Why capacitor pass A.C and Block D.C ?

Why we calculate supplier PPM (Part Per Million).WE can calculate Supplier performance in % also, why PPM ?

Why there is a current in neutral line

If the on Of the DO module is off in the System cabinet, then what is the Procedure to check weather the Module is working or not.

how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?

why farmers are use earthing instead of neutral for their light conec. at field.is it safe

What types of Instrumentation Related Questions can an Interviewer ask in a Telephonic Interview ?

What is the difference between manual and auto correlation? Why we need Manual correlation? what is the main Drawback in auto correlation?

What are the different modes of a contollogix family processor? How they work?

This question is regarding MC/DC coverage (A and B) or (B and C) or (A and C) ? how many conditions are there in above expression? what are the test cases for statement, decision, condition, MC/DC and multiple condition overage explain in deatil why ?

1) How do you Destroy a Dialog Box ?

1. what is a single procedure? 2. suppose a view constructed on a query... after that in the master table a column was dropped, then what will be the status of that view? will it be invalid or something else? 3. what is mutating table error? how can you solve that problem? 4. suppose "select * from emp where empno=7788;" is running slow because of what ever the cause it is.. how can you fix it and make the execution faster? 5. will the snapshot of data will be stored in the RAM , where will ir be stored exactly. 6. how to delete 100 tables or 100000 tables' data from the schema without writing delete statement for no.of times. write an sql statement to do that job. 7. suppose a package contains so many cursors, procedures and all.. and we are using such types of procedures so many in a program. so the execution is to be stored all those packages and all to the RAM. utimately it is using many resources for each time execution. how can you reduce the time and using of resources for each execution because the query need to be run many times. how can you tune that? 8. suppose a procudere is there with specs as (a,b,c,d), all of these are IN mode only then while calling them should we pass all the 4 arguments? how to pass (b,c) only.. how ever the specs are wrote in the same order displayed in the above? 9. a function is returning a table type, how to access that function in a select statement? 10. i have a table in database A and another table in database B, how can you access the data of these two tables? write a query for that with dblinks. 11. i have two tables might have 15/20 columns in that.. i wanna send these columns(table) to the front end application for example you are using asp.net by writing a procedure. write that to perform the above job. 12. shall we create a table in the package? 13. shall we create a table in the procedure? 14. suppose i have 10 records, in that i want to select 7th record. write a query for that. cant you use rownum for this? 15. suppose my procedure has got around 20 select statements, in that some three select statements are running very slow. what will you write to detect which queries are running slowly? 16. what fields you use frequently in plan_table? 17. what is pipeline function? explain me with an example. 18. does a unique column can contain more than one null? 19. how many hints are there provided by oracle?

Hot calibrate a level transmitter (wet & dry legs)?

What is SCADA ? WHAT is it role in DCS ?

what is tha address of program counter ?