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Engineering AllOther (1379) In alternator generally we give DC voltage to field of alternator but field (excitor)produce Ac & converts into DC by rotating rectifier(RR ) then fed to rotor .my question is why we cannot give dc voltage directly to rotor instead of Excitor & RR ?
1 3803What is the difference between IS:1554 (Part 1)/1988 & IS:694/1990 ? What do these two standards specify about?
2 21207Dear sir, I have applied section engineer post at rrb Chennai.Please send me the previous technical question papers and answers
RRB,
2084compare the cost of construction of a building by cement and one in which cement is substituted by fly ash.
2 5415
please let me know the book for preparing to section engi and loco pilot bangalore
What is the main task of batter in an automobile?
i have 500 amp inductive load of motors ,,,pleas tell me how can i calculate for capacitor bank for improving my power factor to 99 .....calcullations for capacitor bank,,,,
In TNC switch, is there any 1NO+1NC block ? and if we move over closing position, is ther any affect on trip position or vice versa?
dear friends pls explain me what is meant by positive seal in solenoid operated valve
Define negative logic.
State uses of different types of stsrters with different capacities of motors as below: a. up to 5HP b. above 5hp to 10hp c. above 10hp to 20hp d. above 20hp
i want MEIL placementt papers
I want to apply for the universities in US,but i got the GRE score of (650+300=950)TOEFL 69/120.Is this score sufficient for applying universities please i am married i need to go to US because my husband didn't get H1 yet.please send me suggestion
on which date sail exam is held & what the criteria for this exam
whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11
My vendor filled liquid oxygen in our 11000 liter capacity tank. He filled from 1400 MMWC up to 3200 MMWC. I followed the provided conversion table and found that we had been supplied 1800 MMWC liquid which is going to yield 2815 cubic meter. On the other hand, the vendor claims that he supplied as follows:- 5236 cub mtr(3200 MMWC)-2124 cub mtr(1400MMWC) = 3112 cub mtr. I fear that he wants to charge 297 cubic meters extra. He claims that my method was wrong and his was right. He says that this disparity is because of the conical shape of the base of the flask. I will be thankful if somebody can explain me the truth.
how can i use REF and diffrencial relay both in 1 CT core for transformer protection?
What is HPLC ? and define it.
i want to know about torque of slip ring induction motor