Technical Subjects as Basics of Electrical/Mechanical/Electronics Engineering

1. 1. The SI unit of electrical resistance is:

2. 2. Which law states that “current is directly proportional to voltage and inversely proportional to resistance”?

3. 3. In a DC circuit, the power (P) is calculated by:

4. 4. The function of a fuse in an electrical circuit is to:

5. 5. Which type of motor is commonly used in ceiling fans?

6. 6. The colour coding of the live wire in a 3-pin plug is:

7. 7. The working principle of a transformer is based on:

8. 8. A multimeter can measure:

9. 9. The power factor of a purely resistive circuit is:

10. 10. Which material is used as a semiconductor in diodes and transistors?

11. 11. The SI unit of force is:

12. 12. The first law of thermodynamics is also known as:

13. 13. Which gear is used to connect two parallel shafts?

14. 14. The function of a carburetor in an IC engine is to:

15. 15. The stress-strain curve of a ductile material includes:

16. 16. The purpose of a radiator in an automobile is to:

17. 17. Which bearing is used to support axial loads?

18. 18. The efficiency of a Carnot engine depends on:

19. 19. The property of a fluid that resists its flow is called:

20. 20. Which welding process uses a consumable electrode?

21. 21. The most commonly used material for making LEDs is:

22. 22. In a transistor, the middle region is called:

23. 23. The function of a rectifier is to:

24. 24. Which logic gate gives an output of 1 only when all inputs are 1?

25. 25. The unit of frequency is:

26. 26. A capacitor stores energy in the form of:

27. 27. Which component is used to block DC but allow AC to pass?

28. 28. In a PN junction diode, the region where no free charge carriers exist is called:

29. 29. The gain of an amplifier is measured in:

30. 30. Which instrument is used to measure electric current?