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PASGT Quiz 2

Authored by Paul Jayson Awayan

Professional Development

Professional Development

Used 2+ times

PASGT Quiz 2
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does an increase in compressor efficiency affect the shape of the PV diagram?

The compression curve becomes steeper

The compression curve becomes flatter

The combustion process is affected

The expansion process is affected

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a combined cycle power plant, how does the inclusion of a gas turbine benefit the overall efficiency?

The gas turbine provides additional power without increasing heat rejection.

Waste heat from the gas turbine is used to generate steam for a steam turbine, improving overall fuel utilization.

The combined cycle allows for the use of a wider variety of fuels.

The steam turbine can be used to start the gas turbine quickly.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of turbine utilizes the energy of flowing water?

Gas turbine

Steam turbine

Hydraulic turbine

Wind turbine

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of gas turbine compressor is most commonly used due to its high efficiency and pressure ratios?

Can-type combustor

Annular combustor

Centrifugal compressor

Axial compressor

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which component in a gas turbine combustion chamber is responsible for monitoring the stability of the combustion process?

Fuel injector

Igniter

Flame detector

Diffuser

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the design of an axial compressor differ from a centrifugal compressor used in gas turbines?

Axial compressors use multiple stages of blades arranged in a circular pattern, while centrifugal compressors have a single stage.

Centrifugal compressors utilize nozzles to direct air, while axial compressors rely on diffusers.

Axial compressors offer higher efficiency and pressure ratios compared to centrifugal compressors.

Centrifugal compressors are more suitable for high-pressure

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the oil cooler contribute to the overall performance of the gas turbine?

By preventing ice formation in the air intake

By reducing the temperature of the lubricating oil

By increasing the pressure of the fuel

By controlling the turbine speed

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