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Diesel Mechanic Practice Test: Basic Electricity
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Diesel Mechanic Practice Test: Basic Electricity
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25 Questions

1. Which type of the circuit has an infinite resistance?
2. How the value of capacitance can be decreased?
3. What is the unit of resistivity?
4. Calculate the electrical energy in unit consumed by 500W lamp for 5 hours.
5. What is the S.I unit of specific resistance?
6. What is the use of Ohmmeter in an electrical circuit?
7. Electric bulb which material is used?
8. What is the name of the circuit?
9. Which law states that in closed electric circuit, the applied voltage is equal to the sum of the voltage drops?
10. What electrical quantities are related in Ohm’s law?
11. What is the unit for Quantity of electricity?
12. What is the unit of capacitance?
13. Reciprocal of specific resistance?
14. Which device used to step up the voltage in the spark ignitionsystem?
15. Which formula is used to calculate the power of a DC circuit?
16. What is the effect of the electrolytic capacitor, if open circuit fault occurs?
17. Which is the Ohm’s Mathematical Expression?
18. What is the reason for fuse blown out in an electricalcircuit?
19. What is the net resistance ‘R’ if ‘R1’ and ‘R2’ resistance are connected inseries?
20. Which is the semiconductor material?
21. Which cable is the thickest used in the automobilewiring?
22. Which is the correct expression of capacitance C if the electric charge is Q and the voltage is V?
23. What is the voltage drop in resistor ‘R2’ in the series circuit?
24. Which is the application of series circuit?
25. What does number 25 in the cable size (25/0.012)indicate?

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