Diesel Engines

Question 1

Engine block

Answer 1

Holds and supports all of the engine components

Question 2

Cylinder/cylinder block

Answer 2

The cylinder guides the piston whilst also providing protection to the engine block

Question 3

Cylinder head

Answer 3

Closes off the cylinder, also forms the combustion chamber

Question 4

Head gasket

Answer 4

Makes an air tight seal so water, oil and gases don’t leak out

Question 5

Sump

Answer 5

Acts as a reservoir

Question 6

Piston

Answer 6

Cylindrical metallic component that moves up and down

Question 7

Piston rings

Answer 7

Provide a sliding seal between the outer edge of the piston, 2 compression, 1 oil comtrol

Question 8

Connecting rod

Answer 8

Connects the piston to the crank shaft

Question 9

Gudgeon pin

Answer 9

Connects the piston to the connecting rod

Question 10

Crank shaft

Answer 10

Changes the reciprocating motion of the piston

Question 11

Fly wheel

Answer 11

Promotes smooth running during the non power strokes

Question 12

Cam shaft

Answer 12

Controls the opening and closing of the inlet and exhaust valves

Question 13

Valves

Answer 13

Opens and closes to let fresh air in and exhaust out the combusted sooty air

Question 14

Push rods

Answer 14

Transfer motion from the cam shaft to the rocker arms, opening the valves

Question 15

Rocker arm

Answer 15

A pivoting arm that transfers motion from the pushrod to activate the valves

Question 16

Fuel injector

Answer 16

Injects measures amounts of high pressures fuel, atomised into the cylinder