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  • BOC interview questions (11)
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BOC Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What will happen if 230V DC motor connected to 230V AC Supply?

15 35012

how to find the starting current of the motor?

1 818

How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........

780

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Un-Answered Questions

hi Ihave applied 4 the post of SBI Po.How can we know we r shortlisted or not?

1272


Discuss how satellite network differs from traditional networks such as Ethernet, Tokenbus.

281


What is the diffrence (Technical & Construction ) between CBCT & Normal CT?

715


in natural gas indirect water bath heater,how to prevent the problem of backfire from firetube during ignition...becoz of this backfire performance of wbh is going low.

1266


i m putting 2.6yrs fake exp in oracle/unix production support i want to know some real time issues,like tell me the challenging issue u ever faced? my project is credit card application plz help me!

9527






what does EN230 material mean?

1110


When you look at a Cisco switch like Cisco 2950, why are the ports labeled with an 'X' behind the number? Like 1x, 2x.....23x, 24x, and what does it mean when there is no 'X'?

661


What are the various ways to execute a query in teradata?

1337


how to load the data in fact table.. using look up transformation how to view the second record. usally look up shows matching record for only one value. if i have same value its not displaying. ex: problem i faced. i have total, student no and name in table student i used aggregation transformation to display max(total). i have two same max values in total. when i look up the student name and no for this max(total), its showing only one name and no, its leaving the second one. how to rectify it. plz tel me step by step or clearly.

2473


HOw to add the recovery file at runtime to the test file .

761


How to Test IDispatch Descendants?

864


How to find out the current of two motors having same power consumption but different RPM?

713


on “sed” command EmpData(Sample Database) 1122|j.b. saxena |g.m. |account |12/12/52|6000 2233|n.k. gupta |d.g.m |sales |31/12/40|9000 4545|anil agarwal |director |account |06/07/47|7500 5656|lalit choudhury |executive|marketing|07/09/50|5000 1265|chanchal singhvi|g.m. |admin |12/09/63|6000 0110|shyam saksena |chairman |marketing|12/12/43|8000 5566|jai sharma |director |account |23/12/89|7000 7733|jayant |d.g.m |sales |29/02/70|6000 1. From the above database substitute the delimiter of first 3 lines with “ : “ 2. From the above database substitute the delimiter with “ : ” 3. Insert the string “ XYZ Employees” in the first line. 4. Store the lines pertaining to the directors, d.g.m and g.m into three separate files. 5. Using address store first 4 lines into a file Empupdate. 6. Find the pattern “account” in the database and replaces that with “accounts”. 7. Select those lines which do not have a pattern “g.m”. 8. Insert a blank line after every line in the database.

1545


Distinguish between Profit and Loss Account and trading a/c

309


What is safe mode in Hadoop?

103






BOC Electrical Engineering Interview Questions
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