Marks Engineering Works Interview Questions and Answers

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

• 2-stroke engines are simpler and lighter than 4-stroke engines.

• 2-stroke engines have a higher power-to-weight ratio than 4-stroke engines.

• 4-stroke engines are more fuel-efficient and have lower emissions than 2-stroke engines.

• Examples of 2-stroke engines include chainsaws and dirt bikes, while exampl...read more

Hydraulic systems use fluid to transmit power and control movement in machines.

• Hydraulic systems use a pump to pressurize fluid, typically oil or water-glycol, which is then sent through hoses and valves to actuators such as cylinders or motors.

• The pressure of the fluid creates force, which can be used to lift heavy loads or move machinery.

• Hydraulic systems are commonly used in construction equipment, such as excavator...read more

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