1571. A connecting rod should be
strong in buckling about X-axis
strong in buckling about Y-axis
equally strong in buckling about X-axis and Y-axis
any one of the above
✅ The correct answer is option C.
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.
1572. The average shear stress in the hollow shaft is smaller than the average shear stress in the solid shaft.
TRUE
FALSE
✅ The correct answer is option A.
1573. In pressure compounding of an impulse turbine, the total pressure drop of the steam does not take place in the first nozzle ring, but is divided equally among all the nozzle rings.
Agree
Disagree
✅ The correct answer is option A.
1574. If the ratio of all the corresponding linear dimensions are equal, then the model and the prototype are said to have
geometric similarity
kinematic similarity
dynamic similarity
none of these
✅ The correct answer is option A.
1575. Vectors method for the resultant force is also called polygon law of forces.
Correct
Incorrect
✅ The correct answer is option A.
1576. Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has
high neutron absorption cross-section
low moderating efficiency
high neutron scatter cross-section
low neutron absorption
✅ The correct answer is option B.
1577. The minor diameter of a screw thread is also known as outside or nominal diameter.
Correct
Incorrect
✅ The correct answer is option B.
1578. The volumetric strain is the ratio of the
original thickness to the change in thickness
change in thickness to the original thickness
original volume to the change in volume
change in volume to th
✅ The correct answer is option D.
1579. In hot machining, solid carbide tools are preferred over high speed steel tools.
TRUE
FALSE
✅ The correct answer is option A.
1580. The floating position of the holding fixture in a rotary transfer device is used to
improve the accuracy of location
reduce the tendency to over-index
improve upon the acceleration and deceleration characteristics
reduce the cycle time
✅ The correct answer is option D.