2701. The design of the pressure vessel is based on
longitudinal stress
hoop stress
longitudinal and hoop stress
none of these
✅ 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.
2702. The rate of flow of steam is __________ in case of fire tube boilers.
less
more
✅ The correct answer is option A.
2703. Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is
bh3/4
bh3/8
bh3/ 12
bh3/ 36
✅ The correct answer is option C.
2704. The function of oil-control rings is that it
lubricates the cylinder wall by releasing oil from its hole
keeps the cylinder wall lubricated by holding oil in its channel
prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan
maintains a seal and p
✅ The correct answer is option C.
2705. The engine torque increases with the increase in engine speed up to a certain point after which it starts to fall down.
Correct
Incorrect
✅ The correct answer is option A.
2706. When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the
initial tension
external load applied
sum of the initial tension and external load applied
initial tension or ext
✅ The correct answer is option D.
2707. The correct sequence of the decreasing order of brake thermal efficiency of the three given basic types of engines is
four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine
four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine
four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine
two stroke S.I. engine
✅ The correct answer is option A.
2708. According to law of gearing, the common normal at the point of contact between a pair of teeth must always pass through the pitch point.
Correct
Incorrect
✅ The correct answer is option A.
2709. A dynamometer is a device used for the measurement of
chip thickness ratio
forces during metal cutting
wear of the cutting tool
deflection of the cutt
✅ The correct answer is option B.
2710. The coriolis component of acceleration depends upon
velocity of slider
angular velocity of the link
both (a) and (b)
none of these
✅ The correct answer is option C.