Interview Question Bank: Mechanical Engineering

Top 100 Mechanical Engineering Questions for MBA Interviews

• What is Carnot cycle?
• And what is the difference between a car and a mini bus then?
• Did you study Fluid Mechanics?
• Explain the basic principle of refrigeration.
• Explain the refrigeration cycle.

• Does more engine volume also mean more power?
• How is one gear box different from another?
• Tell us about the working of Petrol and Diesel Engine.
• Give one practical application of thermodynamics.
• What is bending moment?
• Diff. between 4 and 2 stroke?
• How are these processes used for combustion in engines?
• How is horsepower different from torque?
• Law of thermodynamics?
• So you are a mechanical engineer. What is the difference between a mini bus and a large bus from an engineering point of view?
• How many kinds of efficiencies are there to define the performance of engines?
• If we open a refrigerator's door, will the temperature of the room drop?
• Which type of transmission is better in terms of fuel efficiency: Manual or Automatic?
• How many types of gears are there?
• What are the three laws of thermodynamics?
• Name a few companies manufacturing bearings.
• What are the forces acting on a ball when it is in the air?
• What are the Bharat III norms?
• What are 'making capacity' and 'breaking capacity'?
• Which are your favorite subjects? (Mechanical Engineering)
• State the laws of thermodynamics and give equations?
• Can you explain to me the swinging motion?
• Have you heard of LHC (Large Hadron collider)?
• Ok so tell me what is an IC Engine and what problems does it face?
• Prove that a one sided infinite turning machine has same power as two sided.
• What are IC engines?

• Tell us about some new technologies in passenger car industry.
• What happens to fuel economy when number of cylinders is increased?
• What are the special features of NANO?
• What do you know about the Nano?

• What have you studied in Kinematics of Mechanics?
• What does 2.4 l written on a car indicates?
• What is a warm gear and can we use it in steering?
• What is a V-Tec engine?
• In a heat exchanger, if I have given pressure on tube side, can I perform hydro test of shell side simultaneously? Why?
• What is a synchromesh gear?
• What is the difference between a blower and a fan?
• What is Horse Power and how is it different from Torque?
• What is hot rolling and cold rolling?
• What is venturimeter and orifice plate?
• What is the difference between Reva and Hybrid Cars?
• What is the difference between precision & calibration?
• What is the difference between carburetor and fuel injector?
• What is the difference between gear hobbling and gear shaping?
• What is the biggest cost in manufacturing a car?
• What is the BHP rating of the Yamaha superbike R1?
• What is the difference between adiabatic and isothermic reactions?
• What is the study of behavior of materials at sub 0 temperature called?
• What is Total Internal Reflection?
• What is a Turing machine?
• What will happen if diesel is used in a petrol engine?
• Which of the two has more power: A petrol or a diesel car of the same volume?
• Why 2-stroke is more harmful to the atmosphere than the 4 stroke?
• Why did you take up a job in IT after pursuing mechanical engineering?
• What is rolling?
• You are a mechanical engineer and you are in analytics. Does your engineering help you in your job?
• You are the only girl in Mechanical Engineering branch, how did you manage?
• Explain the effect on the basis of which the cricket ball swings.
• What is difference between rack and pinion?
• What is K-series engine?
• What is MPFI?
• Explain bending moment.
• Differentiate between a shaper machine and a planner machine
• Explain the importance of Thermodynamics in the field of Mechanical Engineering?
• What is the nomenclature of a 6203-ZZ bearing?
• Give the full form of SCADA, DCS and HMI.
• How does the failing of Knuckle pin occur?
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• What is the heat rate of a power plant?
• Which of these have a higher efficiency: Diesel engines or Petrol engines?
• What are the points in the stress/strain curve for steel?
• What is ductile-brittle transition temperature?
• Differentiate between Relay and Conductor?
• Differentiate between shaper and planner?
• What is the immediate superclass of Menu?
• State the laws of conservation of energy.
• What is a gear box and what are its applications?
• What is Carnot engine?
• Which formula forms a link between thermodynamics and electrochemistry?
• How will you calculate the tonnage of Mechanical Press?
• What is maximum continuous rating?
• What is the difference between Critical speed and Whirling speed?
• What is plant load factor?
• Which of the two is harder: cast iron or mild steel?
• How would you find the amount of natural gas required to produce 1 KWhr of energy?
• What is annealing?
• How do you measure temperature in a web bulb thermometer?
• What is the purpose of governor in automobile?
• What is the function of EGR value?