GVK Emergency Management and Research Institute Fleet Executive Interview Questions, Process, and Tips

2-stroke engines have a power stroke every revolution, while 4-stroke engines have a power stroke every other revolution.

• 2-stroke engines have a simpler design with fewer moving parts

• 4-stroke engines are more fuel efficient and produce less pollution

• 2-stroke engines are commonly used in smaller applications like chainsaws and motorcycles

• 4-stroke engines are more common in larger vehicles like cars and trucks

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

• Diesel engines are more fuel efficient than petrol engines.

• Petrol engines are generally quieter and smoother than diesel engines.

• Diesel engines have higher torque at lower RPMs compared to petrol engines.

• Petrol engines are more common in passenger vehicles while diesel engines are more common in commercial vehicles.

• Examples: Diesel engine -...read more