How to measure sound level of engine of tractor?

1 Answers  

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why otto cycle more efficient than diesel cycle for same comp. ratio and heat input?

2 Answers  

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What is the basis of selection of type of pump (Centrifugal, Vertical Turbine)

2 Answers   DAE, DCSEM, Energy Plus,

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While normal carburising and nitriding surface treatments increase fatigue strength, excessive treatment may decrease the fatigue strength. Why ?

0 Answers  

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What is meant by shell and tube heat exchanger?

0 Answers  

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welding electrodes consumption

1 Answers  

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What for zinc finds applications ?

0 Answers  

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Is cnc operating experience is must for successful career in cad/cam?How to make salary jump in this field of cad/cam?

0 Answers   Bhel, TATA,

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What are topping and superposed turbines?

0 Answers  

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I HAVE SELECTED INTERVIEW FOR GOVT POLYTECHNIC LECTURERS.I DONT KNOW ANYTHING.PLZ HOW INTERVIEW WILL GO AND WHAT QUE'S SUPPOSE TO ASK ABOUT SUBJECT.PLEASE SEND QUE'S AND ANSWERSTO MAIL OR CALL THIS NO:9966924990.PLZ HELP ME.

0 Answers  

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What do you analyze from boiler water analysis?

0 Answers   ABC Inc, RRB, Siemens,

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Critical speed of turbine means the natural frequency and resonance frequency are matching and cause for vibration and noise. which is the natural frequency. how it reflect in vibration.

0 Answers  

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