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Q1— Section header —
1.1List FIVE activities that you must consider when planning an d scheduling the work is done. (5\
1.2Name FIVE points to consider when drawing up a task list. (5\
1.3Name THREE possible incidents that could happen in the workplace or to people if an employee does not perform the lock out procedure. (3\
1.4State at least THREE precautionary measures that should be taken when working with motors and generators to eliminate, isolate or reduce the following hazard Noise level too high. (3\
1.5Explain the THREE functions of health and safety co mmittees. (6\
1.6Name THREE steps that employers can take to prevent injuries and illness in the workplace. (3\ [25]25
Q2— Section header —
2.1Analogue test instruments are very sensitive and need to be calibrated regularly.
2.1.1Explain how y ou would calibrate or zero set an analogue multi meter. (3\
2.1.2What is the parallax error when using an analogue meter? (1\
2.2What do we use the following test instruments for?
2.2.1A tachometer
2.2.2
2.3Name TWO precautions when caring for test instruments. (2\
2.4By means of a sketch, show the connection diagram for a primary wound current transformer. (4\
2.5List THREE steps that need to be followed when install ing and connecting electrical metering and measuring equipment. (3\ [15] (12041013\15
Q3— Section header —
3.1Explain the operation of an automatic kettle. (5\
3.2Draw the circuit diagram of a three heat stove switch. (5\
3.3With regard to the regulat ions extracts from SANS 10142 1:2012, state how bonding is done on a geyser. (3\
3.4What is the difference between the thermal operating principle of kettle and an electric iron? (2\ [15]15
Q4— Section header —
4.1State TWO possible maintenance proce dures that should be carried out on an electric kettle. (2\
4.2Name FOUR safety precautions when working on appliances and power tools. (4\
4.3You are an appliance repair technician. Two faulty appliances are handed in for repairs. What are t he possible causes of the faulty appliances below?
4.3.1Your customer says that her electric iron pilot light does not switch on and that the iron does not get hot. (6\
4.3.2The customer says that when the kettle is switched on the pilot light comes on, but the water does not boil. (2\
4.4Which test instrument would you use to test how good the insulation is between an element and earth? (1\ [15]15
Q5— Section header —
5.1Explain the process of planning an electrical task to successfully install and commission single phase AC motors and switch gear. (6\
5.2Draw the fully labelled circuit diagram of a capacitor start induction run motor. (6\
5.3Name THREE tests that must be done on the motor o nce an electrical motor has been ins talled.
Q6— Section header —
6.1List F OUR types of PPE required when doing SMAW work.
6.2Name THREE major hazards to beware of when welding metals together. (3
6.3Name the TWO main types of electrodes used in the SMAW proce ss. (2\
6.4Explain the following terms as used in SMAW
6.4.1Polarity
6.4.2Amperes
6.4.3Alternating current
6.4.4
6.5Briefly explain how you would clean a welded joint after completing it. 2\ [15] TOTAL 10015