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What is the primary purpose of the graduations marked on a steel rule used 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. 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

Q2. 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

Q3. 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

Q4. 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.

Q5. 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

Q6. 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

Q7. 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

Q8. 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

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. What is the main advantage of a steel rule with a flexible blade compared to a rigid steel rule in welding measurements?

  1. Greater accuracy on flat surfaces
  2. Ability to measure curved or irregular surfaces
  3. Easier to read measurements
  4. Longer measurement range

Q11. 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

Q12. Which of the following best describes the impact of neglecting the maintenance of steel rules on welding quality?

  1. No impact, as welding quality depends only on welding technique
  2. Leads to inaccurate measurements causing poor fitting and weak joints
  3. Improves welding speed due to less time spent on measurement
  4. Causes the steel rule to become magnetic, affecting welding arcs

Q13. 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

Q14. 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

Q15. 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
Free Welder (Health Services) Practice Questions | Kerala PSC Prep