Q. Which variety of copper has the best mechanical strength?
✅ Correct Answer: (B)
Hard drawn copper
Engineering Materials MCQs | Page - 4
Dear candidates you will find MCQ questions of Engineering Materials here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. Brinell hardness number for nitrided steel is in the range
✅ Correct Answer: (D)
700 to 800
Q. Gamma iron has
✅ Correct Answer: (D)
Face centred space lattice structure with 14 atoms
Q. The tendency for brittle fracture increases with
✅ Correct Answer: (D)
None of the above
Q. Preheating of material to be welded is necessary in case of
✅ Correct Answer: (B)
Cast iron
Q. Steel balls for ball bearings are generally made of
✅ Correct Answer: (A)
Carbon chrome steel
Q. The process of reheating the hardened steel to some temperature below the critical range, followed by any rate of cooling is known as
✅ Correct Answer: (C)
Tempering
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