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Practical instrumentation for automation and process control 2

Practical instrumentation for automation and process control 2

... systems and control valves It can be argued that a clear understanding and application of the instrumentation and control valves systems is the most important factor in an efficient and successful control ... valves Rotary valves Control valve selection and sizing Control valve characteristics/trim Control valve noise and cavitation Actuators and positioners operation Valve benchset and stroking Impact ... Instruments and Control Valves as part of the Overall Control System Below is a diagram outlining how instrument and control valves fit into the overall control system structure The topic of controllers...

Ngày tải lên: 01/01/2014, 21:15

374 452 3
IEC 60947 6 2 low voltage switchgear and controlgear   multiple function equipment   control and

IEC 60947 6 2 low voltage switchgear and controlgear multiple function equipment control and

... SWITCHGEAR AND CONTROLGEAR – Part 6-2: Multiple function equipment – Control and protective switching devices (or equipment) (CPS) Scope and object This part of IEC 60947 applies to control and protective ... to 6.1.1 and 6.1.2 above: – Data a and b and relevant operational data under d, e, and f – Data a and b shall be marked on the CPS and preferably on the nameplate if any – Data under c and n shall ... International Standards transparently to the maximum extent possible in their national and regional standards Any divergence between the IEC Standard and the corresponding national or regional standard...

Ngày tải lên: 04/04/2014, 12:00

216 541 5
Volume 17 - Nondestructive Evaluation and Quality Control Part 2 pps

Volume 17 - Nondestructive Evaluation and Quality Control Part 2 pps

... in Metallography and Microstructures, Volume of ASM Handbook, formerly 9th Edition Metals Handbook and in Ref Electrolytic Preparation Technique Although electrolytic polishing and etching techniques ... "Standard Practice for Production and Evaluation of Field Metallographic Replicas," E 512-87, Annual Book of ASTM Standards, American Society for Testing and Materials A.M Bissel, B.J Cane, and ... areas: • • • • • • • • • Flaw detection and evaluation Leak detection and evaluation Metrology (measurement of dimension) and evaluation Location determination and evaluation Structure or microstructure...

Ngày tải lên: 10/08/2014, 13:20

80 411 1
NOISE AND VIBRATION CONTROL Episode 2 docx

NOISE AND VIBRATION CONTROL Episode 2 docx

... Approximate Sensitivity and Response tion, mechanical equipment selection and isolation, and vibration isolation for the sensitive equipment are required d Vibration criteria for sound control Vibrating ... Constant and distance This can be expressed by equation 3-1: where D1 and R1 are the distance (in feet) and Room Constant (in ft.2) values for the measured or known sound pressure level LpD1Rl; D2 and ... R1 and R2 is used and the equation is solved For a complete analysis, the calculations must be carried out for each octave frequency band c Simplified table for SPL correction for distance and...

Ngày tải lên: 13/08/2014, 05:22

13 272 0
CRITICAL DIMENSION AND TEMPERATURE CONTROL IN MULTI ZONE THERMAL PROCESSING 2

CRITICAL DIMENSION AND TEMPERATURE CONTROL IN MULTI ZONE THERMAL PROCESSING 2

... 3.2 50 Performance and computation time of MMPC and Standard MPC with Nu = 20 3.6 46 Performance and computation time of MMPC and Standard MPC with Nu = ... controller for bake-plate temperature control can be found in [35] and [47], and feedforward control was reported in [55] In addition, a Linear Quadratic Gaussian (LQG) controller has been applied to ... MPC and its Computational Load Evaluation 3.1 Introduction In Chapter 2, the bake-plate is controlled by PI controller To improve the temperature control performance further, Model Predictive Control...

Ngày tải lên: 10/09/2015, 15:48

99 192 0
bài tập  Data Types (p.2) and Sequence Control PPL HCM

bài tập Data Types (p.2) and Sequence Control PPL HCM

... main, assuming a Operands are evaluated left to right.7 b Operands are evaluated right to left.12 Question 5: There are variables subject to changes inside the loop: i, b, and a, which hold the ... ii a > b xor c or d a a b c

Ngày tải lên: 14/11/2015, 19:43

3 287 0
Period 2 REVISION ON ENOUGH AND ADJECTIVE ORDER.doc

Period 2 REVISION ON ENOUGH AND ADJECTIVE ORDER.doc

... Read the passage and answer the questions below: When I was twelve, my family moved to the city At first, everything was strange and difficult to me Life in the city is always busy and the people ... Certainly 34 Let me help you the house d Oh, have we? I’ll go and get some milk What you know about the Sun? e It rises in the East and set in the 5West I’m bored f Yes, I’d love to 67 Where is ... a hurry Lots of bikes, motorbikes, cars and buses coming from every direction scared me Now I get used to the life in the city I am used to the noise and busy city traffic I’m no longer afraid...

Ngày tải lên: 09/07/2013, 01:26

6 597 18
ESTROGENIC ACTIVITY LEVEL OF NAKDONG RIVER BASIN AND ITS CONTROL BY WATER TREATMENT PROCESSES

ESTROGENIC ACTIVITY LEVEL OF NAKDONG RIVER BASIN AND ITS CONTROL BY WATER TREATMENT PROCESSES

... Andong Daegu Busan Andong Waegwan Gangjung Daegu Gumho Riv Goryung Brd Hwang Riv Jeokpo Brd Namji RESULTS AND DISCUSSION Nam Riv Fig shows the sampling points along of Nakdong River in May, and ... excluding Namji and Nam River in May 2002 Yeast Two-hybrid assay and ELISA method for Nakdong River water revealed that estrogenic substances and activity is distributed over the whole middle and downstream ... E2, E1, and APE concentrations for the secondary treatment water and for ozone treatment water in the sewage treatment plants than for the inflow water (Figure3 and Table 2) In domestic and industrial...

Ngày tải lên: 05/09/2013, 08:40

6 484 0
Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 2: Heat conductance allocation and pressure ratio optimization

Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 2: Heat conductance allocation and pressure ratio optimization

... U T , (uh )Π and π Π max, increase, and (ul )Π max, and (uk )Π max, max, decreases, (ui )Π max, decrease first and then increase Figures7 and show the characteristics of Π max, and (ηex )Π max, ... max, changes slightly, (uk )Π max, decreases, and (ui )Π max, , (ul )Π max, , and π Π max, increase Figures9 and 10 show the characteristics of Π max, and (ηex )Π max, , (u j )Π max, , j = h, l ... Figure that Π max, and (ηex )Π of b It can be seen from Figure 10 that with the increase of b , (uh )Π increases, (ul )Π max, decreases, and (ui )Π max, and π Π max, max, max, and π Π max, versus...

Ngày tải lên: 05/09/2013, 14:58

8 394 0
Multi criteria analysis in environmental management: Selecting the best stormwater erosion and sediment control measure in Malaysian construction sites

Multi criteria analysis in environmental management: Selecting the best stormwater erosion and sediment control measure in Malaysian construction sites

... III = Seeding and planting, IV = Geotextiles and mats, V = Terracing Based on equation above, the recommended best control measure for controlling erosion due to land clearing and when the area ... addition to flow control and pollution removal The application of BMPs facilities involves a variety of stakeholders in both the public and private arenas and therefore their development and design ... Environmental TSS Control Removal cost Material availability Social and community Public health & safety risk Turbidity Control Risk of BMP fail Stakeholder acceptability Figure Erosion and sediment control...

Ngày tải lên: 05/09/2013, 16:11

10 466 0
let''''s go 2A unit 2 let''''s read and let''''s listen

let''''s go 2A unit 2 let''''s read and let''''s listen

... Warm up and review: H·y nèi c¸c bøc tranh sau víi c¸c tõ t­¬ng øng? Tranh Tõ cat Tranh hat Tranh Warm up and review: H·y nèi c¸c bøc tranh sau víi c¸c tõ ... Lesson 16: Unit 2: Let’s read and let’s listen I) Let’s read bed hen net red pen pet Ted ten wet Wednesday, October, 13rd, 2010 Lesson 16: Unit 2: Let’s read and let’s listen I) Let’s read ... read 1.Word Families -ed -en -et Wednesday, October, 13rd, 2010 Lesson 16: Unit 2: Let’s read and let’s listen I) Let’s read 1.Word Families 2.Can you read? Ted is in the red bed The ten pens...

Ngày tải lên: 30/09/2013, 02:10

26 1.4K 9
Command-Line Editing and History

Command-Line Editing and History

... the command line is command and file completion With this feature, you can start to type a path or command, and once you’ve typed a sufficient number of characters for the path or command to be ... 100 CHAPTER 15 ■ COMMAND -LINE EDITING AND HISTORY When you enter command mode you start at the bottom of your history and press the K key to move back up through the ... the prompt for a long time, and my fingers are accustomed to moving to the correct keys This has improved my speed and agility immensely when working at the command line If you’re not comfortable...

Ngày tải lên: 05/10/2013, 08:51

3 300 0
Lab 9.2.5 VTP Client and Server Configurations

Lab 9.2.5 VTP Client and Server Configurations

... following command to turn it back on Switch_A#vlan database Switch_A(vlan)#vtp server Switch_A(vlan)#exit Step Create and name three VLANs Enter the following commands to create and name three ... steps are complete, logoff, by typing exit, and turn all the devices off Then remove and store the cables and adapter 5-6 CCNA 3: Switching Basics and Intermediate Routing v 3.0 - Lab 9.2.5 Copyright ... mode enter the command reload Switch(config)#reload The responding line prompt will be: System configuration has been modified Save? [yes/no]: Type n and then Enter The responding line prompt will...

Ngày tải lên: 16/10/2013, 21:15

6 532 0
Pro .NET 2.0 Windows Forms and Custom Controls in C#

Pro .NET 2.0 Windows Forms and Custom Controls in C#

... custom controls you can create and see how to set up a custom control project You’ll then continue to create user controls, which combine other controls into reusable groups (Chapter 10); derived controls, ... child controls In other words, controls are linked together by containment using the Controls collection Because every control is a class that derives from System.Windows.Forms .Control, every control ... ■■■ ■CHAPTER Custom Controls Custom Control Basics 321 Understanding Custom Controls 321 Types of Custom Controls ...

Ngày tải lên: 19/10/2013, 21:15

1.1K 965 5
Activity 6.2: Determining Requirements, Wants, and Constraints

Activity 6.2: Determining Requirements, Wants, and Constraints

... scenarios, the business challenge and vision statement, and the case study, you should be able to determine the requirements that are critical from business and user perspectives Requirement ... challenge and vision statement List the constraints in the space provided Suggest the implications for the constraint on the business challenge and vision statement Constraint Implications and potential ... Wants, and Constraints Exercise 1: Determining Requirements ! Review case study for requirements (10 minutes) Review the case study in light of the business challenge, vision statement, and requirements...

Ngày tải lên: 22/10/2013, 16:15

4 387 0
Module 2: Using Web Parts and Digital Dashboard Components

Module 2: Using Web Parts and Digital Dashboard Components

... Information in this document is subject to change without notice The names of companies, products, people, characters, and/ or data mentioned herein are fictitious and are in no way ... title and navigation areas and the five digital dashboard zones Module 2: Using Web Parts and Digital Dashboard Components Overview Slide Objective To provide an overview of the module topics and ... Using Web Parts and Digital Dashboard Components # Understanding Web Parts Slide Objective To outline this topic Lead-in Web Parts form the building blocks of digital dashboards and can contain...

Ngày tải lên: 23/10/2013, 00:15

48 539 0
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