Answer / bharani

(1)MH lamp consumes just 1/3 rd power as compared to a
halogen lamp for the same intesity.
(2)You can get either day light or yellow light in MH lamp
where as Halogen gives you only yellow light.
(3) MH fittings are expensive as compred to Halogen fittings
due to more number of components like, starter, capacitor
and ignitor.

How the current flows in dc circuit?

3 Answers  

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1. alternator has full load regulation of 4% when pf of the load is 0.8 lag, 1500 rpm. full load regulation of 1400 rpm for 0.8lag will be ________ ?? 2. torque angle of a sync m/c operating from a constt voltage bus is usually defined as space angle between _______ . 3. method most effective in finding out no load losses in large DC shunt motoris ______ . 4. current carrying capacity of fuse material depends on ______ . 5. coil has res. 10 ohm, inductance 1H. what wil be current after 0.1sec after switching on to a 500V DC SUPPL ? ? 6. effect of phase lag compensation on servo systems ___________ . 7. rotor of a dc machine is usually supported upon ______ . 8. DC motor is preferred to AC motor in which application ?? 9. 3 nos of 10:1 Xmer are connected in Star-Delta to supply a load at 230V.the supply voltage must be ______ . 10. voltage source produces max current in which circuit. 11. cal. power, if current and voltage are out of phase by 90 degree. 12. suitable length of Xmission line of power at 66 KV. 13. Which of the theorm helps in simple computation when the load across a ckt is varying ?? 14. what is the adopted line length for power Xmission of power by cables ??

5 Answers   TATA,

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Why do we pefer VCB over OCB?What are the advantages of VCB over OCB?

0 Answers   CEB,

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IF i have switchgear with busbar current rating of 1000Amp 35kA then is it necessary to have outgoing breaker kA rating to be equal to busbar kA rating?

6 Answers   L&T,

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Why the resistance grounding (NGR) is better than Solid grounding?

5 Answers  

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Why armature rheostat is kept in maximum position?

0 Answers  

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If the output of a 100kva, 415v generator is stepped up to 11kv with a 500kva transformer,can the transformer be Loaded above the source generator loading?

2 Answers  

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Why the meters sonnected to metering core of CT are not damagedon event of a fault??? Explain the phenomena??

1 Answers   Schneider,

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What is transmittance?

0 Answers  

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What is mean CT Saturation? How to calculate?

3 Answers   NetGroup, Tyco,

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what is the powerfactor

5 Answers   GVK,

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hello friends..... any one have papers or any study materials?sail ,hpcl...?

0 Answers  

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