Mechanical Engineering

Set 1: Strength of Materials MCQs

• Stress & Strain Basics

• Elastic vs Plastic Behavior

• Hooke’s Law

• Young’s Modulus & Poisson’s Ratio

• Yield Point, UTS & Fracture

• Factor of Safety

• Stress–Strain Curve

• Shear Stress

• Bending Stress

• Torsion

Set 2: Thermodynamics MCQs

• System vs Control Volume

• Zeroth, First & Second Law

• Heat vs Work

• Enthalpy

• Entropy

• Carnot Cycle

• Rankine Cycle

• Otto vs Diesel Cycle

• COP

• Refrigeration Basics

Set 3: Fluid Mechanics MCQs

• Properties of Fluids & Viscosity

• Reynolds Number

• Laminar vs Turbulent Flow

• Bernoulli’s Principle

• Continuity Equation

• Head Loss

• Boundary Layer

• Cavitation

• Pumps vs Turbines

• Manometer

Set 4: Heat Transfer MCQs

• Conduction

• Convection

• Radiation

• Fourier’s Law

• Newton’s Law of Cooling

• Heat Exchangers

• LMTD

• Fins

• Thermal Resistance

• Black Body

Set 5: Manufacturing & Production MCQs

• Casting vs Forging

• Machining Processes

• CNC Basics

• Tolerances

• Surface Finish

• Heat Treatment

• Annealing / Normalizing / Quenching

• Welding vs Brazing vs Soldering

• Jigs & Fixtures

• Lean Manufacturing

Set 6: Machine Design MCQs

• Failure Theories

• Fatigue & Endurance Limit

• Stress Concentration

• Shafts

• Keys & Couplings

• Bearings

• Gears

• Springs

• Fits (Clearance / Interference)

Set 7: Engineering Drawing & GD&T MCQs

• Orthographic Projection

• Isometric View

• First Angle vs Third Angle

• Datum

• Tolerance vs Allowance

• Flatness & Parallelism

• Position Tolerance

• Runout

• MMC & LMC

• Surface Roughness Symbols

Set 8: Metrology & Quality MCQs

• Least Count

• Accuracy vs Precision

• Vernier Caliper

• Micrometer

• Gauge Blocks

• CMM

• Calibration

• Repeatability

• Measurement Error

• ISO Standards Basics

Set 9: Automation & Industry Basics MCQs

• PLC

• Sensors

• Actuators

• Automation Levels

• Industry 4.0

• CNC Automation

• Robotics Basics

• Feedback Systems

• PID Control

• Smart Manufacturing

Set 10: General Mechanical Awareness MCQs

• Torque

• Power

• RPM

• Efficiency

• Reliability

• Maintenance Types

• Safety Factor

• Load Types

• Static vs Dynamic Load

• Failure Modes