A. Impact
B. Torsion
C. Hardness
D. Charpy
✅ The correct answer is option C.
Engineering
Boost your preparation with the latest Engineering MCQs with answers and explanations. Our collection covers civil engineering, electrical engineering, mechanical engineering, electronics, software engineering, and other core subjects. These multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, PEC exams, university entry tests, and job interviews. Practice online with updated Engineering MCQs to strengthen concepts, improve technical knowledge, and perform better in exams and recruitment tests.
652. Earing is a defect found in steels after the following metal working operation (s).
A. Deep drawing
B. Rolling
C. Extrusion
D. Wire drawing
✅ The correct answer is option A.
653. Out of the following the refractive index is the highest for
A. Glass
B. Diamond
C. Brine
D. Kerosene
✅ The correct answer is option B.
654. Which of the following hardness tests does not measure the indentation hardness of metals and alloys ?
A. Vicker’s hardness test
B. Shore sceleroscope test
C. Brinell hardness test
D. Rockwell hardness test
✅ The correct answer is option B.
655. Kinematic viscosity of water as compared to that of air is
A. More
B. Same
C. 15% more
D. 15% less
✅ The correct answer is option D.
656. Number of electrons in the outermost shell of a semi-conductor material is
A. 2
B. 4
C. 6
D. 8
✅ The correct answer is option D.
657. A metalloid possesses the characteristics of both the metals and non-metals. Which of the following is not a metalloid?
A. Arsenic
B. Antimony
C. Lead
D. None of these
✅ The correct answer is option C.
658. Colloids can be purified by
A. Dialysis
B. Reverse osmosis
C. Coagulation
D. Peptization
✅ The correct answer is option A.
659. Pick out the wrong statement about a fast breeder reactor.
A. Uses molten sodium as moderator
B. Converts fertile fuel into fissile fuel
C. Requires highly enriched fuel
D. Produces more fuel than it consumes
✅ The correct answer is option A.
660. Water hammer in pipelines results, when the flowing fluid
A. Has very high velocity
B. Has very high pressure
C. Is brought to rest by gradually closing a valve
D. Is suddenly brought to rest by closing a valve
✅ The correct answer is option D.