Observation

Most of the candidates who attempted this question perform poorly as they could not provide the required responses to the various parts of the question.  The required responses to the various parts of the question are:

(a)  (i)  Safety precaution when checking the specific gravity of electrolyte are:
-           wear rubber apron or wear protective dress;
-           put on rubber hand gloves or put on hand gloves;
-           keep naked flame away from the battery;
-           keep the top of the battery dry;
-           avoid spilling of the electrolyte on the battery;
-           keep the hydrometer vertically when taking the reading.

(ii)        Safety precautions when jacking a vehicle are:
-           ensure vehicle is on a level ground;
-           ensure appropriate jack is used;
-           use a jack in good working condition;
-           use wedges to chock the un-raised tyres;

-           place the jack at appropriate point;

-           support the vehicle with an axle stand at the appropriate point or do not work under a vehicle which is not supported on an axle stand.

(iii)       Safety precautions when working on an overheated water-cooled engine are:
-           switch off the engine;
-           open the bonnet;
-           allow the engine to cool down for a few minutes;
-           turn the cap briefly to release the pressure in the system;
-           allow the engine to cool down properly before refilling the radiator;
-           never pour cold water into the radiator of a hot engine.  

(b)        (i)         Fire extinguisher
(ii)        Oxygen0