Industrial Plumbing Systems: Types, Components, and Applications

Question 1

Which type of piping is specifically designed to transport highly corrosive or reactive chemicals?

Accepted Answer

Chemical piping

Answer

Process piping

Answer

Steam piping

Answer

Water piping

Question 2

What is the primary purpose of a globe valve in a piping system?

Accepted Answer

To completely stop or start the flow of fluid

Answer

To regulate the flow rate of fluid

Answer

To relieve excess pressure in the system

Answer

To change the direction of fluid flow

Question 3

When selecting materials for process piping in environments with corrosive fluids, which material is commonly preferred?

Accepted Answer

Stainless steel

Answer

PVC (Polyvinyl Chloride)

Answer

Copper

Answer

Cast iron

Question 4

When joining stainless steel piping, which welding process is considered most suitable?

Accepted Answer

Tungsten Inert Gas (TIG) welding

Answer

Metal Inert Gas (MIG) welding

Answer

Shielded Metal Arc Welding (Stick welding)

Answer

Brazing

Question 5

What is the main purpose of a reducing valve in a piping system?

Accepted Answer

To regulate and reduce the flow rate of fluid

Answer

To increase the pressure of fluid in the system

Answer

To change the direction of fluid flow

Answer

To prevent backflow of fluid

Question 6

Which of the following materials is commonly used for process piping in chemical plants due to its resistance to corrosion?

Accepted Answer

Stainless steel

Answer

Copper

Answer

Galvanized iron

Answer

Polypropylene

Question 7

What type of joint is primarily employed in chemical process piping systems, offering a secure connection with high pressure and temperature resistance?

Accepted Answer

Flanged joint

Answer

Threaded joint

Answer

Soldered joint

Answer

Brazed joint

Question 8

What is the primary purpose of conducting a hydrotest in plumbing systems?

Accepted Answer

To detect and identify potential leaks

Answer

To remove debris and contaminants

Answer

To pressurize the system for operational testing

Answer

To disinfect the system to ensure hygiene

Question 9

In pipefitting, which metal is recommended for soldering due to its suitable melting point and strong bond formation?

Accepted Answer

Copper

Answer

Aluminum

Answer

Iron

Answer

Zinc

Question 10

In a steam piping system, what is the primary function of a trap?

Accepted Answer

To facilitate the removal of accumulated condensate

Answer

To prevent the backflow of steam or liquids

Answer

To regulate the pressure within the system

Answer

To isolate sections of piping for maintenance or repairs

Question 11

Which code and standard is specifically applicable to the installation of industrial plumbing systems?

Accepted Answer

American Society of Mechanical Engineers (ASME) B31 series

Answer

National Plumbing Code

Answer

International Plumbing Code

Answer

National Fire Protection Association (NFPA) 101

Question 12

What material is commonly used for process piping that handles corrosive fluids?

Accepted Answer

Stainless Steel

Answer

Copper

Answer

PVC

Answer

Cast Iron

Question 13

Which type of joint is commonly used in chemical piping systems to prevent leaks?

Accepted Answer

Welded Joint

Answer

Threaded Joint

Answer

Flanged Joint

Answer

Soldered Joint

Question 14

What is the purpose of a backflow preventer in a plumbing system?

Accepted Answer

To prevent contaminated water from flowing back into the potable water supply

Answer

To protect against pressure surges

Answer

To regulate the flow of water

Answer

To filter impurities from water

Question 15

What is the primary function of a check valve in an industrial plumbing system?

Accepted Answer

To prevent backflow of fluids

Answer

To regulate flow rate

Answer

To relieve pressure

Answer

To isolate sections of the system

Question 16

Which type of pipe material is most suitable for process piping in chemical plants?

Accepted Answer

Stainless steel

Answer

Carbon steel

Answer

Copper

Answer

PVC

Question 17

What is the key difference between a flanged joint and a welded joint in a steam piping system?

Accepted Answer

Flanged joints allow for easier disassembly for maintenance.

Answer

Flanged joints are more expensive than welded joints.

Answer

Welded joints are more flexible than flanged joints.

Answer

Welded joints provide a stronger and more leak-proof connection.

Question 18

What is the purpose of a pressure relief valve in an industrial plumbing system?

Accepted Answer

To prevent the system from over-pressurizing

Answer

To maintain a constant system pressure

Answer

To isolate the system from the water supply

Answer

To regulate the flow of fluids

Question 19

What is the typical manufacturing method for large-diameter piping in industrial plumbing systems?

Accepted Answer

Rolled and welded

Answer

Cast

Answer

Extruded

Answer

Drawn

Question 20

Which type of solder is used for soldering copper pipes?

Accepted Answer

Soft solder

Answer

Silver solder

Answer

Brazing solder

Answer

Flux

Question 21

Which type of pipe material is commonly used for chemical piping systems that handle corrosive fluids, such as acids and alkalis?

Accepted Answer

Polypropylene (PP)

Answer

Cast iron

Answer

Galvanized steel

Answer

Copper

Question 22

In steam piping systems, which type of joint is commonly used to accommodate thermal expansion and prevent stress on the system?

Accepted Answer

Expansion joint

Answer

Soldered joint

Answer

Compression joint

Answer

Grooved joint

Question 23

What is the primary function of a steam trap in a steam piping system?

Accepted Answer

To remove condensate and air from the system, ensuring efficient steam flow and preventing water hammer.

Answer

To enhance heat transfer by increasing the surface area for heat exchange.

Answer

To reduce pressure in the system by releasing excess steam.

Answer

To regulate the flow of steam by adjusting the opening and closing of a valve.

Question 24

When designing a process piping system for a food processing plant, which of the following is a critical consideration that must be taken into account?

Accepted Answer

Sanitary requirements, including the use of approved materials, proper drainage, and easy access for cleaning and maintenance.

Answer

High-pressure capabilities, as the system may need to handle fluids at elevated pressures.

Answer

Corrosion resistance, as the piping system will be exposed to various chemicals and cleaning agents.

Answer

Aesthetic appeal, as the piping system should blend seamlessly with the surrounding environment.

Question 25

What is the fundamental difference between a threaded fitting and a flanged fitting in a plumbing system?

Accepted Answer

Threaded fittings connect pipes using threads cut into their ends, while flanged fittings use bolts and gaskets to create a sealed joint between pipe flanges.

Answer

Threaded fittings are typically used for smaller pipes, while flanged fittings are used for larger pipes.

Answer

Threaded fittings are more durable than flanged fittings, as they can withstand higher pressure.

Question 26

What is the primary purpose of a backflow preventer in a water distribution system?

Accepted Answer

To prevent contaminated water from flowing back into the clean water supply, protecting against potential health hazards.

Answer

To remove impurities from the water by filtering out particles and contaminants.

Answer

To increase water pressure by restricting the flow of water through a smaller opening.

Question 27

In an industrial setting, what is the primary responsibility of a plumbing inspector?

Accepted Answer

To ensure compliance with plumbing codes and regulations, verify the safety and functionality of plumbing systems, and conduct inspections to identify potential hazards and deficiencies.

Answer

To design and install plumbing systems, ensuring they meet the specific requirements of the industrial facility.