# Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than ______________ of the head? with Answer - Chemical Engineering Mcqs | TestPrep

> Solved MCQ: Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than ______________ of the head? Correct Answer: C. Either A. or B., whichever is larger. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

---

Tested in Competitive Exams:

[NTS Test Prep](https://test-prep.blog/exams/nts)[FPSC Past Papers](https://test-prep.blog/exams/fpsc)[PPSC Solved MCQs](https://test-prep.blog/exams/ppsc)[PMDC MDCAT 2026](https://test-prep.blog/exams/mdcat)[UET ECAT Prep](https://test-prep.blog/exams/ecat)[CSS Central Superior](https://test-prep.blog/exams/css)

[Chemical Engineering Mcqs](https://test-prep.blog/categories/chemical-engineering-mcqs)
Difficulty: Easy80% Accuracy

# Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than ______________ of the head?

Direct Answer & Quick Reference

The correct option is **C. Either A. or B., whichever is larger**.

A. 6% of I.D.

B. 3 times the thickness

C. Either A. or B., whichever is largerCorrect Answer

D. Either A. or B., whichever is smaller

Verified Key: C. Either A. or B., whichever is larger
Solved by 3,335+ students

Verified against official examination board answer keys and standard curriculum textbooks.

[Previous QuestionWhich of the following is a type of sedimentary rock?](https://test-prep.blog/mcq/which-of-the-following-is-a-type-of-sedimentary-rock-3c37d9b4-29f3-4b85-8ee8-c30cddad8e31)[Next QuestionWhich of the following rock favors petroleum formation?](https://test-prep.blog/mcq/which-of-the-following-rock-favors-petroleum-formation-8de34f5c-5054-406d-81ba-a2b7a775b708)

[Practice More Chemical Engineering Mcqs MCQs](https://test-prep.blog/quiz/smart?category=chemical-engineering-mcqs)[How We Verify Questions →](https://test-prep.blog/editorial-policy)

## Subject Overview

Explore thousands of solved past paper MCQs for Chemical Engineering Mcqs categorized with explanations.

[Browse All Chemical Engineering Mcqs MCQs →](https://test-prep.blog/categories/chemical-engineering-mcqs)

## Related Questions

[Which of the following is a type of sedimentary rock?](https://test-prep.blog/mcq/which-of-the-following-is-a-type-of-sedimentary-rock-3c37d9b4-29f3-4b85-8ee8-c30cddad8e31)[Which of the following rock favors petroleum formation?](https://test-prep.blog/mcq/which-of-the-following-rock-favors-petroleum-formation-8de34f5c-5054-406d-81ba-a2b7a775b708)[DLS stands For_______?](https://test-prep.blog/mcq/dls-stands-for_______-334d51e8-f12a-4948-aae4-0a921c1cabdc)[RIH stands for ________?](https://test-prep.blog/mcq/rih-stands-for-________-bb6912da-ac66-4daa-8872-080b0065be37)[“The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements.” This is the statement of___________________?](https://test-prep.blog/mcq/the-heat-capacity-of-a-solid-compound-is-approximately-equal-to-the-sum-of-the-h-05c6d5e6-380a-4820-b10d-3ecfd779b04c)

---
*Source: https://test-prep.blog/mcq/practical-dividing-line-between-a-ductile-and-brittle-materials-is-suggested-whe-9c8cf6c0-7ee0-43ce-b5ba-2450e72deb0b*
*Format: Markdown for Agents (Content Negotiation: text/markdown)*
