The layer(s) of the skin that is/are affected by a third-degree burn would be …
A - NSC Electrical Technology Power Systems - Question 1 - 2022 - Paper 1
Question 1
The layer(s) of the skin that is/are affected by a third-degree burn would be …
A. The outer layer.
B. The second layer.
C. All layers of the skin.
D. None of the ab... show full transcript
Worked Solution & Example Answer:The layer(s) of the skin that is/are affected by a third-degree burn would be …
A - NSC Electrical Technology Power Systems - Question 1 - 2022 - Paper 1
Step 1
The layer(s) of the skin that is/are affected by a third-degree burn would be …
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Answer
D. None of the above-mentioned
Step 2
The power factor in an RLC series circuit will be lagging if VL …
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Answer
A. Is greater than VC
Step 3
A circuit has a resistance of R ohm, an inductance of L henry and a capacitance of C farad connected in series. The power factor of the circuit will be unity (1) when …
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Answer
A. XL is less than XC
Step 4
Which one of the following conditions exists in a resonant parallel RLC circuit?
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Answer
B. The power factor is maximum
Step 5
Name the type of transformer used immediately after generation with reference to generation and transmission of electricity:
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Answer
D. Single-phase transformer
Step 6
After adding power factor correcting capacitors in parallel with a load, the power factor increased from 0.6 to 0.9. With the load unchanged, the current drawn from the supply will …
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Answer
A. Increase
Step 7
Power factor is the …
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Answer
D. Ratio of real power to apparent power
Step 8
A cooling method used for a dry type transformer is …
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Answer
A. Air forced
Step 9
The transfer of energy from the primary winding to the secondary winding in transformers happens through …
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Answer
B. Mutual induction
Step 10
The minimum value allowed for an insulation resistance test between windings is …
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Answer
D. 1 MΩ
Step 11
The purpose of a no-volt relay is to …
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Answer
A. Allow a motor to automatically start after a power failure is restored
Step 12
The start button used in a motor control circuit is …
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Answer
A. Normally open
Step 13
… is the machine language that is installed on a computer or written into the control program of a PLC.
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