Evaluation Engineer Interview Questions and Answers for Freshers

2 stroke and 4 stroke are types of internal combustion engines used in vehicles and machinery.

• 2 stroke engines complete a power cycle in 2 strokes of the piston, while 4 stroke engines complete it in 4 strokes.

• 2 stroke engines are simpler and lighter, but less fuel efficient and more polluting than 4 stroke engines.

• Examples of 2 stroke engines include chainsaws, dirt bikes, and some boats, while examples of 4 stroke engines include cars, trucks, and generators.

Engine mounting refers to the system that connects the engine to the vehicle's frame. Smoke type refers to the color and consistency of smoke emitted from the exhaust.

• Engine mounting is important for reducing engine vibration and noise.

• There are different types of engine mounts, including rubber mounts and hydraulic mounts.

• Smoke type can indicate engine problems, such as black smoke indicating fuel problems and white smoke indicating coolant problems.