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Question

Difficulty: EasyDirect Fact Retrieval

Read the following passage about marine diesel maintenance:

Diesel engines in marine vessels require clean, water-free fuel to prevent injector corrosion and engine failure. Primary fuel filters use a transparent sediment bowl at the base to collect separated water. Operators must inspect this bowl during daily pre-start checks and turn the drain valve counterclockwise to purge accumulated water. If the water level reaches the red indicator line, the fuel-water separator element must be replaced immediately.

Based on the passage, complete the statement with the exact factual detail provided in the text:

Answer:To purge accumulated water from the sediment bowl, operators must turn the drain valve 【counterclockwise】.

Answer

counterclockwise
The passage explicitly states that operators must 'turn the drain valve counterclockwise to purge accumulated water.' Therefore, 'counterclockwise' is the direct factual answer required to complete the sentence.

Step-by-Step Solution

1
Scan the passage for the keywords 'drain valve' and 'purge accumulated water'.
Found the exact sentence: 'Operators must inspect this bowl during daily pre-start checks and turn the drain valve counterclockwise to purge accumulated water.'
Direct fact retrieval requires locating the specific sentence containing the target information.
2
Extract the directional word that describes how the valve is turned.
The word is 'counterclockwise'.
The blank requires the exact operational detail explicitly stated in the text.

Key Concept

Direct Fact Retrieval
Estimated Time:45s
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Topics

Direct Fact Retrieval

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