What is the cross-sectional size of a slip gauge?

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ALP CBT 2 Fitter Previous Paper: Held on 21 Jan 2019 Shift 1
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  1. 42 mm × 9 mm
  2. 22 mm × 9 mm
  3. 32 mm × 9 mm
  4. 52 mm × 9 mm

Answer (Detailed Solution Below)

Option 3 : 32 mm × 9 mm
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Detailed Solution

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Explanation:

  • Slip gauges or gauge blocks are used as standards for precision length measurement.
  • Gauge blocks or slip gauges are made of a special steel alloy.
  • These gauges are made in sets and consist of a number of hardened blocks made of high-grade steel with low thermal expansion.
  • Slip gauges are rectangular blocks of hardened and stabilized high-grade steel or zirconium oxide (ZrO2).
  • The cross-sectional size of a slip gauge is 32 × 9 mm means they have 9 mm wide and 30 to 35 mm long cross-sections.

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