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: Cast iron is widely used because of its
A) High strength
B) Good machinability
C) Ductility
D) High toughness
Q: The angle between two surfaces of a cutting tool is called
A) Clearance angle
B) Rake angle
C) Helix angle
D) Relief angle
Q: Velocity ratio in a screw jack is
A) Always less than 1
B) Always more than 1
C) Equal to 1
D) Zero
Q: Newton’s second law is concerned with
A) Force and acceleration
B) Velocity and mass
C) Acceleration and inertia
D) Friction and reaction
Q: First law of thermodynamics is the law of
A) Energy conservation
B) Ideal gases
C) Friction
D) Entropy