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Question

Each modern industrialised country, including India, has a National Metrology Institute (NMI). What is the main role of an NMI?

This question was previously asked in
RRB NTPC 2024 CBT 1 Question Paper (28-Aug-2025) (Shift 3)
The correct answer is
To maintain standards of measurements

NMI Role: Maintaining Measurement Standards

National Metrology Institutes (NMIs), present in industrialized countries like India, play a crucial role in the scientific infrastructure.

Primary Function of an NMI

  • The principal duty of an NMI is to establish, maintain, and disseminate the national measurement standards.
  • These standards ensure that measurements made within the country are accurate, reliable, and internationally comparable.
  • This involves activities like calibration, research in metrology, and ensuring traceability to the International System of Units (SI).

Evaluation of Options

  • Option 1: To maintain standards of measurements - This aligns perfectly with the definition and responsibilities of an NMI.
  • Option 2: To monitor weather conditions - This task belongs to meteorological organizations.
  • Option 3: To regulate internet access in the country - This is handled by telecommunications regulatory bodies.
  • Option 4: To conduct medical research - This is the domain of medical research institutes.

The NMI's focus on measurement standards is fundamental for scientific advancement, industrial production, and fair trade.

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