MDE Unit 1 four strokes

Describe the working principle of the four stroke cycle.
(10)

Study Notes MDE Unit 1 Q1 Quiz 1 MDE Unit 1 Q1 Quiz 2 MDE Unit 1 Q1 Quiz 3 MDE Unit 1 Q1 Quiz 4

Answer

(a) With reference to the combustion of fuel, explain EACH of the following terms:
(i) atomisation; (3)
(ii) penetration; (2)
(iii) compression ratio.(1)
(b) State the factors which influence the terms explained in part (a).(4)

Study Notes MDE Unit 1 Q2,3 Quiz Answer

(a) Sketch a cross section through a four stroke diesel engine piston, labelling the MAIN components.(6)
(b) Describe the transfer of gas force from piston crown through to the crankshaft.(4)

Study Notes Quiz Answer

MDE End of Unit Quiz