Types of Gas Piping Systems: Comprehensive Learning Quizzes

Question 1

Which of the following is NOT a type of gas piping system commonly used in the United States?

Accepted Answer

Oxygen

Answer

Natural gas

Answer

Propane

Answer

LP gas

Question 2

What is the minimum diameter allowed for a residential propane piping system, according to U.S. regulations?

Accepted Answer

1/2 inch

Answer

3/4 inch

Answer

1 inch

Answer

1 1/4 inch

Question 3

What is the primary purpose of a pressure regulator in a gas piping system?

Accepted Answer

To maintain a constant gas pressure

Answer

To control the flow of gas

Answer

To prevent gas leaks

Answer

To measure the gas pressure

Question 4

Which material is commonly used for the construction of gas appliance connectors?

Accepted Answer

Stainless steel

Answer

PVC

Answer

Copper

Answer

Rubber

Question 5

In residential and commercial buildings, which gas piping system is most frequently used?

Accepted Answer

Natural gas system

Answer

Propane system

Answer

LP gas system

Answer

Acetylene system

Question 6

What is the primary function of a gas meter?

Accepted Answer

To measure the volume of gas consumed

Answer

To regulate the flow of gas

Answer

To remove impurities from the gas

Answer

To provide safety protection against gas leaks

Question 7

Which component in a gas piping system regulates the flow of gas?

Accepted Answer

Valve

Answer

Pipe

Answer

Fitting

Answer

Meter

Question 8

To connect pipes of varying diameters in a gas piping system, which type of fitting is employed?

Accepted Answer

Reducer

Answer

Coupling

Answer

Tee

Answer

Elbow

Question 9

What is the primary purpose of a gas pressure regulator?

Accepted Answer

Reduce gas pressure within a piping system

Answer

Increase gas pressure within a piping system

Answer

Measure gas pressure within a piping system

Answer

Control the direction of gas flow within a piping system

Question 10

For natural gas distribution, which type of piping material is commonly utilized?

Accepted Answer

Steel

Answer

Copper

Answer

PVC

Answer

CPVC

Question 11

What is the primary function of a gas meter in a piping system?

Accepted Answer

Measuring the volume of gas consumed

Answer

Regulating gas pressure within the system

Answer

Preventing gas leaks from occurring

Answer

Controlling the direction of gas flow

Question 12

Which of the following is NOT a major type of gas piping system used for residential or commercial applications?

Accepted Answer

Butane

Answer

Natural gas

Answer

Propane

Answer

LP gas

Question 13

What is the primary component of natural gas, which is delivered to homes and businesses for heating and cooking?

Accepted Answer

Methane

Answer

Ethane

Answer

Butane

Answer

Propane

Question 14

Which type of pipe joint is used to connect plastic gas piping, providing a leak-proof seal without the need for soldering or welding?

Accepted Answer

Compression fitting

Answer

Flare fitting

Answer

Soldered fitting

Answer

Threaded fitting

Question 15

What is the primary purpose of a gas pressure regulator installed in a gas piping system?

Accepted Answer

To control and maintain a constant gas pressure within the system

Answer

To measure the pressure of gas flowing through the system

Answer

To prevent backflow of gas in the system

Answer

To vent excess gas from the system

Question 16

Which type of gas detector specifically designed to detect the presence of carbon monoxide, a colorless, odorless, and potentially fatal gas, is commonly used in homes and businesses?

Accepted Answer

Electrochemical detector

Answer

Flame ionization detector

Answer

Photoionization detector

Answer

Thermal conductivity detector

Question 17

Which component in a natural gas piping system regulates gas pressure?

Accepted Answer

Regulator

Answer

Burner

Answer

Evaporator

Answer

Capacitor

Question 18

What is the primary function of a pressure regulator in a gas piping system?

Accepted Answer

To reduce gas pressure

Answer

To increase gas pressure

Answer

To measure gas flow

Answer

To filter impurities from gas

Question 19

When working with propane gas, which safety precaution is essential?

Accepted Answer

Keeping propane tanks in well-ventilated areas

Answer

Using a flame torch to detect leaks

Answer

Storing propane tanks in basements

Answer

Lighting propane leaks on fire to burn them off

Question 20

Which tool is specifically designed for cutting gas pipes?

Accepted Answer

Pipe cutter

Answer

Chain saw

Answer

Hacksaw

Answer

Angle grinder

Question 21

Which method is commonly used to join galvanized steel gas pipes?

Accepted Answer

Threading and fittings

Answer

Soldering

Answer

Brazing

Answer

Welding

Question 22

What is the purpose of a drip leg in a gas piping system?

Accepted Answer

To collect condensation

Answer

To filter impurities

Answer

To increase gas pressure

Answer

To measure gas flow