What is the name of powder which is used in inner side of a cable? and purpose?
Answer Posted / simon
Ferrite as a coolant.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....
What is the lower limit of break-down voltage of converter transformer.
how to decide choke rating for drive?
What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?
What is the magnetic field (coil DC ) of Turbo Expander?
Can double compression glands be used with regular cables?
following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?
what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?
Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.
Is there any guideline say about display of earthing value near to earth pit
difference between crane drive and line drive.
Why two phase welding machine is used instead of three phase welding machine.
how to calculate percentage impedence at 75 deg C at normal tap
how to check avr of dg set of 125kva
mccb service sittings be done?