A

Orifice plate

43
Q

What else needs to be known in order to infer the liquid level in an open tank, beside pressure and density?

A

local gravitational constant

44
Q

An evaporator…

A

makes more efficient use of energy if done in stages

45
Q

Proper fuel flow to a burner of a boiler

A

requires slightly less fuel than theoretically (stoichiometrically) required

46
Q

Reciprocating compressors are designed to move

A

gas a high discharge pressures

47
Q

A boiler that heats the inside of tubes is called

A

fire tube boiler

48
Q

What happens to the steam, after it passes through the low pressure stage of a turbine?

A

It is condensed to water and fed back to the boiler

49
Q

What gas plant process separtes raw feedstcok into liquids and vapors?

A

inlet separation

50
Q

Vacuum distillation is well suited for separting:

A

heavy, low vapor pressure components

51
Q

Changing bitumen into synthetic crude oil is called:

A

upgrading

52
Q

A steam turbine operates on the principle that when:

A

a heated fluid, under pressure, is allowed to expand it will release energy into the surroundings

53
Q

The super heater:

A

increases the efficiency of the HP, IP, LP turbine stages

54
Q

When we see an increase in heat loss in a boiler turbine, we would see:

A

a decrease in efficiency due to unrecoverable heat loss

55
Q

Separtion in a depropanizer is due to:

A

components have different boiling points

56
Q

Liquids from natural gases can be produced using:

A

a turboexpander, cryogenic process

57
Q

NGLs are:

A

components of natural gas that can exist as a liquid at room temperature in a closed vessel under pressure.

58
Q

Condensate is made up of components of:

A

NGLs

INST 257 (7 decks)

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