Question { 18271 }

What is the difference between sdv and bdv ?

Answer

sdv means shutdown valve
bdv means blow down valve
Both are used in ESD (emergency shutdown) condition.

SDV: ( closed valve)
it was used in plant inlet & outlet places.whenever plant
was partially OR total shutdown condition, at that time
plant was not disturbed from/to another process,closed the
disturbed process through SDV".

BDV : (opened valve)
It was used in sudden flare OR pressurized
condition,relief that pressure( to avoid dangerous
condition) used this valve.

Both are operated with solenoid valve, with electrical supply.

any thing want more refer google

Question { 5847 }

how to calculate static pressure in a pipe line,when we know the DP(differential pressure) in the line, area of the pipe?
please any one tell me the relation between them..?

Answer

thanks miss supriya
but i want relation (if any) b/w them

Question { 2667 }

Can we get the outpot in c without using getch fiction? Answer is yes but output will stay on display 4 only few second.... But can we get output without using getch and also output will hold on the display...?

Answer

GETCH is used for "answer is waited upto you need"

yes it was possible , when you are using DEV C++ software,it wont ask getch function.

but you are using normal TURBO C++
there was an option need not use use GETCH.

that is press ALT+F5 in keyboard then answer paused

thatswhy we avoid this complexity, we use GETCH in c programmed ending