what is the difference between metalhalide and mercury vapour lamp

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what is the defination of Cable database? What are the points are considered while preparing cable database? Is there any sample available for cable database?

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How to convert from HP to BHP please explain????????

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1.WHAT IS A SMART CAPABLE DB ( DISTRIBUTION BOX) ? 2. HOW TO DECIDE THE TYPE OF DB TO BE USED ( RECESSED/ PLUG TYPE/ SMART ETC ETC? 3. WHAT IS MILLENEUM BUS BAR USED IN DB? 4.DIFFERENTIATE MCCB AND MCB.

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What test must you do before powering up a circuit that you have been working on?

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can a synchronous motor be made to rotate in a clockwise direction ?

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What is stacking factor? What is its approximate value?

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difference between slippring induction motor and Generator?

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difference between alternator & GENERATOR

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why battery dc voltage become Half when we check with respect to ground for example 120volts + and - terminals and when we check + terminal with Earth thats 60volts why 60volts same result on 24Volts and with ground 12Volts only expert answer that thanks we can not ground the battery.

2 Answers   Etimaad,

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what is the calculation formula for motor starting torque,running torque, running torque.

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what is relation between voltage and current and don't take resistance here. if we supose say when there is increase in voltage whwt happens to current?is it decrease or increase?

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