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.

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3342. The shear stress at a point in a shaft subjected to a torque is

directly proportional to the polar moment of inertia and to the distance of the point from the axis
directly proportional to the applied torque and inversely proportional to the polar moment of inertia
directly proportional to the applied torque and the polar moment of inertia
inversely proportional
✅ The correct answer is option B.

3349. The advantage of a broaching operation is that

rate of production is very high
high accuracy and high class of surface finish is possible
roughing and finishing cuts are completed in one pass of the tool
all of the above
✅ The correct answer is option D.
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