Engineering Mechanics (Statics & Dynamics) – MCQs 50 Score: 0 Attempted: 0/50 Subscribe 1. The branch of mechanics dealing with bodies at rest is called: (A) Kinetics (B) Dynamics (C) Statics (D) Kinematics 2. The condition for equilibrium of a rigid body is that: (A) ΣF = 0 (B) ΣM = 0 (C) Both ΣF = 0 and ΣM = 0 (D) None of these 3. A force of 10 N is applied at a distance of 2 m from a pivot. The moment is: (A) 5 Nm (B) 10 Nm (C) 20 Nm (D) 25 Nm 4. The line of action of a force passes through the: (A) Centroid (B) Moment arm (C) Axis (D) Point of application 5. The resultant of two equal forces at right angles is: (A) F (B) √2 F (C) 2F (D) F/2 6. The unit of force in SI system is: (A) Dyne (B) Newton (C) Pascal (D) Joule 7. Which principle states that forces can be replaced by their resultant? (A) Newton’s first law (B) Principle of superposition (C) Principle of transmissibility (D) Lami’s theorem 8. Lami’s theorem is applied when a body is in equilibrium under: (A) Two forces (B) Three coplanar forces (C) Four forces (D) Parallel forces 9. The centroid of a triangle lies at the intersection of: (A) Medians (B) Altitudes (C) Angle bisectors (D) Perpendicular bisectors 10. The center of gravity of a semicircular lamina lies at a distance of: (A) 2r/π (B) 3r/8 (C) 4r/3π (D) r/2 11. The unit of moment of inertia in SI is: (A) kg (B) kg·m² (C) Nm (D) Nm² 12. Parallel axis theorem relates the moment of inertia about: (A) Centroidal axis and parallel axis (B) Perpendicular axis (C) Principal axis (D) Any arbitrary axis 13. Which of the following is a scalar quantity? (A) Force (B) Velocity (C) Work (D) Acceleration 14. Work is defined as: (A) Force × acceleration (B) Force × velocity (C) Force × distance in direction of force (D) Force / distance 15. The SI unit of power is: (A) Joule (B) Newton (C) Watt (D) Calorie 16. The work-energy principle states that: (A) Work = mass × acceleration (B) Work done = change in kinetic energy (C) Work = force × time (D) Work = momentum 17. Newton’s first law is also known as the law of: (A) Action and reaction (B) Inertia (C) Momentum (D) Energy conservation 18. Newton’s second law states: (A) F = ma (B) F = mv (C) F = m/g (D) F = m²a 19. Newton’s third law deals with: (A) Law of inertia (B) Law of acceleration (C) Action and reaction (D) Conservation of energy 20. A projectile follows which type of path? (A) Circular (B) Parabolic (C) Elliptical (D) Straight line 21. The horizontal range of a projectile is maximum at an angle of: (A) 30° (B) 45° (C) 60° (D) 90° 22. In projectile motion, the horizontal velocity component is: (A) Constant (B) Variable (C) Zero (D) Infinite 23. The unit of impulse is: (A) N/m (B) Ns (C) J/s (D) Nm 24. Impulse is equal to: (A) Force × velocity (B) Change in momentum (C) Force × acceleration (D) Energy × time 25. Momentum is given by: (A) F × d (B) m × v (C) m × a (D) v / t 26. Kinetic energy of a body of mass m moving with velocity v is: (A) ½mv (B) mv² (C) ½mv² (D) m²v² 27. Potential energy is: (A) Energy due to motion (B) Energy due to position (C) Heat energy (D) Electrical energy 28. The law of conservation of energy states that: (A) Energy can be created (B) Energy can be destroyed (C) Energy can neither be created nor destroyed (D) Energy is infinite 29. D’Alembert’s principle is applied in: (A) Statics (B) Dynamics (C) Fluid mechanics (D) Thermodynamics 30. The coefficient of friction is defined as: (A) F/N (B) N/F (C) F × N (D) F – N 31. Limiting friction is the: (A) Minimum frictional force (B) Maximum static friction (C) Kinetic friction (D) Rolling friction 32. The angle of repose is equal to: (A) sin⁻¹(μ) (B) cos⁻¹(μ) (C) tan⁻¹(μ) (D) μ/N 33. Which has the least value among all frictions? (A) Static (B) Kinetic (C) Rolling (D) Limiting 34. Centripetal force acts: (A) Away from center (B) Towards center (C) Tangential to path (D) Vertical 35. Centrifugal force is a: (A) Real force (B) Fictitious force (C) Magnetic force (D) Gravitational force 36. The unit of angular velocity is: (A) radian (B) rad/s (C) m/s (D) m/s² 37. Torque is equal to: (A) Force × distance from axis (B) Force / area (C) Mass × acceleration (D) Work / time 38. The SI unit of torque is: (A) Joule (B) Newton (C) Newton-meter (D) Pascal 39. The moment of inertia of a thin rod about its end is: (A) ml²/3 (B) ml²/12 (C) ml²/2 (D) ml² 40. Radius of gyration is defined as: (A) √(I/m) (B) I/m (C) m/I (D) I²/m 41. The unit of angular momentum is: (A) kg·m²/s (B) kg·m/s (C) N·m (D) Joule 42. Law of conservation of angular momentum is applicable when: (A) Torque is zero (B) Force is zero (C) Mass is zero (D) Acceleration is zero 43. Which machine works on the principle of moments? (A) Pulley (B) Screw jack (C) Lever (D) Gear 44. Mechanical advantage is defined as: (A) Load / Effort (B) Effort / Load (C) Load × Effort (D) Load – Effort 45. The efficiency of an ideal machine is: (A) 0% (B) 50% (C) 100% 46. A body moving in a circular path with constant speed has: (A) Uniform velocity (B) Uniform acceleration (C) Constant acceleration towards center (D) No acceleration 47. The unit of frequency is: (A) Hertz (B) Radian (C) Joule (D) Watt 48. Simple harmonic motion is: (A) Uniform linear motion (B) Periodic motion about mean position (C) Random motion (D) Circular motion 49. The time period of a simple pendulum depends on: (A) Mass only (B) Length only (C) Length and gravity (D) Amplitude 50. Resonance occurs when: (A) Forcing frequency = Natural frequency (C) Forcing frequency < Natural frequency (D) No frequency FOUNDATIONAL SUBJECTS (Year 1 – Year 2)Engineering Mechanics (Statics & Dynamics) – MCQsFluid Mechanics – MCQsThermodynamics – MCQsComputer Programming (e.g., MATLAB, Python) – MCQsIntroduction to Engineering – MCQsGeology for Engineers – MCQsTechnical Communication – MCQs CORE PETROLEUM ENGINEERING SUBJECTS (Year 2 – Year 4)Introduction to Petroleum Engineering – MCQsPetroleum Geology – MCQsDrilling Engineering – MCQsReservoir Engineering – MCQsProduction Engineering – MCQsPetroleum Fluid Properties – MCQsWell Logging and Formation Evaluation – MCQsPetroleum Economics – MCQsPetroleum Refining and Processing – MCQs Natural Gas Engineering – MCQsEnhanced Oil Recovery (EOR) – MCQsWell Testing – MCQsReservoir Simulation – MCQsDrilling Fluids and Cementing – MCQsOffshore Petroleum Engineering – MCQsHealth, Safety and Environment (HSE) – MCQsPetroleum Project Management – MCQsCorrosion Engineering – MCQsArtificial Lift Techniques – MCQsPetrophysics – MCQs LABORATORIES & PRACTICALS (Theory-based MCQs can be made from these)Drilling Fluids Lab – MCQsCore Analysis Lab – MCQsReservoir Simulation Lab – MCQsRock and Fluid Properties Lab – MCQsWell Logging Lab – MCQs ELECTIVES (Optional/Advanced)Energy Transition and Sustainability – MCQsUnconventional Resources (Shale, Tight Gas, etc.) – MCQsData Analytics in Petroleum Engineering – MCQsGeographic Information Systems (GIS) – MCQsPetroleum Law and Policy – MCQsPipeline Engineering – MCQsRenewable Energy Integration – MCQs