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Instrumentation Interview Questions
Questions Answers Views Company eMail

What is instrumentation control?

150

Explain types of valves?

167

Why plc require in analog input 4-20amp & 0-10 volt?

151

What is the difference between mmwc and mmwg?

153

Explain the difference between mmwc and mmwg?

183

Explain why use mmwc unit?

148

What are the types of valves?

152

Where is wet leg is used?

158

Explain the difference between differial pressure & delta pressure?

136

Define cryogenic?

151

Explain why plc require in analog input 4-20amp & 0-10 volt?

142

Explain the difference between plc and cnc?

143

Explain the key components of control loop?

147

WHAT IS THE CAM POSITION IN CONTROL VALVE POSITIONER ? WHY IT IS USED?

115

how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.

130


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Un-Answered Questions { Instrumentation }

What is furnace draft control?

190


There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?

957


how to measure oxygen which methods are using?

1030


what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .

3944


Whether the DI, DOs shields can be connected with Analog Input Shield Earthpit?

951






Meaning of the following a. IOP- Manimum; b. IOP- Maximu,;

1117


How the sizing of the analog signal cable is calculate?

1428


What is offset in a control system.

6548


can anyone tel the syllabus or previous year question paper for BHAVINI(EIE)2014.

1484


how to control pid

987


What is the difference between uv and ir scanners? and what is the workig principle of both

1500


What is eddy current? Describe the operating principle of proximity probe.

1341


HI, can anybody give details about GAS TREATMENT PLANT CONSTRUCTION,as INSTRUMENTATION ENGINEER what are the responsibilites.what are the instruments mainly instrumentation engineer will deal with

1156


1.what is the power consumption of three element drum level control in sugar industries? 2.how to reduce that?

797


what is the difference between scaler and vector drive

1195