how you check SCR firing or not? in live 3 phase bridge rectifier unit(3 in neg and 3 in pos),explain please
Answer / sephjo28
check with oscilloscope,if there any train of pulses missing in out put then
check carefully oscilloscope screen there is any waves missing
if missing one the bridge not work
next step check each rectifier gates...if there firing pulse
available or not if not or check gate pulse amplifier
........>>>>
| Is This Answer Correct ? | 0 Yes | 4 No |
what is PTP radio and PMP radio? give me elaborate description...plz
What is the functions of sim and Sam cards in ECI telecom?
oracle 1st round What are the different types of joins? Explain normalization with examples. What cursor type do you use to retrieve multiple recordsets? Diffrence between a "where" clause and a "having" clause What is the difference between "procedure" and "function"? How will you copy the structure of a table without copying the data? How to find out the database name from SQL*PLUS command prompt? Tadeoffs with having indexes Talk about "Exception Handling" in PL/SQL? What is the diference between "NULL in C" and "NULL in Oracle?" What is Pro*C? What is OCI? Give some examples of Analytical functions. What is the difference between "translate" and "replace"? What is DYNAMIC SQL method 4? How to remove duplicate records from a table? What is the use of ANALYZing the tables? How to run SQL script from a Unix Shell? What is a "transaction"? Why are they necessary? Explain Normalizationa dn Denormalization with examples. When do you get contraint violtaion? What are the types of constraints? How to convert RAW datatype into TEXT? Difference - Primary Key and Aggregate Key How functional dependency is related to database table design? What is a "trigger"? Why can a "group by" or "order by" clause be expensive to process? What are "HINTS"? What is "index covering" of a query? What is a VIEW? How to get script for a view? What are the Large object types suported by Oracle? What is SQL*Loader? Difference between "VARCHAR" and "VARCHAR2" datatypes. What is the difference among "dropping a table", "truncating a table" and "deleting all records" from a table. Difference between "ORACLE" and "MICROSOFT ACCESS" databases. How to create a database link ? PL/SQL interview questions... Normalize many to many relationships Difference - Equijoin and union What is TEMP table space in Oracle, what is rollback segment How do we find row chaining? Pattern matching operators Features in oracle 9i and 10g Why truncating table is faster than delete copy commit syntax Convert Zulu time zone to US Eastern time zone Difference - union and union all Difference - Group by, Order by clause Which Ranking functions are available? Difference - Decode, NVL, NVL2 Tradeoffs of using partitioned tables How can we call stored procedure in SQL query What are the restrictions on calling PL/SQL from SQL Why EXISTS is preferable to distinct Give 2 examples of avoiding unnecessary parsing.
Name the breakdown mechanism in a lightly doped p-n junction under reverse biased condition.
im an electronics and communication engineering..i have to attend an interview based on contract basis.i kindly request u to send all possible questions to my mail. MY EMAIL ID IS -ashishkashyap931@gmail.com
What will be the call flow in case user doesn't answer the call
Fr aptitude question which for preparing good book?
sir i want polytechnic lecturers model papers plzzzzzzzzz send me my mail id: manisri.bobbala@gmail.com
What is the differance between synchronous&asynchronous?
2 Answers Infosys, Reliance Communications,
5. What is the maximum transmit power of FlexiEdge BTS
what is the electron
Explain what are the basic logic elements?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)