Answer / ajay

VAT - Value Added Tax

It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.

0 Answers  

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There is two transformers of 2MVA & 3MVA, which transformer is located at the sending end & which is at receiving end. why?

3 Answers  

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What is the difference between shortcircuit current, rated current of cable & MCB with example? What will be the size of cable required for 5.5 KW motor (Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.

0 Answers  

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what are the merits and demerits of synchronous motor over an induction motor...??

5 Answers   NTPC,

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Why red,yellow,green colours lamps are used in the traffic control?

2 Answers   Samtel,

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What is Ton Capacity of Air Conditioner?

1 Answers   TATA,

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A 100KVA SINGLE PHASE TRANSFORMER 10000/200V,50HZ REQUIRES 300V AT HV SIDE TO CIRCULATE FULL LOAD CURRENT WITH LV SHORT CIRCUITED.THE INTAKE IS 1000W.THE % OF REGULATION ON FULL LOAD AT 0.8 PF LAGGING WILL BE HOW MUCH AND THE SECONDARY TERMINAL VOLTAGE ON 0.8 PF LEADING WILL BE

0 Answers   IAS, TATA,

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what are the application of over current relay?

2 Answers  

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what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?

0 Answers   Bhel,

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how i caculate the cable size for power factor correction unit for example 300kvar

1 Answers  

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What is Faraday's law

0 Answers  

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Why not using Air circuit breaker at High tension side?

1 Answers   Wipro,

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