Mechanical Engineering MCQ

1. Which concept explains the process by which the nucleus of an atom splits into smaller parts, releasing a large amount of energy?a) Nuclear fusionb) … Read more

1. What are the basic principles of sitting and station design? a) Maximizing noise pollutionb) Minimizing accessibility for maintenancec) Optimizing efficiency and safetyd) Ignoring environmental … Read more

1. Which renewable energy source directly converts sunlight into electric power? A) Wind energyB) Geothermal energyC) Solar energyD) Tidal energy Answer: C) Solar energy Explanation: … Read more

1. Which technology is primarily used for micro fabrication processes?a) Lithographyb) Castingc) Weldingd) Forging Answer: a) LithographyExplanation: Lithography is a key micro fabrication process involving … Read more

1. What is the fundamental difference between subtractive and additive manufacturing processes? a) Subtractive manufacturing builds objects layer by layer, while additive manufacturing removes material … Read more

1. What is the primary mechanism of metal removal in Electric Discharge Machining (EDM)? a) Abrasive wearb) Meltingc) Chemical dissolutiond) Mechanical chipping Answer: b) Melting … Read more

1. Which process utilizes electrolysis to remove metal from a workpiece? a) Chemical machiningb) Electrochemical deburringc) Electrochemical grindingd) Electrochemical honing Answer: c) Electrochemical grindingExplanation: Electrochemical … Read more

1. Which of the following mechanical processes is primarily used for cutting hard and brittle materials such as ceramics and glass? a) Ultrasonic machiningb) Abrasive … Read more

1. What is thermal radiation? a) Radiation emitted by a substance due to its temperatureb) Conduction of heat through a solid materialc) Heat transfer through … Read more

1. Which type of heat exchanger configuration offers the highest temperature difference between the hot and cold fluids? a) Parallel flowb) Counter flowc) Cross flowd) … Read more