cameroon gce 2023 intermediate level Electronic Systems 2
cameroon gce 2023 intermediate level Electronic Systems 2
THEME: MONITORING THE CHANGE IN VISCOSITY OF OIL IN A VEHICLE
The device uses electronics to monitor the change in viscosity of oil in a vehicle. Generally the changes
the oil is observed after the car must have covered a given number of kilometres. The user observed thatthlT^ °f
longer operates as required. He then seeks your expertise to eliminate the problem. This equipment whoseT
diagram is represented in figure I on page 7 contains amongst other electronic functions those
circuit,
no
circuit
it counting, interfacing . and display circuits. In your capacity as a qualified electronic technician °f power , you supply have , timing been
charged to carry out repairs on this equipment. Extract of some technical documents, represented on page 6, have
equally been placed at your disposal to facilitate your task. Carefully exploit these documents and answer the questions
in the following two sections.
