Ola Electric Mobility Diploma Trainee Engineer Interview Questions and Answers

Automobile refers to a vehicle designed for transportation, typically powered by an internal combustion engine.

• Automobiles are commonly used for personal transportation, as well as for commercial purposes.

• They come in various types such as cars, trucks, buses, and motorcycles.

• Automobiles have revolutionized transportation and have greatly impacted society and economy.

• Examples of automobile manufacturers include Ford, T

Diesel engines use compression ignition while petrol engines use spark ignition.

• Diesel engines compress air to ignite fuel, while petrol engines use spark plugs

• Diesel engines are more fuel efficient but produce more emissions

• Petrol engines are quieter and smoother than diesel engines

• Diesel engines are commonly used in trucks and heavy machinery, while petrol engines are used in cars and motorcycles

The least count of a Vernier caliper is 0.02 mm and the least count of a micrometer is 0.01 mm.

• Vernier caliper has a least count of 0.02 mm, which means it can measure up to 0.02 mm accuracy.

• Micrometer has a least count of 0.01 mm, allowing for measurements with 0.01 mm precision.

Subtracting 3.45 from 9.23 gives the result of 5.78.

• Subtract the second number from the first number

• 9.23 - 3.45 = 5.78

The types of materials used in engines vary depending on the specific engine type and its components.

• Engines can be made of various materials such as cast iron, aluminum, steel, and alloys.

• Different engine parts may require different materials, for example, pistons are often made of aluminum alloy.

• Engine components like cylinder heads, crankshafts, and connecting rods can be made of cast iron or steel.

• Some engines may ...read more