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Question

The fundamental unit which is common in FPS and MKS systems is ________.

This question was previously asked in
RRB ALP 2018 CBT 2 Fitter Question Paper (21-Jan-2019) (Shift 3)
The correct answer is
Second

Fundamental Unit Commonality FPS MKS

The question asks to identify the fundamental unit that is present in both the Foot-Pound-Second (FPS) and Meter-Kilogram-Second (MKS) systems of measurement.

Comparing Measurement Systems

Let's examine the fundamental units of each system:

  • FPS System: Uses Foot (length), Pound (mass), and Second (time).
  • MKS System: Uses Meter (length), Kilogram (mass), and Second (time).

Identifying the Common Unit

By comparing the fundamental units of both systems, we can see that the unit for time is the same in both:

  • Length: Foot (FPS) vs. Meter (MKS) - Different
  • Mass: Pound (FPS) vs. Kilogram (MKS) - Different
  • Time: Second (FPS) vs. Second (MKS) - Same

Therefore, the fundamental unit common to both the FPS and MKS systems is the Second.

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