Basic Specialty Piping Systems

Question 1

What is the purpose of requiring due diligence on the part of all persons involved with the manufactured transport and storage of materials classified as hazardous?

Answer 1

To ensure a safe working environment

Question 2

Both organic and inorganic compounds can be so strongly acidic, basic, explosive, flammable, oxidizing, poisonous, reactive, or toxic. What must they be designated as?

Answer 2

Controlled products

Question 3

What property of class B6– reactive flammable materials makes them particularly difficult to process and transport?

Answer 3

Highly reactive, exposure to air or water will cause an immediate and rapid reaction

Question 4

What are the characteristics of the materials in our process plants that create the need for the use of plastic and non-Farris specialty piping systems

Answer 4

They react not only with the surrounding environment, but within the materials used used for processing or transporting them.

Question 5

What differentiates an organic and inorganic compound?

Answer 5

Carbon

Question 6

Which WHIMIS classes tend to be much more hazardous, either to the environment or the general public if there is an escape to atmosphere?

Answer 6

Class C or higher

Question 7

All affixed components of a piping identification system, must conform to the standards, established in the applicable:
A. Power piping code.
B. NFPA standard
C. Fixed piping system standard.
D. ASHRAE REGULATIONS

Answer 7

C. fixed piping system standard

Question 8

Materials classified as hazardous require a piping label with ________ letters on a ________ background.

Answer 8

Black letters on a yellow background

Question 9

Which label is the special type of workplace label designed for the oil industry. It is printed in several sizes and imprinted with four fields.

Answer 9

A PACE label.

Question 10

NFPA labels are designed for use in compliance with fire safety standards. They are used to provide information to who?

Answer 10

The fire fighters.

Question 11

What does PACE stand for?

Answer 11

Petroleum association for the conservation of the Canadian environment

Question 12

true or false? The material contained in a piping system must be identified by a legend made of clearly legible letters and/or numbers and/or symbols, giving the name or identifier of the material contained within.

Answer 12

True

Question 13

What are some common hazard warnings that we would find on piping systems?

Answer 13

Hot, pressurized, steam, electrical, liquids, gas, not in use, previously contained ____________.

Question 14

Pipe identification labels should be repeated every 5 m. true or false?

Answer 14

False.
Every 3 m

Question 15

Vessels may require additional labelling when chemical reactions change the material inside the vessel. True or false?

Answer 15

True

Question 16

What is typically buried underground above underground piping?

Answer 16

A polyethylene ribbon displaying the same information as above ground piping systems in intervals no more than 30 inches apart

Question 17

Materials classified as hazardous require a piping label with black letters on a yellow background, low hazard material labels require what colours of letters and background?

Answer 17

White letters on a green background

Question 18

What type of piping is labelled with white letters on a red background?

Answer 18

Fire protection piping

Question 19

What are some factors that must be considered in material selection for piping specialty systems?

Answer 19

The strength or concentration of the fluid to be handled.
The nature of operation of the system, continuous or intermittent.
Temperature and pressure of the fluid medium.
The ambient environment in which the system is to be installed.
The anticipated service life of the installation.
The skill of the local labour force that installs the piping system.
The applicability of any local building or construction codes.

Question 20

What should be done a prior to applying thread ceiling on any threaded piping used for hazardous material systems?

Answer 20

Inspected to be clean and sharp with no defects or signs of galling.

Question 21

What will dictate the configuration for the end preparation of pipe and fittings prior to welding or bonding?

Answer 21

The joining technique and procedures

Question 22

What is the proper procedure for cleaning pipe to be welded for use in a caustic service?

Answer 22

Cleaning at least 6 inches back from weld both internally and externally with 10% acetic acid and hot air dried.

Question 23

What methods may be employed to ensure a clean descaled metal surface for welding or coding alloy piping?

Answer 23

Pickling, abrasive blasting, mild cleaning and passivating

Question 24

What is passivating?

Answer 24

Removed superficial iron or rust contamination and restores the protective oxide film by using a nitric acid solution, followed by neutralizing wash, and then rinsing and drying.

Question 25

What is the common cause of concentrated localized corrosion in a piping system?

Answer 25

Similar metal joints

Question 26

What will likely result if strain is imposed on a corroding metal?

Answer 26

It will likely rupture the protective film

Question 27

What are the factors that accelerate or retard corrosion?

Answer 27

The duration of the attack temperature and acquired passivating from the attack of certain chemicals.

Question 28

True or false? Anything that changes the condition from one place to another on a metal will act as a force to start the corrosion process.

Answer 28

True

Question 29

What is the electrochemical corrosion prevention referred to as?

Answer 29

Cathodic protection.

Question 30

What material is commonly used as a sacrificial anode?

Answer 30

Magnesium

Question 31

Does an impressed current cathodic protection method commonly use an AC or DC rectifier?

Answer 31

DC rectifier

Question 32

Impressed current anodes are made of materials that are low on the activity series or are nobler. Do these materials corrode faster or slower then a sacrificial type anode?

Answer 32

Slower

Question 33

The classification of the product carried in the piping system, often dictates the procedures that must be used to do the maintenance and repair on the system or equipment. True or false?

Answer 33

True

Question 34

What hazard is associated with opening a metal gas system for breathing air?

Answer 34

Contamination of the piping system caused by allowing entry of atmospheric air.

Question 35

What is the focus of the procedures required to do maintenance and repairs on systems that contain or have contained any kind of hazardous material?

Answer 35

To protect the worker and the environment

Question 36

Why should the appropriate MSDS sheets be reviewed for the proper solvent and solutions as prescribed by the company for cutting cleaning or decreasing pipe?

Answer 36

Using the wrong solvents or mixtures could be hazardous or even lethal

Question 37

What should the employee receiving the safe work permit do before signing for the receipt of a safe work permit?

Answer 37

Verify that the pertinent tasks required of the operator have been checked off

Question 38

Why does the pipe have to be grounded and bonded to any funnels and/or spill containers before actually opening a line?

Answer 38

To prevent static spark, that may ignite a flammable material

Question 39

Which nitrogen compound is most commonly associated with the production of both fertilizers and explosives?

Answer 39

Ammonium nitrate

Question 40

What are the two primary requirements for successful welding of titanium?

Answer 40

Cleanliness and the exclusion of all reactive gases, including air

Question 41

What materials should be avoided for use with an ammonia service unless the dryness of the ammonia can be assured?
A. A105 Carbon steel.
B. Any 3000 series stainless steel.
C. copper, copper-silver, or zinc alloys

Answer 41

C. Copper, copper – silver, or zinc alloys.

Question 42

What percent acetic acid solution is used for the final cleaning procedure for piping to be welded in a caustic service?
A. 10%
B. 25%
C. 5%.

Answer 42

A. 10% followed by a hot air dry

Question 43

Why would a cyclic strain imposed on a corroding metal accelerate the rate of corrosion?

Answer 43

Repeated strain may rupture, a protective film, and exposed basement of further corrosion

Question 44

Pipes or equipment that contain or may have contained flammable materials have to be grounded and bonded to any funnels and/or spill containers before actually opening the line. Why is this?

Answer 44

To prevent static sparks that may ignite a flammable material or vapour