MMD / MCA ORALS >> MEO Class 4 Exam oral questions and answers
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MEO CLASS 4 EXAM ORAL QUESTIONS AND ANSWERS BY MR-S-C-MAJUMDAR - LATEST QUESTIONS



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Q. 1) What is the purpose of thermostatic expansion valve in refer system?

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    Q. 2) What is Bridge guage?

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      Q. 3) What is Trammel guage?

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        Q. 4) What is Poker guage?

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          Q. 5) What is meant by Galvanic corrosion?

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            Q. 6) Sacrificial anodes how does it protects?

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              Q. 7) Difference between compound gauge and pressure guage?

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                Q. 8) Explain Air compressor unloader working?

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                  Q. 9) Reasons for foaming in boiler?

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                    Q. 10) What is the Steam trap purpose and explain its working?

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