1) Which statement best describes an internal combustion engine? a) It burns fuel outside the engine to produce steam for motion b) It burns fuel inside the engine cylinder to produce power c) It uses only electricity for power d) It operates only with compressed air 2) In a petrol engine, the air-fuel mixture is usually ignited by a) Fuel injector b) Glow plug c) Spark plug  d) Carburettor 3) In the diagram of a four-stroke engine, which stroke involves the fuel-air mixture being compressed? a) First stroke b) Second stroke c) Third stroke d) Fourth stroke 4) The main role of the piston in an internal combustion engine is to.. a) Store fuel b) Transfer heat to the cylinder walls c) Convert expanding gas pressure into mechanical motion  d) Control exhaust gases 5) Which part in the following flow chart delivers rotary motion to the wheels? Piston → Connecting Rod → Crankshaft → Wheels a) Piston b) Connecting rod c) Cylinder head d) Crankshaft ✅ 6) Diesel engines do not require spark plugs because.. a) Diesel burns without air b) The fuel self-ignites at high compression temperatures ✅ c) They run on steam power d) Diesel is electrically charged 7) Why do diesel engines typically have higher thermal efficiency than petrol engines? a) Lower compression ratio b) Use of carburettor c) Spark ignition d) Higher compression ratio ✅ 8) In the diagram of a diesel engine cylinder, fuel is injected.. a) During the intake stroke b) Near the end of the compression stroke ✅ c) At the start of the exhaust stroke d) Throughout the power stroke 9) Which part of the internal combustion engine converts linear piston motion into rotary motion? a) Crankshaft b) Carburettor c) Cylinder block d) Camshaft 10) The main difference between petrol and diesel engine ignition is.. a) Petrol engines use spark ignition, diesel engines use compression ignition ✅ b) Petrol engines use diesel fuel c) Diesel engines use petrol d) Diesel engines have higher fuel volatility

Explain what an internal combustion engine is

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?