Then fan after boiler with flue gas will have induced draft, and the fan that has duct connecting to boiler will be the forced draft.Forced draft will give positive pressure to boiler and induced will give negative draft to the boiler.
Basic Instrumentation Specialist Job Interview Questions
Professional Instrumentation Specialist Job Interview Questions
General Instrumentation Specialist Job Interview Questions
Tell me in some cases we have to select the cam position in a control valve for different application? How do we select that?
Explain what is ATEX directives / FM Approval / CSA approved / CE certified ? What is the importance of individual certification? Are all these certification required for each instruments? Which certification do we prefer?
Tell me while locating Instrument & JB which things we have to consider?
Explain different parts of a pressure gauge. Explain the use of hair spring in the pressure gauge
Explain what are primary elements of measuring pressure? Which type of pressure can be measured by these elements?
Explain me why and where do we use seal pots and condensate pots in level transmitters?
Explain why control mode specification is given in the data sheet of the transmitter?
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