PYQPulse
HomeMocksPracticePYQsUpdatesDashboard
PYQPulse

Timing-accurate mock tests and PYQs for SSC, Banking and Railway exams — so the real paper feels like a revision.

Exams

  • SSC exams
  • Banking exams
  • Railway exams
  • All exams

Practice

  • Practice questions
  • Mock test series
  • Sectional tests
  • Year-wise PYQs
  • Performance analytics

Company

  • About us
  • Help Centre
  • Pricing
  • Sign in

Legal

  • Privacy Policy
  • Terms of Service

Contact

  • hello@testwala.co.in
  • Telegram
  • +91 62816 87760

Practice interface modeled on the official exam pattern — not the official examination. PYQPulse is not affiliated with the Staff Selection Commission, IBPS, SBI, RBI, NABARD, SEBI or Indian Railways.

© 2026 PYQPulse. All rights reserved.

Built for aspirants, by aspirants.

HomeMocksPracticeStats
  1. Home
  2. ›
  3. PYQs
  4. ›
  5. RRB Junior Engineer / DMS / CMA
  6. ›
  7. 2019
  8. ›
  9. Q3493

RRB Junior Engineer / DMS / CMA 2019 · Question 3493 of 3719

What is the full form of CMM?

  1. ACurrent Measuring Machine
  2. BCoordinate Monitoring Machine
  3. CCoordinate Measuring MachineCorrect
  4. DCantilever Measuring Machine

Answer: C. Coordinate Measuring Machine

Explanation

Explanation : The full form of CMM is Coordinate Measuring Machine . Coordinate Measuring Machine It is one of the most powerful metrological instruments ; coordinate measuring machines are widely used in most manufacturing plants, large and small. CMMs are referred to as those machines that give physical representations of a three-dimensional rectilinear Cartesian coordinate system. The basic hardware elements of a typical CMM include structural elements ,supporting bearings, drive systems, feedback elements, probe head, and control systems .

Source: RRB JE 2019 (CBT 2) (ME) Previous Year Paper (31 Aug 2019) — prepp.in solved-paper PDF (answer key with explanations) · reliable-secondary

← Q3492View full paper (3719 questions)Q3494 →

Practice the full RRB Junior Engineer / DMS / CMA 2019 paper

Timed test with all 3719 questions, just like the real exam.

Start test