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Question

Which tool is most appropriate for marking parts before removing them during diesel engine dismantling to ensure correct reassembly?

This question was previously asked in
RRB ALP 2025 CBT 2 Wiremen Question Paper (28-Jul-2026) (Shift 2)
The correct answer is

A center punch.

The question asks about the most appropriate tool for marking parts before removing them during the dismantling of a diesel engine. Let's evaluate the options to determine the correct answer.

  1. Option A: A metal brush
    A metal brush is typically used for cleaning surfaces, removing rust, or preparing surfaces for soldering or painting. It is not suitable for marking parts.
  2. Option B: A barrette file
    A barrette file is a type of file used for smoothing or shaping materials. It is specifically designed for finishing surfaces and is not meant for marking.
  3. Option C: An adjustable wrench
    An adjustable wrench is used to loosen or tighten nuts and bolts. It does not serve the purpose of marking parts.
  4. Option D: A center punch
    A center punch is a tool that is specifically designed to make a small indentation in a material, often metal. This indentation serves as a guide for drilling or can be used as a mark for alignment. Therefore, a center punch is suitable for marking parts prior to dismantling, as it ensures that each part can be realigned correctly during reassembly.

Through this evaluation, it is clear that Option D: A center punch is the most appropriate tool for marking parts before removing them during diesel engine dismantling. Using a center punch for marking helps maintain alignment and ensures accurate reassembly.

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Similar Questions

  1. A fitter is tasked with marking accurate parallel lines on a metal plate before cutting. He must select a divider with tips made of a suitable material for this job. Which divider tip material would be most appropriate to use to avoid rapid wear and ensure precise marking on the metal surface?

  2. In a workshop, a mechanic needs to determine the length of the diagonal support for a rectangular metal plate with sides of 9 cm and 12 cm. Which value represents the correct length of the diagonal support needed?

  3. Why is centre punching necessary on curved or cylindrical surfaces?

  4. Which operation most benefits from using a V-block with a clamp?

  5. In marking operations, a V-block is mainly used to:

  6. Why are V-blocks often used in pairs when supporting long cylindrical workpieces?

  7. If a flat chisel is used instead of a center punch before drilling, what problem might occur?

  8. Which of the following is a correct use of a centre punch during layout work?

  9. A student marks a line with a scriber, but the line is barely visible. What might be the most likely cause?

  10. Which feature distinguishes a centre punch from a prick punch in terms of construction?


Important Questions from Marking and Marking Tools

  1. What is the point angle of prick punch which is used for making light punch marks?

  2. The point angle of scriber is

  3. The angle of the punch used for witness marks is

  4. A fitter is tasked with marking accurate parallel lines on a metal plate before cutting. He must select a divider with tips made of a suitable material for this job. Which divider tip material would be most appropriate to use to avoid rapid wear and ensure precise marking on the metal surface?

  5. In a workshop, a mechanic needs to determine the length of the diagonal support for a rectangular metal plate with sides of 9 cm and 12 cm. Which value represents the correct length of the diagonal support needed?

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