Question $1$

Define what is meant by a flowsheet as used in BPC plants.

Explain what piping and instrumentation diagrams are used for. Draw

symbols for the following pieces of equipment:

$($i$)$ butterfly valve

$($ii$)$ diaphragm valve

$($iii$)$ centrifugal pump

$($iv$)$ reciprocating pump

$($v$)$ Conductivity transmitter

$($vi$)$ Ball valve