Quiz

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Year 2024

September
Week # 4 Quiz 2

Q1. A six-pulse cycloconverter is fed from 415 V three-phase supply with reactance of 0.3 Ω/phase. The output load voltage for firing angle of 45 ˚ and load current of 40 A is given by

Q2. In DC chopper

Q3. Which one of the following does not cause permanent damage of an SCR

Q4. An S.C. R. is

Q5. The SCR can be termed as

Q6. Which of the following device should be used as a switch in a low power switched mode power supply?

Q7. The main advantage of sinusoidal PWM technique applied to invertors is:

Q8. A thermistor is a

Q9. In PMMC instruments the scale is

Q10. The most efficient form of damping employed in electrical instruments is