2. Entomology is the science that studies

3. Eritrea, which became the 182nd member of the UN in 1993, is in the continent of

4. Garampani sanctuary i s located at

5. For which of the following disciplines is Nobel Prize awarded?

6. In the following number series, one of the numbers does not fit into the series. Find the wrong number. 2, 5, 11, 27, 58, 121, 248

7. Pointing to photography of a boy suresh said, “He is the son of the only son of my mother. “How is Suresh related to that boy?

8. If FRIEND is coded as HUMJTK, how can CANDLE be written in that code?

9. If 30% of a certain number is 12.6, what is the number?

1. 24

2. 42

3. 23

4. 32

10. P, Q, R, S and T are five speakers who have to speak on a particular day, not necessarily in the same order. R is neither the first nor the last speaker. There are three speakers after S and three speakers ahead of T. If P speaks after Q, then who is the last speaker to speak?

11. In double delta transformation, a double delta refers to the case where there are two delta transformations in

12. In a single phase, full wave bridge circuit and in three phase, delta full wave bridge circuit, the ripple voltage frequency is always

a. Twice the line frequency, six times the line frequency

b. Both will be twice the line frequency

c. Both will be six times the lines frequency

d. None of these

13. With a bank of two single phase transformers connected in V - V fashion supplying a balanced three phase load with Cosφ as power factor. The power factor of the two transformers is given by

14. The most commonly used connections for power systems as a step - up and step - down transformers are

15. In case of delta-star connection of three phase transformer, secondary line voltage with respect of primary line voltage is at

16. In a three phase transformer, the current flowing in three primaries produces three corresponding fluxes. The sum of these three fluxes at any instant is

17. Small iron core transformers used in certain frequency range is also called audio frequency transformer. The audio frequency range is

18. The output voltage of constant voltage transformer contains excessive harmonics which can be filtered out by using

19. A Ferro resonant transformer regulation is also known as

20. In a step down autotransformer, if the transformation ratio increases then the saving of copper

21. The stator of split phase induction motor has two windings, main winding and auxiliary winding. These windings are displaced in space by

22. In a single phase induction motor, the motor speed on no load is

23. In refrigerators the commonly used motors are

24. In washing machines, most commonly used motors are

25. According to double revolving field theory, any alternating quantity can be resolved into two rotating components. The directions and magnitude of these components are