Objective type Question Answer for exam
1. The emphasis during the ………………… plan (1951-56) was on the development of basic and heavy…………………… and thus there was a need to step up ……………….
Answer
Ans: Second, industries, power generation
2. ………………..Power will continue to remain cheaper than other types for the next decade.
Answer
Ans: Hydro
3. The short circuit current would comprise two components-DC offset current and ……………… short-circuit current.
Answer
Ans: symmetrical
4. The line voltages that can be used are severely limited by the phenomenon of …………………
Answer
Ans: corona
5. The occurrence of a symmetrical fault brings the power transfer across the line to ………………. immediately
Answer
Ans: zero
6. The short-circuit currents may attain such high values that, if allowed to persist, they may result in ………….. to the equipment.
Answer
Ans: thermal damage
7. The signal processing time to arrive at the logical decision depends upon the type of …………………. employed.
Answer
Ans: relay
8. The protection provided by each zone to its element(s) is known as …………………. protection.
Answer
Ans: primary
9. With higher temperatures come not only reduced refrigeration costs but also enhanced ………………..
Answer
Ans: reliability
10. …………………….. represent one of the oldest and most mature elements in a power transmission and distribution network.
Answer
Ans: Transformers
11. …………………… transmission consists of two converter stations, which are connected to each other by a DC cable or an overhead DC line.
Answer
Ans: HVDC transmission
12. The ………………… converter is a source of harmonics on AC as well as DC sides.
Answer
Ans: AC/DC converter
13. A low voltage requires a higher …………………….. and a higher voltage requires a lower one.
Answer
Ans: current
14. The mercury are Valve and later power semiconductors such as……………… finally made it possible to build ef?cient, high power voltage converters using and producing either AC or DC.
Answer
Ans: silicon-controlled recti?ers (SCRs)
15. ………………. plays an increasingly important role in creating a competitive edge in the power industry.
Answer
Ans: Technology
16. ……………….. is pushing for extensive inter- and intra-utility information exchange, integration, consolidation, dissemination, and open access.
Answer
Ans: Deregulation
17. Low ………………….. and communication …………. hinders large information exchange and inter-operation.
Answer
Ans: bandwidth, isolation
18. The ……………………… is using several media for its protection control, and information-sharing functions.
Answer
Ans: power system
19. There are also some very low-bit rate power line communication systems used for ……………. reading.
Answer
Ans: meter
20. …………………….. is the use of PLOC technology to provide broadband Internet access through ordinary power lines.
Answer
Ans: Broadband over Power Lines (BPL)
21. A ……………….. clock is an electronic clock that sends the actual data and time to the device timers.
Answer
Ans: X10
22. One problem with X10 is excessive attenuation of signals between the two out-of-phase …………….. volt lines used in typical residential construction.
Answer
Ans: 120
23. ……………………… means non-discriminatory provision for the use of transmission lines or distribution system or associated facilities with such lines or system by any …………………… or consumer or a person engaged in generation in accordance with the regulations speci?ed by the Appropriate Commission.
Answer
Ans: “Open Access”, licensee
24. ………………………..or ……………………… to determine availability of capacity and in case of dispute the same shall be adjudicated by the Appropriate Commission.
Answer
Ans: CTU or STU
25. …………………………..of capacity without usage is not ………………………….. utilization and therefore is not desirable.
Answer
Ans: Blocking, an economic
26. Values of different……………………………. have been assumed for the purpose of illustrating ………………………… of computation.
Answer
Ans: parameters, methodology
27. The rated rupturing capacity of the Circuit Breaker in any sub-station shall not be less than ……………… of the maximum fault level at that sub-station.
Answer
Ans: 125%
28. In urban areas, availability of land and possibility to its encroachment are the major problem faced by most of the ………………………… utilities.
Answer
Ans: power
29. ……………………. is to aim at a least cost generating capacity expansion planning to serve the demand at a speci?ed level of reliability
Answer
Ans: Power Supply Planning
30. Value of …………….. shall be considered in the economic analysis for the least cost generation expansion plan.
Answer
Ans: unserved energy
31. A hierarchy shall be established for implementation of the ………………… standards and its monitoring
Answer
Ans: maintenance
32. The voltage levels at all EHT sub-stations of its Transmission System would be monitored on real time basis at ……………………….
Answer
Ans: SLDC
33. The system shall normally be maintained within a Frequency range of ………. to …………….. Hz
Answer
Ans: 49.5 to 50.5
34. Appropriate spinning reserve shall be achieved by making suitable allocations to specific generating stations in consultation with …………………..
Answer
Ans: NRLDC
35. The technical losses are due to energy dissipated in the conductors and equipment used for ………………….., ………………………, …………………………. and ………………………………
Answer
Ans: transmission, transformation, sub-transmission and distribution of power
36. Development of the State networks has not been ……………………. and ……. in such networks needs to be augmented.
Answer
Ans: uniform, capacity
37. ……………………. .. is a pre-requisite for maintenance of primary grid parameters namely frequency and voltage within permissible limits for safe, secure and stable operation of the grid.
Answer
Ans: Grid Discipline
38. Ministry of Power has directed all power sector utilities and State Electricity Boards to prepare contingency plans to meet situations arising out of breakdown of …………….. and ………………. and disruption of power system due to any reasons including natural calamities.
Answer
Ans: machinery, equipment
39. ……………… should be charged on the basis of average losses, as applicable to relevant voltage level, on the transmission system.
Answer
Ans: Transactions
40. The ………………………… mandates that the national tariff framework implemented should be sensitive to distance, direction and related to quantum of power flow.
Answer
Ans: National Electricity Policy
41. The Act seeks to create liberal framework of development for the power sector by distancing Government from ……………..
Answer
Ans: regulation
42. Enough generating capacity need to be created to ……………. the situation of energy and peaking shortages and make the country free of …………….. cuts with some spare generating capacity so that the system is also reliable.
Answer
Ans: outgrow, power cuts
