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how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)

1983

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What is the differance between 2 dc motors of armature voltage 660 v and 440 v?

1983

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What are marginally stable systems?

1102

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what is earthing.how we make it,describe briefly.

2621

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What is Surge Capacitor? Why it is require in Generator Circuit Breaker,inspite of surge arrester?

3132

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please anybody help me to find out the BHEL trainee Exam previous year questions papers . if u ve pls. send it to surekhared@gmail.com

1965

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Why is better to have a minimum ceiling voltage of 250% than 160%?

1844

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how to decide the panel size like MDB ,SMDB PANEL SIZES

7374

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1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

2005

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What is a differential amplifier?

1254

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how to discharge 3 phase power factor correction capacitors

2466

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How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........

2508

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What is the reason for using a GE G101 MCB in place of an EP102 MCB if both are capable of AC circuit protection?

2648

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why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

1840

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What are the disadvantages of autotransformer?

1115

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