MCQOPTIONS
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MCQOPTIONS
This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Power Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In India, the preferred poles used in the transmission and distribution is ______ |
| A. | Steel poles |
| B. | RCC poles |
| C. | Steel and RCC poles |
| D. | Wood poles |
| Answer» D. Wood poles | |
| 2. |
While deciding an efficient and economical transmission and distribution system, the preferred distribution system will be _____________ |
| A. | single phase, 2 wire |
| B. | two phase, 3 wire |
| C. | three phase, 3 wire |
| D. | three phase, 4 wire |
| Answer» E. | |
| 3. |
The volume of copper required in a transmission system is proportional to _________ |
| A. | voltage and power factor |
| B. | power factor |
| C. | voltage |
| D. | current |
| Answer» B. power factor | |
| 4. |
Before installing any transmission system, one has to decide about the type of the transmission system to be employed. Considering a monetary shortage and economical setup, one would take up _____________ |
| A. | underground system |
| B. | overhead system |
| C. | underground or overhead system |
| D. | can be chosen randomly. |
| Answer» C. underground or overhead system | |
| 5. |
The underground transmission and distribution of power is better than the corresponding overhead transmission and distribution in respect of _________ |
| A. | appearance and safety |
| B. | maintenance cost |
| C. | frequency of faults |
| D. | appearance, safety, maintenance, frequency |
| Answer» E. | |
| 6. |
A 240 kV 2μs rectangular pulse surge on a transmission line has surge impedance of 350 ohms. It approaches a generating station with capacitance of 3000 pF. The transmitted voltage will be ____________ |
| A. | 340.5 kV |
| B. | 280 kV |
| C. | 400 kV |
| D. | 480 kV |
| Answer» B. 280 kV | |
| 7. |
BEFORE_INSTALLING_ANY_TRANSMISSION_SYSTEM,_ONE_HAS_TO_DECIDE_ABOUT_THE_TYPE_OF_THE_TRANSMISSION_SYSTEM_TO_BE_EMPLOYED._CONSIDERING_A_MONETARY_SHORTAGE_AND_ECONOMICAL_SETUP,_ONE_WOULD_TAKE_UP______________?$ |
| A. | underground system |
| B. | overhead system |
| C. | underground or overhead system |
| D. | can be chosen randomly. |
| Answer» C. underground or overhead system | |
| 8. |
While deciding an efficient and economical transmission and distribution system, the preferred distribution system will be _____________$ |
| A. | single phase, 2 wire |
| B. | two phase, 3 wire |
| C. | three phase, 3 wire |
| D. | three phase, 4 wire |
| Answer» E. | |
| 9. |
The_volume_of_copper_required_in_a_transmission_system_is_proportional_to__________$ |
| A. | voltage and power factor |
| B. | power factor |
| C. | voltage |
| D. | current |
| Answer» B. power factor | |
| 10. |
In emergency cases, another wire is installed in the system, that is widely known as ________________ |
| A. | Guy wire |
| B. | Earth wire |
| C. | Line wire |
| D. | Neutral wire |
| Answer» B. Earth wire | |
| 11. |
_______ material is used for the making of the ground wire in the transmission system. |
| A. | Galvanised steel |
| B. | Steel |
| C. | Cast iron |
| D. | Aluminium |
| Answer» B. Steel | |
| 12. |
Copper has got higher resistivity than aluminium which makes it less used in transmission system. |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
In_India,_the_preferred_poles_used_in_the_transmission_and_distribution_is_______ |
| A. | Steel poles |
| B. | RCC poles |
| C. | Steel and RCC poles |
| D. | Wood poles |
| Answer» D. Wood poles | |
| 14. |
The underground transmission and distribution of power is better than the corresponding overhead transmission and distribution in respect of ________? |
| A. | appearance and safety |
| B. | maintenance cost |
| C. | frequency of faults |
| D. | appearance, safety, maintenance, frequency |
| Answer» E. | |
| 15. |
One would design the feeders of the transmission system based on its ____________ |
| A. | current capacity |
| B. | voltage drop |
| C. | operating voltage |
| D. | all of the mentioned |
| Answer» B. voltage drop | |
| 16. |
One needs to design the distributors, the parameter which will be considered for the design of it? |
| A. | voltage drop in it |
| B. | current flowing |
| C. | operating voltage |
| D. | operating frequency |
| Answer» B. current flowing | |
| 17. |
In a transmission line system, the feeders act as input to _________ |
| A. | distributors |
| B. | service mains |
| C. | transformer sub stations |
| D. | all of the mentioned |
| Answer» B. service mains | |
| 18. |
A 240 kV 2μs rectangular pulse surge on a transmission line has surge impedance of 350 ohms. It approaches a generating station with capacitance of 3000 pF. The transmitted voltage will be ____________$ |
| A. | 340.5 kV |
| B. | 280 kV |
| C. | 400 kV |
| D. | 480 kV |
| Answer» B. 280 kV | |
| 19. |
A rectangular voltage wave is impressed on a long overhead line, with the far end of the line being open circuited. After reaching line end, the current is _________ |
| A. | current is reflected back with positive but voltage with negative sign |
| B. | current is reflected back with negative but voltage with positive sign |
| C. | both current and voltage are reflected with negative sign |
| D. | both current and voltage are reflected with positive sign |
| Answer» C. both current and voltage are reflected with negative sign | |
| 20. |
The larger power can be transmitted over a line with fixed voltage profile when ______ |
| A. | compensators are installed |
| B. | negative VAR is fed |
| C. | positive VAR is fed |
| D. | compensators are installed and postive VAR is fed |
| Answer» E. | |