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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4012. A basic hole is one whose

lower deviation is zero
upper deviation is zero
lower and upper deviations are zero
none of these
✅ The correct answer is option A.

4014. The hammer blow in pipes occurs when

there is excessive leakage in the pipe
the pipe bursts under high pressure of fluid
the flow of fluid through the pipe is suddenly brought to rest by closing of the valve
the flow of fluid thro
✅ The correct answer is option C.
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