how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.

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what is the formula for calculating motor rating? Example: If we want to rotate a 1000 kg waight disc up to 100 RPM, which size motor will require?

1 Answers  

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How i can decide that HVDC line is best for transmission.

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What is meant by class of CT&PT?

1 Answers  

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A low wet bulb temperature indicates

0 Answers   Caterpillar,

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what is JE exam?

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what is cable meggering formula for low voltage ?

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What are all the points to be checked for a newly re-winded motor before installation

1 Answers   Cisco,

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can v use earth as nutral. yes than y.if not y.

3 Answers  

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Why efficiency of generator is higher than motor at a particular load?

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Why VCB is required and ACB is also require? what is the BDV of Trafo of 11/33 KV

1 Answers  

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we have 400kv/6.6kv transformer ,it has total 9 taps on HV side with normal tap on tap no 5.when we took the ratio test we observed that ratio was decreasing from tap 1 to tap 5 and was found increasing from tap 5 to tap 9.What is the reason?if anyone have related document then please send me on the email id ankushbahale@gmail.com......plz plz

1 Answers  

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