Day 2 Flashcards

Reviewer (28 cards)

1
Q

Other name for Yamatake System

A

azbil

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2
Q

What is used in ultrasonic flow meters?

A

Doppler

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3
Q

Which type of body is independent of temperature and wavelength?

A

gray body

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4
Q

Electronic noise inside an electric conductor which is independent of applied voltage

A

Johnson Noise

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5
Q

Difference between measured value and set point

A

error

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6
Q

Which industry produces electricity aside from its main product?

A

sugar industry

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7
Q

system for prediction of non- electrolyte activity in non ideal mixtures

A

UNNIFAC method

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8
Q

Importance of SCADA

A

automation

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9
Q

Other term for Galvanic corrosion

A

Bimetallic corrosion

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10
Q

What is above the feed plate

A

Rectifying Section

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11
Q
Material of Construction:
Austenitic -
Ferritic - 
Martensitic - 
Duplex -
A

Austenitic - Most popular
Ferritic - Cost less
Martensitic - requires pre-heating and postweld
Duplex - higher yield strength

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12
Q

Example of Hagreave’s Process

A

Production of Sodium Sulfate (Na2SO4)

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13
Q

If the concentration of the reactant increases, the half-life decreases. What is the order of the reaction?

A

2nd Order Reaction

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14
Q

At what order is the reaction time directly proportional to the concentration of the reactant?

A

Zero Order Reaction

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15
Q

How is fluctuation in the process controlled?

A

Equipping the instrument with integral control

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16
Q

Definition of Noise in Process Control

A

Noise makes the process variable appear to deviate from the setpoint whether any real disturbance is at work or not.

17
Q

Temperature in which the Reactor condition cannot be controlled

A

Runaway Temperature

18
Q

Which is an example of Pseudo Plastic fluid?

a. applesauce
b. tap water
c. rubber latex
d. sewage sludge

A

a. Applesauce

19
Q

Product of distillation of Coal tar

20
Q

Simplest type of controller expressed as On/Off

21
Q

What is the Boudouard Reaction?

A

It is the disproportionation of carbon monoxide into carbon dioxide and graphite or its reverse

2CO CO2 + C

22
Q

Type of Fluid that decreases Shear rate over time

A

Dilatant (Shear Thickening)

23
Q

What is a Refractory Material?

Composition of the following:
A. Acidic Refractories
B. Basic Refractories

A

A mineral that is resistant to decomposition by heat, pressure, or chemical attack, most commonly applied to a mineral that retains strength and form at high temperatures.

A. Alumina (Al2O3), and Silica (SiO2)
B. CaO, MgO, etc

24
Q

Glass that does not break when heated and then cooled

A

Tempered glass

25
Variable deviation from set point
Noise
26
Control used in fluctuations
Integral Control
27
Noise inside an electrical conductor
Johnson Noise
28
What is Error in process control?
difference between set-point and process variable