absorb excess neutrons
control fuel consumption
control temperature
all of these
✅ The correct answer is option A.
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.
22. The longitudinal stress is __________ of the circumferential stress.
one-half
two-third
three-fourth
double
✅ The correct answer is option A.
23. When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium.
inward
outward
✅ The correct answer is option A.
24. The angle of inclination with the vertical is __________ if the cyclist is running at a faster speed than that when he is running at a slower speed.
more
less
✅ The correct answer is option A.
25. The equation of motion for a vibrating system with viscous damping is If the roots of this equation are real, then the system will be
overdamped
under damped
critically damped
without vibrations
✅ The correct answer is option A.
26. The Lewis equation for gear tooth with involute profile predicts the static load capacity of cantilever beam of uniform strength.
TRUE
FALSE
✅ The correct answer is option A.
27. The upsetting is a process of
increasing the cross-section of a bar
reducing the cross-section of a bar
joining the two surfaces of metal under pressure after heating
bending of a bar
✅ The correct answer is option A.
28. A fluid which obeys the Newton’s law of viscosity is termed as
real fluid
ideal fluid
newtonian fluid
non-newtonian fluid
✅ The correct answer is option C.
29. A tool used to withdraw a drill from the sleeve is called
drill remover
drill puller
drift
drill drawer
✅ The correct answer is option C.
30. The metal suitable for bearings subjected to heavy loads, is
silicon bronze
white metal
monel metal
phosphor bronze
✅ The correct answer is option B.