Mechanical Engineering MCQs
Mechanical Engineering MCQs for competitive exams in Pakistan cover thermodynamics, fluid mechanics, machine design, manufacturing, and materials. Ideal for PPSC, FPSC, NTS, and university tests, they help students and professionals enhance concepts and problem-solving skills.
Q: Stress distribution in a cantilever beam under uniform load is maximum at which end?
A) Midspan
B) Fixed end
C) Free end
D) Neutral axis
Q: Hooke’s law is valid within which mechanical region?
A) Strain hardening
B) Elastic
C) Fracture
D) Plastic
Q: Which law governs the heat transfer by conduction?
A) Fourier's Law
B) Newton’s Law
C) Planck’s Law
D) Pascal’s Law
Q: Is entropy a property that increases or decreases in irreversible processes?
A) Zero
B) Increases
C) Constant
D) Decreases
Q: Thermodynamic efficiency of Carnot engine depends on which parameters?
A) Reservoir temperatures
B) Mass flow rate
C) Entropy change
D) Cylinder pressure