PPE 1

Question 1

are the visual way to show how a process is intended to run, the
connections between the various unit operations and processes, and the
connections with raw material and utility supplies.

Answer 1

Flow sheets

Question 2

is normally not used for a particular unit but is used to
represent a chemical complex where each process unit is represented as a block.

Answer 2

Block Flow Diagram (BFD)

Question 3

is the key document in describing a
process. Such diagram is read in conjunction with the process
description and in addition contains stream details which are linked to the
heat and material balance of the process.

Answer 3

Process Flow Diagram (PFD)

Question 4

is the basic document used while the plant is under the
engineering phase, through construction, pre-commissioning and all
the way to start-up and operation.

Answer 4

PIPING & INSTRUMENTATION DIAGRAM

Question 4

P&IDs generally come in two variants:

Answer 4

basic engineering level
detailed engineering level

Question 5

Lines are shown by an identification number such as AA”-BB-
CCC DDD- EE.

Answer 5

Line Numbering

Question 6

conveys the line size

Answer 6

AA

Question 7

indicate the service

Answer 7

BB

Question 8

pipe sequence number

Answer 8

CCC

Question 9

pipe class

Answer 9

DDD

Question 10

insulation type

Answer 10

EE

Question 11

The numbering appears inside balloons
and consists of two elements. The
element at the top portion of the balloon
consists of between two and four letters

Answer 11

Instrument Numbering

Question 12

A control loop is the fundamental
building block in industrial control
systems.

Answer 12

Instrument Loops

Question 13

is a diagrammatic representation of the distribution of utilities to
various consumers in a process plant. It is typically prepared to cover the
following utility hook-ups:

Answer 13

Utility P&ID,

Question 14

is a PFD in which the
various sections of the plant are marked showing the specified
materials of construction. In addition, corrosion allowances and
sour service requirements are also mentioned. This includes lines
as well as equipment.

Answer 14

Material Selection Diagram (MSD)

Question 15

as a name implies that it is a list of all lines in a process plant.
Each line is listed with its size, pipe class, sequence number,
operating and design conditions, insulation requirements, testing
medium, chemical cleaning requirements, etc.

Answer 15

line list