Electrical Engineering Quiz 16

1 / 50

**Low tension cables are generally used up to___________? **

2 / 50

**The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other ? **

3 / 50

**Annual operating expenditure of a power plant consists of_________? **

4 / 50

**Which of the following is an advantage of electric traction over other methods of traction ? **

5 / 50

**Superconductors are becoming popular for use in________________? **

6 / 50

**For faithful amplification by a transistor circuit, the value of VCE should______________for silicon transistor? **

7 / 50

**The power developed by a synchronous motor will be maximum when the load angle is____________? **

8 / 50

**The capacitance of a capacitor is not affected by____________? **

9 / 50

**In D.C. generators, lap winding is used for______________? **

10 / 50

**The law that the induced e.m.f. and current always oppose the cause producing them is due to____________? **

11 / 50

**IC = [a / (1 ? a )] IB + [___________ / (1 ? a )? **

12 / 50

**Differentially compound D.C. motors can find applications requiring___________? **

13 / 50

**In alkaline cell the electrolyte is_____________? **

14 / 50

**The radio wave picked up by the receiving antenna is amplified about _________________ times to have reasonable sound output? **

15 / 50

**The power consumed in a circuit element will be least when the phase difference between the current and voltage is________? **

16 / 50

**The two important advantages of a JFET are _________________? **

17 / 50

**The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be____________? **

18 / 50

**The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as___________? **

19 / 50

**In case of three core flexible cable the colour of the neutral is_________? **

20 / 50

**In A.C. series motor compensating winding is employed to_____________? **

21 / 50

**To prevent the generation of static charges on rubber or flat leather__________? **

22 / 50

**The kinetic energy of a bounded electron is______________? **

23 / 50

**For good stabilsation in voltage divider bias, the current I1 flowing through R1 and R2 should be equal to or greater than_____________? **

24 / 50

**Snubber circuit is used with SCR_________________? **

25 / 50

**If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by______________? **

26 / 50

**In constant frequency PWM, at perturbation the amplitude of the sinusoidal component is a___________? **

27 / 50

**Which of the following load is responsible for lower power factor of supply system__________? **

28 / 50

**Which of the following is an advantage of stranded conductor over equivalent single conductor ? **

29 / 50

**In a highly capacitive circuit the__________? **

30 / 50

**The active material of the positive plates of silver-zinc batteries is_________? **

31 / 50

**Negative voltage regulation is indicative that the load is___________? **

32 / 50

**The condition for maximum power in case of D.C. motor is______________? **

33 / 50

**Starters are used with D.C. motors because______________? **

34 / 50

**A gain of 1,000,000 times in power is expressed by_____________? **

35 / 50

**In a two value capacitor motor, the capacitor used for running purposes is_______________? **

36 / 50

**In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of__________? **

37 / 50

**The uniform magnetic field is______________? **

38 / 50

**Which of the following is the disadvantage due to low power factor? **

39 / 50

**The no-load current drawn by transformer is usually what per cent of the full-load current ? **

40 / 50

**Shunt capacitance is neglected while considering______________? **

41 / 50

**The horizontal intercept of dc load line is the same as ideal____________? **

42 / 50

**The parallel combination of a 470 ? resistor and a 680 ? resistor is in series with the parallel combination of four 2 k? resistors. The total resistance is___________? **

43 / 50

**The overall efficiency of steam locomotive is around_____________? **

44 / 50

**Addition of pentavalent impurity to a semiconductor creates many________________? **

45 / 50

**In a loss-free R-L-C circuit the transient current is__________? **

46 / 50

**The capacity of a lead-acid cell is measured in_____________? **

47 / 50

**If holding current of a thyristor is 2 mA then latching current should be_____? **

48 / 50

**When the modulating signal controls the frequency of the carrier, we get______________? **

49 / 50

**In a distribution system, in order to improve power factor, the synchronous capacitors are installed__________? **

50 / 50

**With increase in firing angle, **

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