Answer / mohd hakim

its an emergency rescue device whenever elevator stuck between two floors its sense and open the door of the elevator to the nearest floor after 3 minuteswith the help of dc batteries.

what is elevation lamp?where its used?

2 Answers   Essar,

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what are safety measures in /control in diesal engine/ explain them?

0 Answers  

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Dg pf .71 i am improve pf 0.80 what capacitor connected in dg how?

0 Answers   AVT Natural Products, EMC,

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What is power factor?How to improve power factor

2 Answers   Tech Mahindra,

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can we use heat gun instead of gas torch in 11kv termination kit. I mean can both sources provide enough amount of heat to ensure the uniform shrinkage of sleeve.

1 Answers  

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What is the minimum distance between taransformer (say 2000 kva)and its earth pit?

2 Answers   Bhel,

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1 tr is equal to how many Kw .is there any specific formula for this to get the result .

13 Answers   Cipla, LG, NSN,

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what time should we set to come on star contacter in stardelta starter?and for what reason we hav to set such time delay range?

2 Answers  

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why the electrical insulators suspention breakdowen

2 Answers  

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Why the size of transformer decreases if we increases the frequency?

5 Answers   Graphics Engineering,

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Why is it that North America uses 60 hz frequency while Europe uses 50 hz?

4 Answers  

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CAN A CD/CLOCK RADIO WITH 110V 60HZ WORK ON A 110V 50HZ FEED.

3 Answers  

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