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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?

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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. 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

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. 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. 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

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 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

Q7. 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

Q8. 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

Q9. 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

Q10. 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

Q11. 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

Q12. 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.

Q13. 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

Q14. 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

Q15. A welder uses a scriber to mark a line 75 mm from the edge of a metal sheet. If the metal sheet is 300 mm wide, what percentage of the sheet's width is the marked distance from the edge?

  1. 25%
  2. 20%
  3. 30%
  4. 15%
Free Welder (Health Services) Practice Questions | Kerala PSC Prep