Internal Combustion Engine

Question 1

Engine that burns fuel and air inside the combustion chamber to produce power.

Answer 1

Internal Combustion Engine

Question 2

Diameter of the engine cylinder.

Answer 2

Bore

Question 3

Distance traveled by the piston from top dead center to bottom dead center.

Answer 3

Stroke

Question 4

Uppermost position of the piston in the cylinder.

Answer 4

Top Dead Center (TDC)

Question 5

Lowest position of the piston in the cylinder.

Answer 5

Bottom Dead Center (BDC)

Question 6

Volume displaced by the piston in one stroke.

Answer 6

Piston Displacement

Question 7

Volume of the cylinder when piston is at top dead center.

Answer 7

Clearance Volume

Question 8

Ratio of total cylinder volume to clearance volume.

Answer 8

Compression Ratio

Question 9

Average pressure acting on the piston during power stroke.

Answer 9

Mean Effective Pressure

Question 10

One complete rotation of the crankshaft.

Answer 10

Revolution

Question 11

Series of events completed in an engine and repeated.

Answer 11

Engine Cycle

Question 12

Power produced inside the combustion chamber.

Answer 12

Indicated Horsepower

Question 13

Usable power available at the engine crankshaft.

Answer 13

Brake Horsepower

Question 14

Power lost due to friction in engine parts.

Answer 14

Friction Horsepower

Question 15

Engine power rating specified by manufacturer.

Answer 15

Rated Horsepower

Question 16

Ratio of brake horsepower to indicated horsepower.

Answer 16

Mechanical Efficiency

Question 17

Ratio of brake power output to fuel energy input.

Answer 17

Thermal Efficiency

Question 18

Fuel consumption rate per unit brake horsepower.

Answer 18

Specific Fuel Consumption

Question 19

Minimum engine speed without load.

Answer 19

Idle Speed

Question 20

Throttle opening at best engine performance.

Answer 20

Optimum Throttle Opening

Question 21

Engine using spark plug to ignite fuel.

Answer 21

Spark-Ignition Engine

Question 22

Engine igniting fuel by high compression.

Answer 22

Compression-Ignition Engine

Question 23

Engine that produces power in one crankshaft revolution.

Answer 23

Two-Stroke Engine

Question 24

Engine that produces power in two crankshaft revolutions.

Answer 24

Four-Stroke Engine

Question 25

Engine with one piston and one cylinder.

Answer 25

Single-Cylinder Engine

Question 26

Engine with more than one cylinder.

Answer 26

Multi-Cylinder Engine

Question 27

Main engine part enclosing piston movement.

Answer 27

Cylinder Block

Question 28

Component that seals the top of the cylinder.

Answer 28

Cylinder Head

Question 29

Movable component transmitting combustion force.

Answer 29

Piston

Question 30

Shaft converting piston motion to rotary motion.

Answer 30

Crankshaft

Question 31

Rod connecting piston to crankshaft.

Answer 31

Connecting Rod

Question 32

Device storing rotational energy for smooth operation.

Answer 32

Flywheel

Question 33

System supplying fuel to the engine.

Answer 33

Fuel System

Question 34

System responsible for igniting the fuel.

Answer 34

Ignition System

Question 35

System that removes excess heat from engine.

Answer 35

Cooling System

Question 36

Sequence in which engine cylinders fire.

Answer 36

Firing Order

Question 37

Pistons that move together but perform different strokes.

Answer 37

Running Mates

Question 38

Method of delivering fuel directly into combustion chamber.

Answer 38

Fuel Injection

Question 39

Device using exhaust gas to increase engine power.

Answer 39

Turbocharger

Question 40

Device cooling compressed intake air.

Answer 40

Intercooler

Question 41

Gas mixture used as alternative fuel for ICE.

Answer 41

Producer Gas

Question 42

Renewable gas fuel composed mainly of methane and carbon dioxide.

Answer 42

Biogas

Question 43

Alcohol fuel blended with gasoline for engines.

Answer 43

Bioethanol