Answer / akram malik

One ton=3.5KW, and also one ton=12000BTU/h actually air conditioner's name plate shows rating in terms of BTU/h. For example if ac is of 24000BTU/h then it will b equal to two ton and 2 ton=7kw

Answer / arghadeep som

1 tr AC simply calculated as 3500 watt.

which frequency is to be selected for measuring earth resistivity

1 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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Which of the following are ill suited for energy efficient motors application?

0 Answers  

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what is the mean of short circuuit current ( for ex. 50KA)?

2 Answers   Weltech Engineering,

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what are the major difference between 3phase 3wire and 3phase 4wire trivector meter?

2 Answers   L&T, NTPC,

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Is it posssible to obtain the higher speed(3000rpm) for adiferentiallly cascaded induction motors(with 8 and 6 poles)

3 Answers  

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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.

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Why phase sequence must be same in any ht motor or generator circuit?if phase sequence doesn't same whatever will be affect on circuit?

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What is RCBO? hw it works

2 Answers  

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11. As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why? 12. How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test? 13. Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV, 20kV, 30kV? 14. Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it? 15. Explain why the Voltage drop will happen in 3 Phase line? 16. What is the equipment used to control the generator output? 17. What are the factors to be considered during the Synchronization? 18. What should be value of Circuit breaker operating time and tripping time? 19. Why the CT Secondary is rated as 5A generally? 20. At which time Synchronous generator act as a Synchronous Condenser?

1 Answers  

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WHEN WE TOUCH THE BOTH TERMINALS OF BATTERY WHY NOT THE D.C BATTERY GIVE US SHOCK SUCH AS A.C SUPPLY?

3 Answers  

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what is kvarh? Please difine it With calculation

3 Answers   GM General Motors,

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when u are given a timer,push buttons and contactor, how do i practically make a star delta control circuit and a direct online control circuit?

1 Answers  

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