Small Engines

Question 1

Air cleaner

Answer 1

A device that filters the air that mixed with the fuel in the engine

Question 2

Armature

Answer 2

A part consisting of coils of wire around an iron core that induces an electric current when it is rotated in a magnetic field.

Question 3

Camshaft

Answer 3

The shaft containing lobes or cams which rotate to rise and lower the valves

Question 4

Carburetor

Answer 4

A device for automatically mixing fuel in the proper proportion with air to produce a combustible gas

Question 5

Combustion chamber

Answer 5

The volume of the cylinder above the piston with the piston at the top dead center

Question 6

Connecting rod

Answer 6

A rod that connects the piston to the crankshaft

Question 7

Crankcase

Answer 7

The housing where the crankshaft and many other parts of the engine operate

Question 8

Crankshaft

Answer 8

The main shaft of the engine which, in conjunction with the connecting rod, changes the reciprocating motion of the piston into motion

Question 9

Cylinder

Answer 9

A round hole having some depth bored to receive a piston. Sometimes referred to as a bore or barrel.

Question 10

Cylinder block

Answer 10

The largest single part of an engine the main mass of metal where the cylinders are bored or placed

Question 11

Cylinder head

Answer 11

a detachable portion of an engine fastened securely to the cylinder block that contains all part of the combustion chamber

Question 12

Exhaust valve

Answer 12

A valve that permits the remains of the burned fuel to leave the combustion chamber

Question 13

Fuel tank

Answer 13

The device which contains the fuel to be burned in the engine

Question 14

Flywheel key

Answer 14

A device that holds the flywheel in place

Question 15

Intake valve

Answer 15

A valve that permits the air-fuel mixture to enter the combustion chamber and seals its exit

Question 16

Oil filler plug

Answer 16

The device that closes the opening where the crankcase is filled with oil

Question 17

Piston

Answer 17

A cylindrical part closed at one end that is connected to the crankshaft by the connecting rod

Question 18

Piston head

Answer 18

The part of the piston above the rings

Question 19

Piston rings

Answer 19

Expanding rings placed in the grooves of the piston to create a seal that prevents the passage of fluid or gas past the pistion

Question 20

Spark plug

Answer 20

A devise inserted into the combustion chamber of an engine that contains an insulated control electrode for conducting current

Question 21

Flywheel

Answer 21

A heavy wheel that maintains the speed of the engine while it is running