Draw a block diagramof Three UPS systems connected in Parallel mode?

2235

Question asked in prototech first round

1515

hi i am electronics & telecomm engg & appling 4 the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & old question papers.I will be very much thankful to you. pis inform to venkatesh.muddana86@gmail.com

2148

Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason

2011

can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.

2217

what are the main points to be included in our introduction when asked in hr...??

2036

hai iam arunkumar. i have applied for an section enginner in rrb. i want lat 5 years solved question papers. if u have please sedn it to arun30682@gmail.com

1891

A 15 kw squirrel cage motor having a maximum efficiency of 90% on a continuous full load has temperature rise of 42 degrees celcius after 30 min and 52 degrees celcius after 1 hr under the above operation conditions. a) calculate its final steady state temperature rise on continuous load and the heating time constatnt. b) if the motor is operated on a short load for 9 min estimate its temperature rise. c) calculate the maximum overload that can be applied on a short, 9 min rating so that the temperature rise is the same as the final steady state temperature rise on continuous load.

1180

What was your role in the silicon evaluation/product ramp? What tools did you use?

2020

HI..!! I THINK THIS SITE IS AN EXCELLENT SOURCE FOR YOUNG ENGINEERS, I READ THE POSTS REGARDING DIFFERENT PLACEMENT PAPERS IT WAS INDEED HELPUFL...BUT FRM WHR CAN I GET THE WHOLE APTITUTE PAPER FOR REFERENCE??

2138

Please send the placement papers for randstad

1174

How to make a robo car .Please give me whole theory ,photos of circuits etc. on my e-mail id.

3621

can any one give me sample question paper of BHEL at mdansari86@gmail.com as i m appearing for the same exam.

2222

Which is the latest version of solidsworks?

1336

How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

2100