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Electronics Mechanic Practice Test: SMPS And Converters
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Electronics Mechanic Practice Test: SMPS And Converters
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25 Questions

1. If energy is taken from the AC side of the inverter and sends it back into the DC side, then it is known as
2. Voltage cut –off system is incorporated in –
3. What is the frequency range of switching circuit in SMPS?
4. Which power device is used for switching purpose in computer SMPS?
5. Step-down Chopper is used to -
6. What is the function of opto-coupler in SMPS circuit?
7. When rotary inverter acts as an inverter then it works a s_______ on DC side.
8. The full form SPDT?
9. Which type of transformer is used in the DC to AC converter?
10. SMPS are based on the _________ principle.
11. What is the efficiency of linear power supply?
12. What is the full form of CVT?
13. Which type of transformer is used in a Servo Voltage Stabilizer?
14. Which IC is used in a DC to DC Converter?
15. Which type of Power supply unit will you prefer to operate a microprocessor controlled appliance?
16. A transformer used in small size because of operation with _____.
17. Type of voltage stabilizer in which voltage is regulated automatically —
18. _______and________are needed to reduce the disruptive interference in SMPS.
19. Which type of relay is used in a stabilizer?
20. What is the purpose of the Metal Oxide Varistor connected across the AC supply terminals of SMPS?
21. If the output voltage of a voltage stabilizer is zero then probable faults is –
22. Which of the following voltage stabilizer uses a Servo Motor to change the tapping of output voltage?
23. The device which is used to covert DC power into AC power at desirable output voltage is called.
24. What is the working principle of constant voltage transformer (CVT)?
25. What is the switching frequency of SMPS used in computer?

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