GTS Mod 8 Easy

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What does each line of the FF on an Engine Performance Trend graph represent?

1 quart per hour consumption

100lb of fuel flow per hour (correct)

10lb of fuel flow per hour

1 gallon of fuel flow per hour

Why is effective trend monitoring crucial in engine maintenance?

To detect small deviations in instrument indications (correct)

To save costs on fuel consumption

To ensure a smooth flight experience for passengers

To increase the engine's maximum power output

What might cause a deviation in one engine indication only?

Instrument malfunction (correct)

Operator's misreading of values

Increase in turbine gas temperature

Change in engine performance

Why was the engine with this graph reading removed?

For excessive oil consumption Signup and view all the answers

What was the result of the bleed air leak into the No.4 and No.5 main bearings?

Increased oil consumption Signup and view all the answers

What could be a consequence of a deviation of two or more parameters?

Change in engine performance Signup and view all the answers

Why did the engine require more fuel to produce the required thrust due to the bleed air leak?

To counteract the increased compressor RPM Signup and view all the answers

How were engine parameters affected when the No.4 and No.5 main bearings leaked bleed air?

From high to unacceptable range Signup and view all the answers

How can a minor fluctuation in the engine data be interpreted?

As a normal occurrence within engine operating limits Signup and view all the answers

What would deviations in engine parameters indicate for an engine with normal oil consumption according to this graph?

Bleed air loss Signup and view all the answers

In modern aircraft, what monitors and records aircraft and engine condition and faults?

Microcomputer systems Signup and view all the answers

What receives signals from sensing devices and processes them in a central unit in modern aircraft?

Central microcomputer Signup and view all the answers

What is the purpose of an engine vibration indicator?

To measure and display engine vibration levels Signup and view all the answers

Why may aircrew not notice a change in engine vibration due to an impending failure?

The normal vibration level of a turbojet engine is low Signup and view all the answers

What is engine trend monitoring based on?

The consistency with which an engine follows its performance figures Signup and view all the answers

Why are many engines fitted with vibration systems?

To continually monitor engine vibration levels Signup and view all the answers

What does an engine pickup do in the engine vibration system?

Positions itself at critical areas on the engine Signup and view all the answers

What is the purpose of a cockpit indicator in the engine vibration system?

To display engine vibration levels to aircrew Signup and view all the answers

GTS Mod 8 Easy

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