Answer Posted / guest

WHAT ARE YOU TALKING ABOUT.WHAT IS THE QUESTION, WHAT
READINGS ARE THESE VOLTAGE OR AMPERES

If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?

1740

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Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.

1567

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What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?

1636

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What are the various types of rotor used in the alternators?

618

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Discuss about gear cutting machines.

784

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Define demand factor?

655

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Explain the difference between verilog task and verilog function?

751

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What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.

1244

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Which standard we are following earthing resistance test

977

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if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

1463

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Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

1701

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Why efficiency in thermal power plant is low?

646

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A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.

2017

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i want wipro vlsi placement pattern please send me

1306

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What is the mmf,rgt and ngt please brief completely

1160

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