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

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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

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Q1. 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

Q2. What is the primary purpose of the graduations marked on a steel rule used in welding?

  1. To indicate the weight of the steel rule
  2. To measure lengths and distances accurately
  3. To mark the temperature of the metal
  4. To identify the type of steel used

Q3. A steel rule is 1 meter long and has developed slight rust spots. After cleaning and oiling, the rule's markings appear less visible. What is the best practice to maintain both protection and readability?

  1. Apply a thin layer of light oil and wipe off excess to keep markings visible
  2. Apply thick oil to cover the entire surface for maximum protection
  3. Avoid oiling and only clean with water to preserve markings
  4. Use abrasive tools to remove rust and repaint the markings

Q4. 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

Q5. 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

Q6. 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.

Q7. 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.

Q8. A welder uses a steel rule that has a 0.5 mm worn-out section near the 50 cm mark. If the welder measures a piece as 50 cm using this rule, what is the actual length of the piece?

  1. 49.5 cm
  2. 50.0 cm
  3. 50.5 cm
  4. 51.0 cm

Q9. A welder needs to measure a metal piece that is 7 and 5/16 inches long using a steel rule. How should the welder read the measurement on the steel rule?

  1. Locate the 7-inch mark and then count 5 small graduations after it
  2. Locate the 7-inch mark and then count 3 small graduations after it
  3. Locate the 5-inch mark and then count 16 small graduations after it
  4. Locate the 7-inch mark and then count 16 small graduations after it

Q10. 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

Q11. 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

Q12. 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

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. What is the primary reason for regularly cleaning and oiling a steel rule used in welding measurements?

  1. To prevent rust and ensure accurate measurements
  2. To make the steel rule look shiny and new
  3. To increase the length of the steel rule
  4. To reduce the weight of the steel rule

Q15. Which characteristic of a scriber makes it especially suitable for marking metal surfaces compared to a pencil?

  1. Its ability to leave a permanent ink mark
  2. Its sharp tip that scratches the metal surface
  3. Its rubber grip for comfortable handling
  4. Its magnetic base for stability
Free Welder (Health Services) Practice Questions | Kerala PSC Prep