11. Queuing theory is used for
job-shop scheduling
inventory problems
traffic congestion studies
all of these
✅ The correct answer is option D.
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.
12. The factors to be considered for production scheduling are
component design
route sheet
time standards
all of these
✅ The correct answer is option D.
13. The advantage of thermit welding is that
all parts of the weld section are molten at the same time
weld cools almost uniformly
results in a minimum problem with internal residual stresses
all of the above
✅ The correct answer is option D.
14. In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is
low
very low
high
very high
✅ The correct answer is option D.
15. Which one of the following sets of constituents is expected in equilibrium cooling of a hyper-eutectoid steel from austenitic state?
Ferrite and pearlite
Cementite and pearlite
Ferrite and bainite
Cementite and martensi
✅ The correct answer is option B.
16. In a reciprocating steam engine, which of the following forms a kinematic link?
Cylinder and piston
Piston rod and connecting rod
Crankshaft and flywheel
Flywheel and engine fr
✅ The correct answer is option C.
17. When the expansion or compression takes place according to the law pvn = C, the process is known as
isothermal process
adiabatic process
hyperbolic process
polytropic process
✅ The correct answer is option D.
18. The first nuclear power plant in India was located at
Kota
Tarapur
Bareilly
none of these
✅ The correct answer is option B.
19. The critical neutral axis of a reinforced cement concrete beam is based on the principle that the neutral axis is situated at the centre of gravity of a given section.
TRUE
FALSE
✅ The correct answer is option A.
20. A spherical body is symmetrical about its perpendicular axis. According to Routh’s rule, the moment of inertia of a body about an axis passing through its centre of gravity is(where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.)
MS/3
MS/4
MS/5
none of these
✅ The correct answer is option C.