1841. A steel containing __________ 0.8% carbon is known as hypo-eutectoid steel.
equal to
less than
greater than
✅ The correct answer is option B.
Mechanical Engineering
Prepare with the best Mechanical Engineering MCQs with answers and explanations for exams, interviews, and job tests. Our collection covers core topics such as engineering mechanics, thermodynamics, strength of materials, theory of machines, fluid mechanics, heat transfer, manufacturing processes, machine design, and power plant engineering. These Mechanical Engineering multiple-choice questions are designed for students, fresh graduates, and professionals preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and recruitment assessments. Strengthen your technical knowledge and problem-solving ability with our updated and comprehensive Mechanical Engineering MCQs.
1842. Phosphor bronze has
high resistance to corrosion
good wearing qualities and high elasticity
valuable cold working property
all of these
✅ The correct answer is option B.
1843. The direct stress induced in a long column is __________ as compared to bending stress.
same
more
less
negligible
✅ The correct answer is option D.
1844. While cutting helical gears on a non-differential gear hobber, the feed change gear ratio is
independent of index change gear ratio
dependent on speed change gear ratio
inter-related to index change gear ratio
independent of speed a
✅ The correct answer is option C.
1845. The radial distance from the __________ to the clearance circle is called working depth.
addendum circle
dedendum circle
✅ The correct answer is option A.
1846. The term ‘centroid’ is
the same as centre of gravity
the point of suspension
the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
none of the above
✅ The correct answer is option A.
1848. The hot working of metals is carried out
at the recrystallisation temperature
below the recrystallisation temperature
above the recrystallisation temperature
at any temperature
✅ The correct answer is option C.
1849. If the fuel is rich in fissionable material, the reactor can be made more compact than if the percentage of fissionable atoms is small.
Agree
Disagree
✅ The correct answer is option A.
1850. The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called
Kinetic theory of gases
Newton’s law of gases
Dalton’s law of partial pressures
Avogadro’s hypothesis
✅ The correct answer is option C.