Question

Difficulty: MediumDomain-Specific and Technical Vocabulary

A Spanish-language maintenance guide for a mountain bicycle contains the following instruction:

"Para purgar adecuadamente el circuito hidráulico de los frenos de disco, es imperativo retirar las pastillas y colocar un bloque de purga en la pinza. De lo contrario, cualquier fuga accidental de aceite mineral contaminará el material de fricción, inutilizándolo por completo."

Based on the guide, what does the technical term "pastillas" refer to, and what is the primary reason they must be removed?

  1. A
    They refer to chemical cleaning tablets, and they must be removed to prevent them from dissolving in the hydraulic oil.
  2. B
    They refer to safety clamps, and they must be removed to allow the caliper to open fully during the purging process.
  3. They refer to brake pads, and they must be removed to prevent accidental mineral oil leaks from ruining their friction material.Answer
  4. D
    They refer to mineral oil capsules, and they must be removed to avoid clogging the brake lines during fluid replacement.

Answer

The correct option is the one stating that 'pastillas' refers to brake pads and that they must be removed to prevent accidental mineral oil leaks from ruining their friction material.
The correct answer accurately identifies 'pastillas' as brake pads in this mechanical context and correctly states that they are removed to prevent oil contamination on their friction surfaces, which matches the warning in the text.

Step-by-Step Solution

1
Analyze the technical context of the guide to determine the meaning of the Spanish word 'pastillas' in a bicycle disc brake maintenance scenario.
In a mechanical and braking context, 'pastillas' refers to brake pads rather than its everyday meaning of pills or tablets.
Domain-specific terminology requires choosing the meaning that fits the technical system described (disc brakes).
2
Examine the consequence mentioned in the text: 'cualquier fuga accidental de aceite mineral contaminará el material de fricción, inutilizándolo por completo'.
An accidental mineral oil leak will contaminate the friction material of the brake pads, making them completely useless.
This explains why it is imperative to remove them before starting the bleed procedure.
3
Match these findings to the correct option.
The option stating that 'pastillas' refers to brake pads and that they must be removed to prevent oil leaks from ruining their friction material is the correct choice.
It accurately reflects both the technical definition of the term in this context and the functional requirement outlined in the guide.

Key Concept

Domain-Specific and Technical Vocabulary
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