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

2212

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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?

2003

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

3656

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What is LB-SR.

3019

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

2421

---

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

2032

---

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

2084

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

1857

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

1923

---

how to calculate the length diamond shaped striupps in column

2765

---

Interview question paper

2436

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How many types of oil spilling available?

2220

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

2595

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

5130

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concept of busbar and load dispatching..?

2430

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