What is method to calculate the noise level at any point of duct if duct dimensions and air flow is known?

0 Answers  

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i have an iterview on 18 sep for bhel ,pls send some questions asked during interview during the earlier interview on 11th sep

0 Answers  

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What is the name given to portion of thermal energy to be necessarily rejected to environment ?

0 Answers  

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DIFFRENCE BETWEEN ISO AND TS

0 Answers   Bhel,

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What causes friction in the cylinder?

0 Answers   RRB,

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If you are scientist to b e and you wish to develop a self-generating power appliances, what would b e the ranking of importance to apply your concept of creating energy using alternator: 1. Washing Machine 2. Motor Water Pump 3. Electric Fan 4. Electric Stove 5. Flat Iron – Which one will b e your foremost and the least at the rank of 1 to 5? Why is that so? Defend your answer.

0 Answers  

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why we are not using the unit joule for torque instead of N-m.

18 Answers   BARC, ONGC,

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How many type's of bearings.

11 Answers   HEG,

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what is meant by straem lines?

1 Answers  

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what is the difference between air-conditioner and cooler?

2 Answers  

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In which reactor the coolant and moderator are the same ?

0 Answers  

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Which pollutant is major greenhouse gas and what is its effect ?

0 Answers  

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