How to calibrate Vacuum Gauges if you don't have any standard gauge available with you? please suggest procedures for calibration of Vacuum gauge like pirani gauge ,cold cathod gauge,thermocouple gauge without any standard gauge.

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what is production

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can anybody provide me the HPCL apptitude papers?am having the test on this feb 19th 2008 so plz

3 Answers   HPCL,

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tell me the example of cam in daily use

2 Answers  

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a three phase squirrel cage induction motor runs slow? list all possible reasons for such fault.

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What are your specific job requirements in mechanical engineers?

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TRANSACTION CODE FOR GR/IR ACCOUNT CLEARING WITH POSTING DATE OF GR (MATERIAL DOCUMENT POSTING DATE)TO CHECK ACTUAL CLEARING GR/IR CONTROLLING ACCOUNT

1 Answers  

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1.5 ton how many amps

2 Answers   SAS, Suvidha Engineers,

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Why rockets using liquid hydrogen have higher specific impulse compared to liquid hydrocarbon ?

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DURING STEAM BLOWING OF PIPE LINE, A BLUISH COLOR CONICAL PATTERN IS OBSERVED AT THE END OF PIPE. WHATS THE CONCEPT BEHIND IT?

1 Answers  

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What is welding defect?

3 Answers   FAG, IOCL, Sona Koyo,

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What would be the effect of surface roughness on the gas flow through convergent-divergent nozzle?

1 Answers  

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