Energy and Utilities Natural Gas Systems 3

Question 1

What is 'hydraulic fracturing' (fracking) used to extract in the US energy industry?

Accepted Answer

Coalbed methane and shale gas/oil

Answer

Geothermal energy

Answer

Underground aquifer water

Answer

Lithium for batteries

Question 2

What is the function of a gas chromatograph at a pipeline custody transfer point?

Accepted Answer

Analyze gas composition to calculate heating value for billing

Answer

Measure gas flow velocity

Answer

Detect pipeline leaks

Answer

Control compressor speed

Question 3

Which class designation indicates a natural gas pipeline segment in a densely populated area under US regulations?

Accepted Answer

Class 4

Answer

Class 1

Answer

Class 2

Answer

Class 3

Question 4

What is a natural gas 'pig' used for in pipeline operations?

Accepted Answer

Cleaning, inspecting, or separating products inside the pipeline

Answer

Sampling gas quality

Answer

Controlling flow rates

Answer

Marking pipeline location above ground

Question 5

What does 'wellhead price' refer to in natural gas markets?

Accepted Answer

The price of gas at the point of production before transportation

Answer

The retail price customers pay

Answer

The cost of drilling a well

Answer

Pipeline tariff rates

Question 6

What is a 'city gate' in natural gas distribution?

Accepted Answer

The point where a local distribution company receives gas from a transmission pipeline

Answer

A valve that shuts off gas to a city during emergencies

Answer

The meter at an industrial customer's facility

Answer

A safety shutoff at a gas plant