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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In a tractor wheel, why is the Disc polygonal in shape (like a square, hexagon or octagon) whereas for Commercial vehicles and Passenger Cars the wheel has a circular disc?

4 Answers  

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Identify the parts of indicator diagram?

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what is birnollei theorm

2 Answers  

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Choose dehumudification method.

5 Answers   BEL, L&T,

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What is a stage in a steam turbine?

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What are the defects in exhaust valve?

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bearings types

5 Answers  

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What to write.. for perception about ntpc.. when you are applying for its interview?

0 Answers   NTPC,

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How to check temperature controller?

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i am from karnataka can i able to apply appsc

0 Answers  

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what is critical speed?

1 Answers  

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