formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?

2272

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I've been running into situations where a relief valve is being used to protect a regulator. Is this common? And, is this a proper use of a relief valve?

2046

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how much leakage current is allowed in MC61A L&T make relay?

3700

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What is LB-SR.

3068

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Which will have more strain energy 1.Spring 2.Circular disc 3.Solid square plate.

2470

---

draw vector diagram and +ve,zero sequence diagram of symmetrical three phase fault.

2088

---

which protection function should measure RMS value of current&DFT value of current?

2137

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what are the analog quality input for protection function?what are minimum reqiments?

1902

---

what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?

1973

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how to calculate the length diamond shaped striupps in column

2827

---

Interview question paper

2487

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How many types of oil spilling available?

2266

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What is UPS and How do you maintain the UPS Maintenance? Brief Description on UPS maintenance.

2639

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what is the theoritical percentage of concrete cubes testing per day?

5199

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concept of busbar and load dispatching..?

2495

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