Module 3 New

Module 3 New quiz contains 52 question based on the syllabus for module 3 examination for B1.1, B1.3 and B2 category.

The time limit for the quiz is 65 min.

The number of attempts allowed are unlimited.

All the best.

Name
1. 
What is the duration of one cycle known as

2. 
Which among the following equations is incorrect?

3. 
If an EMF (Electromotive Force) of 120V is applied to a circuit of three equal value resistors in series and a current of 2A flows, the value of total resistance is:

4. 
A circuit has a resistance of 2 ohms connected in series with a capacitance of 6F. Calculate the discharging time constant.

5. 
Of the following phases, which two are 180 degrees apart?

6. 
What is the power factor of a series RLC circuit under resonance condition?

7. 
When comparing 2 alternating current waveforms, one is at its maximum value while the other is at zero. The two waveforms are:

8. 

9. 
A component is required to give a negative temperature coefficient value. It is likely to be made of:

10. 
The negative plate of a discharged NiCad battery would be coated with?

11. 
If 2V is supplied to a 3F capacitor, calculate the charge stored in the capacitor

12. 
A synchronous ac motor is most useful for applications requiring:

13. 
In a series circuit, which of the parameters remain constant across all circuit elements such as resistor, capacitor and inductor etc

14. 
Connecting two 28volt 60 Amp/Hour batteries in parallel will produce:

15. 
The commutator segments of a generator will:

16. 
High torque low speed is given by:

17. 
In the diagram the resultant current is:

18. 
Friction can induce electrostatic charge of very:

19. 
Air has a dielectric constant of

20. 
What is the effective value of current?

21. 
Wave and Lap windings are designed to give:

22. 
N capacitors having capacitance C are connected in series, calculate the equivalent capacitance.

23. 
An alternating current circuit contains resistance and no reactance the phase angle between voltage and current will be:

24. 
Ohms Law states if the temperature stays constant the:

25. 
In accordance with Faraday’s Laws, the three prime factors affecting generated emf are:

26. 
When the supply frequency increases, what happens to the capacitive reactance in the circuit?

27. 
In an induction motor:

28. 
Battery cells are connected in parallel to:

29. 
The power factor of an alternating current circuit is:

30. 
Capacitor blocks__________ after long time.

31. 
A coil induces 200 mV when the current changes at the rate of 1 amp per second. The inductance L is:

32. 
What is the total capacitance when two capacitors C1 and C2 are connected in series?

33. 
A transformer has 100V applied to the primary. If the ratio is 1:3 and the secondary current is 6A, the primary current will be:

34. 
If four Identical cells of 2.2 volt and 15 amp/hour (A/H) capacity are connected in series the voltage and A/H will be:

35. 
The aircraft power supply frequency is 400 hertz. The period is:

36. 
The reciprocal of Resistance is:

37. 
Inductance is _____________________ to number of turns in the coil.

38. 
Coercive force is the:

39. 
What is the maximum number of Electrons in the N shell of an Atom?

40. 
The generator characteristic of:

41. 
A 2uF capacitor has 50 volts applied. The stored charge is:

42. 
An alternating current voltage waveform has a root mean square value of 70.7 volts the peak to peak voltage is:

43. 
In order to produce a substantial voltage and current from photovoltaic cells they should be connected in:

44. 
The combination of two 0.02uF 500V capacitors in parallel has a capacitance and working voltage rating of:

45. 
The state of charge of a lead/acid battery may be determined from the electrolyte:

46. 
When a changing pressure is applied to opposite faces of a crystal:

47. 
The best shield for a steady magnetic field is a:

48. 
Assuming the voltage stays constant. Deceasing the distance between the plates of a capacitor will:

49. 
A 10 centimeter rod of specific resistance 0.5 and a cross sectional area of 1 centimeter, has a resistive value of:

50. 
The filament of a lamp measures 2.5ohm when cold. With 120 volts applied across the filament, the lamp dissipates 60 Watts. What is the hot resistance of the lamp?

51. 
An AC generator connected in star with a phase voltage of 115v will have a line voltage of:

52. 
The voltage waveform in an ideal inductance would be: