Electric Drives Mock Test 2

10%

Question 1 of 10

1. Calculate the active power in a .56 F capacitor.

0 W

15.4 W

124.5 W

37.8 W

Question 1 of 10

Question 2 of 10

2. Calculate the active power in a 17 ω resistor with 18 A current flowing through it.

5554 W

5558 W

5104 W

5508 W

Question 2 of 10

Question 3 of 10

3. The slope of the V-I curve is 19°. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line.

.3443 Ω

.3254 Ω

.3543 Ω

.3608 Ω

Question 3 of 10

Question 4 of 10

4. Calculate the active power in a 7481 H inductor.

4654 W

0 W

4651 W

1562 W

Question 4 of 10

Question 5 of 10

5. The slope of the V-I curve is 31°. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line.

0.600 Ω

0.543 Ω

0.648 Ω

0.607 Ω

Question 5 of 10

Question 6 of 10

6. SCR is uni-directional in nature.

False

True

Question 6 of 10

Question 7 of 10

7. The unit of Magnetic flux density is Tesla.

True

False

Question 7 of 10

Question 8 of 10

8. Which of the following core has linear characteristics?

CRGO core

Iron core

Air core

Steel core

Question 8 of 10

Question 9 of 10

9. Which one of the following methods would give a higher than the actual value of regulation of the alternator.

ZPF method

ASA method

MMF method

EMF method

Question 9 of 10

Question 10 of 10

10. Calculate the moment of inertia of the disc having a mass of 54 kg and diameter of 91 cm.

5.589 kgm²

5.487 kgm²

5.512 kgm²

5.018 kgm²

Question 10 of 10