1.1 The following can be considered as dangerous practices:
A - NSC Electrical Technology Power Systems - Question 1 - 2023 - Paper 1
Question 1
1.1 The following can be considered as dangerous practices:
A. The use (or misuse) of power tools
B. The incorrect use and handling of hand tools
C. The etching of p... show full transcript
Worked Solution & Example Answer:1.1 The following can be considered as dangerous practices:
A - NSC Electrical Technology Power Systems - Question 1 - 2023 - Paper 1
Step 1
The following can be considered as dangerous practices:
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Answer
The correct answer is D. All the above-mentioned. This encompasses the misuse of power tools, incorrect use and handling of hand tools, and the etching of printed circuit boards, all of which are dangerous practices in a workshop or electrical environment.
Step 2
... is the reference quantity in a parallel RLC circuit.
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Answer
The correct answer is D. Voltage. In a parallel RLC circuit, voltage is the reference quantity that is the same across all components.
Step 3
The reactance of a ... must be equal for a circuit to resonate.
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Answer
The correct answer is C. Capacitor and an inductor. For a circuit to resonate, the reactance of the capacitor must equal the reactance of the inductor.
Step 4
The following condition is common to both series and parallel resonance:
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Answer
The correct answer is A. The impedance is minimum. This condition is true for resonance in both series and parallel circuits.
Step 5
The voltage generated at power stations in South Africa is stepped up to ... for transmission over long distances.
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Answer
The correct answer is D. 220 kV. This is the standard voltage used for high-voltage transmission to minimize losses over long distances.
Step 6
establish how much electricity must be generated throughout South Africa.
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Answer
The correct answer is A. Municipalities. Establishing how much electricity must be generated typically starts with the municipalities, as they are responsible for local supply and demand assessments.
