Question: Which part is not common between the petrol and diesel engine Mcq?

Which part is not common between the petrol and diesel engine?


SI engine (Petrol Engine) CI engine (Diesel Engine)
Engine weight is less. Engine weight is more.
Small in size therefore less space occupied Large in size therefore more space occupied
It emits carbon monoxide. (CO) It emits carbon dioxide. (CO2)

What is the main difference between petrol engine and diesel engine?

The main difference between petrol engine and diesel engine is that in petrol engine fuel and air both are compressed with a spark while in diesel engine only air is compressed, and fuel is injected in compressed air. Petrol engine and diesel engine work on otto cycle and diesel cycle respectively.

What is not a part of diesel engine?

A penstock is not a part of diesel engine power plant.

Which is not a part petrol engine?

In a diesel engine, only air is compressed (and therefore heated), and the fuel is injected into very hot air at the end of the compression stroke, and self-ignites.

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Which is better petrol or diesel car?

While petrol cars give good initial power, diesel cars provide higher performance in higher gears. On the other hand, diesel cars provide a higher fuel efficiency in comparison with petrol cars. … Similar to the base price of cars, a diesel car demands a higher maintenance cost than a traditional petrol variant.

What is the advantage of diesel engine over petrol engine?

Diesels are more fuel efficient than petrol engines and emit less CO2, which makes them better for the environment. Diesels produce considerably more torque (pulling power) than their petrol counterparts, which makes them good engines for towing or carrying heavy loads – ie: seven occupants – on a regular basis.

How do you stop engine knocking?

How to Fix Engine Knocking

  1. The first step in trying to fix engine knocking is to upgrade to gasoline with a higher octane rating. …
  2. Give your engine a tune-up that includes new spark plugs and wires.
  3. Regularly change the oil in your vehicle and monitor for a low oil level.

Are diesel cars noisier than petrol?

Yes, diesel engines are generally noisier than other fuel-types due to the way they work, creating sudden increases in pressure. But modern diesel engines work by injecting the fuel in a series of smaller pulses, which dampens the amount of rattle you’ll hear, making them much quieter than they used to be.

What are 4 major components of a diesel engine?

What are the major components in a diesel engine?

  • The engines fuel System. The fuel system includes the fuel injection pump, the lift pump, the injectors and all the fuel pipes. …
  • The engines lubrication system / oil system. …
  • The engines cooling system. …
  • The engines exhaust system. …
  • The engines Turbo charger.
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What is the main components of diesel engine?

The components of a diesel engine include pumps, mechanical pumps, high pressure pumps and common rail technology.

What are the 3 main engine systems?

Main Engine Systems

  • Lubricating Oil System. …
  • Main Bearing Oil System. …
  • Crosshead Bearing Oil System. …
  • Cylinder Lubrication System. …
  • Cooling Water System. …
  • Cooling Water System Description. …
  • Fuel Oil System. …
  • Circulation System.