Chapter 3

Question 1

contains schematic for all piping, associated fixtures such as valves

Answer 1

piping & instrumentation diagrams

Question 2

ANSI

Answer 2

American National Standard Institute

Question 3

API

Answer 3

American Petroleum Institute

Question 4

they are based on the approximate diameter and are reported as nominal pipe sizes

Answer 4

pipe sizes

Question 5

based on the actual outside diameter with a designated wall thickness

Answer 5

tubing specification

Question 6

employed for piping connections

Answer 6

flanges

Question 7

employed for smaller sizes

Answer 7

screwed fittings

Question 8

used for connecting two pipe sections

Answer 8

coupling

Question 9

used as final connector in a closed line

Answer 9

union

Question 10

used for branch connections

Answer 10

Tee Cross Y

Question 11

used for changing size in a straight pipeline

Answer 11

brushing

Question 12

used for closing the ends of pipelines

Answer 12

plugs and caps

Question 13

are short pieces with threading at both ends

Answer 13

nipples

Question 14

used in opening or closing a compressed air line

Answer 14

plug cock

Question 15

used in operating or closing liquid lines of large sizes

Answer 15

gate valves

Question 16

types of gate valves

Answer 16

stationary, rising steam type

Question 17

has globular body with horizontal internal partition

Answer 17

globe valve

Question 18

a globe valve with connection openings at 90 deg

Answer 18

angle valve

Question 19

similar to globe valve but uses needles or cones

Answer 19

needle valve

Question 20

used as flowrate control valve

Answer 20

diaphragm valve or pinch type valves

Question 21

ensures one directional flow

Answer 21

check valve

Question 22

check valve that opens only at a specified pressure

Answer 22

safety valve

Question 23

storage tank design can be

Answer 23

1. cylindrical
2. spherical
3. rectangular