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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📘 Strength of Materials MCQs
📘 Theory of machines MCQs
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📘 Workshop Technology MCQs

2074. The lubrication oil flow in an engine is in the order as

oil strainer – oil pump – relief valve – oil filter – cylinder block – cylinder head – oil pan
oil pump – oil strainer – relief valve – oil filter – cylinder block – cylinder head – oil pan
oil strainer – oil filter – relief valve – oil pump – cylinder block – cylinder head – oil pan
oil strainer – oil pum
✅ The correct answer is option A.

2079. Which of the following statement is correct as regard to the difference between a machine and a structure?

The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another
The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only
A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work
all of the above
✅ The correct answer is option D.
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