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Difficulty: MediumExplicit Main Idea

Passage:
Flexible borescope inspection is the primary non-destructive method for examining the internal components of turbine engines without disassembly. By inserting an articulating fiber-optic probe through specialized access ports, technicians can visually assess turbine nozzle guide vanes, compressor blades, and combustion liners for thermal stress cracks or erosion. This optical inspection technique significantly reduces maintenance downtime and labor costs by identifying internal structural defects while the engine remains mounted on the airframe.

According to the passage, the primary function of flexible borescope inspection is to examine internal turbine engine components for defects without disassembling the engine.

Answer: Answer

Answer

True. The statement directly restates the explicitly stated central idea of the passage.
The statement is true because the passage explicitly states in the first sentence that flexible borescope inspection is the primary non-destructive method for examining internal turbine components without disassembly, an idea reinforced by the details regarding on-airframe inspection and defect detection.

Step-by-Step Solution

1
Locate the explicit topic sentence within the passage.
The opening sentence directly states: 'Flexible borescope inspection is the primary non-destructive method for examining the internal components of turbine engines without disassembly.'
Explicit main ideas in technical passages are frequently stated in the lead sentence.
2
Evaluate whether the surrounding sentences support this overarching concept.
The subsequent sentences provide specific supporting details describing how fiber-optic probes inspect internal parts and reduce labor downtime.
Supporting details substantiate the broad central idea rather than replacing it.
3
Compare the provided statement with the central claim of the text.
The statement accurately summarizes the explicit primary claim of the passage.
Confirming alignment between the summary statement and the explicit topic sentence determines that the statement is true.

Key Concept

Explicit Main Idea Identification
Estimated Time:1m 0s
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Explicit Main Idea

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