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Compare a steel rule with a hook end and a steel rule with a fixed end. Which statement correctly describes their difference in measuring external dimensions?

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Free Welder (Health Services) Practice Questions

Kerala Public Service CommissionRecruitment for the post of Welder in the Health Services Department of Kerala Government. The selection is through direct recruitment for district-wise vacancies.Category No: 292/2025Age limit: 19-36 years

Try 15 free syllabus-aligned practice questions for the Welder (Health Services) exam. Each question includes instant feedback so you can learn as you go. No sign-up required.

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Q1. Compare a steel rule with a hook end and a steel rule with a fixed end. Which statement correctly describes their difference in measuring external dimensions?

  1. Hook end rules measure external dimensions by hooking onto the edge, fixed end rules measure from the end of the rule.
  2. Fixed end rules are used only for internal measurements, hook end rules only for depth.
  3. Hook end rules are less accurate than fixed end rules for external measurements.
  4. Fixed end rules have a sliding scale, hook end rules do not.

Q2. A welder needs to measure a length of 37.5 cm accurately using a steel rule graduated in millimeters. How many millimeter marks will the welder count on the steel rule to measure this length?

  1. 375 mm
  2. 37.5 mm
  3. 3,750 mm
  4. 0.375 mm

Q3. Compare the use of a steel rule versus a tape measure for measuring short metal pieces in welding. Which statement best describes their differences?

  1. A steel rule is less accurate than a tape measure for short measurements
  2. A tape measure is more rigid and easier to use on flat surfaces
  3. A steel rule provides more precise readings for short, straight measurements
  4. Both tools provide the same accuracy regardless of measurement length

Q4. In a welding workshop, a steel rule is marked with graduations on both edges: one in inches and the other in centimeters. What is the primary benefit of this type of steel rule?

  1. Allows measurement of both metric and imperial units without changing tools
  2. Increases the length of the steel rule
  3. Improves the durability of the steel rule
  4. Provides a flexible measuring surface

Q5. Which feature of a steel rule makes it particularly suitable for marking measurements on metal in welding?

  1. Its flexible plastic body
  2. Its rigid, durable metal construction with etched graduations
  3. Its magnetic tip for holding metal pieces
  4. Its built-in digital display for measurements

Q6. What is the primary purpose of a scriber in welding preparation?

  1. To weld two metal pieces together
  2. To mark precise lines on metal surfaces
  3. To measure the thickness of metal sheets
  4. To grind and smooth metal edges

Q7. A welder needs to mark a straight line 150 mm from the edge of a steel plate using a scriber and a steel ruler. Which of the following steps is the correct procedure?

  1. Place the ruler along the edge, measure 150 mm, then use the scriber to scratch a line at that point.
  2. Use the scriber to measure 150 mm, then draw a line freehand.
  3. Mark 150 mm with a pencil, then use the scriber to trace over the pencil line.
  4. Place the ruler at 150 mm from the edge and weld along the edge.

Q8. A welder reads a steel rule and notes the measurement as 4 7/16 inches. If the smallest graduation on the rule represents 1/16 inch, how many small graduations past the 4-inch mark does the welder count?

  1. 7 graduations
  2. 4 graduations
  3. 11 graduations
  4. 16 graduations

Q9. What is the primary purpose of a steel rule in welding tasks?

  1. To measure and mark dimensions accurately on metal surfaces
  2. To weld two metal pieces together
  3. To grind and smooth metal edges
  4. To heat metal before welding

Q10. When reading measurements on a steel rule, why is it important to align the zero mark precisely with the starting point of the object being measured?

  1. To ensure the measurement includes the thickness of the rule
  2. To avoid cumulative measurement errors
  3. To make the measurement appear larger
  4. To prevent the rule from slipping

Q11. Compare the use of a scriber and a permanent marker for marking metal surfaces in welding preparation. Which statement best describes their differences?

  1. A scriber leaves a physical scratch, while a permanent marker leaves an ink line that can wear off.
  2. A permanent marker is more precise than a scriber for metal marking.
  3. Both tools create permanent marks that cannot be removed.
  4. A scriber is used only on wood, while permanent markers are for metal.

Q12. Compare a steel rule to a tape measure in the context of welding measurement tasks. Which advantage does the steel rule have over the tape measure?

  1. Greater flexibility to measure curved surfaces
  2. Higher precision for short, straight measurements
  3. Longer measuring length for large metal sheets
  4. Automatic locking mechanism for ease of use

Q13. A steel rule is marked in millimeters and centimeters. If a welder measures a length of 7.8 cm on a metal piece, what is the equivalent measurement in millimeters?

  1. 78 mm
  2. 7.8 mm
  3. 0.78 mm
  4. 780 mm

Q14. Compare two steel rules: one stored in a dry, oiled condition and the other left exposed to moisture without maintenance. Which statement correctly describes their expected condition after 6 months?

  1. Both will remain in similar condition due to steel's natural resistance
  2. The oiled rule will be rust-free and accurate; the exposed rule will likely have rust and measurement errors
  3. The exposed rule will be more accurate due to natural aging
  4. The oiled rule will become sticky and unusable

Q15. Which type of steel rule is most suitable for measuring inside dimensions such as the diameter of a pipe?

  1. Steel rule with a hook end
  2. Steel rule with a sliding vernier
  3. Steel rule with a flexible blade
  4. Steel rule with a fixed end
Free Welder (Health Services) Practice Questions | Kerala PSC Prep