Tiêu đề MCQ ELECTRIC POWER TRANSMISSION AND DISTRIBUTION.pdf ✅

Way to Polytechnic ● Way to Polytechnic ELECTRIC POWER TRANSMISSION AND DISTRIBUTION Unit-1 Basics of Transmission and Distribution 1. Which of the following best represents a single line diagram? A) Multiple lines representing different components B) A single line representing the electrical components C) Various symbols scattered across a page D) Multiple lines intersecting each other Answer: B) A single line representing the electrical components 2. What distinguishes primary transmission lines from secondary transmission lines? A) Voltage levels B) Length of the line C) Type of insulators used D) Frequency of maintenance Answer: A) Voltage levels 3. What is the standard voltage level used in India for primary transmission lines? A) 11 kV B) 33 kV C) 66 kV D) 220 kV Answer: D) 220 kV 4. Which classification of transmission lines depends on the type of voltage used? A) Primary and secondary transmission B) Based on length C) Based on construction material D) Based on voltage level Answer: D) Based on voltage level 5. High voltage transmission lines are primarily characterized by: A) Low capacity B) High losses C) Efficient power transmission https://sbte.way2poly.in

Way to Polytechnic ● Way to Polytechnic Answer: D) 220 kV 11. What type of lines are primary transmission lines? A) Low voltage B) Medium voltage C) High voltage D) Extra high voltage Answer: D) Extra high voltage 12. Which of the following is a characteristic of high voltage transmission lines? A) Low insulation requirements B) High losses C) Small conductor size D) Efficient power transmission Answer: D) Efficient power transmission 13. Which method of construction is commonly used for distribution lines? A) Underground cables B) Overhead lines C) Submarine cables D) Insulated pipelines Answer: A) Underground cables 14. AC transmission lines are preferred over DC transmission lines because they: A) Have higher losses B) Are more expensive to construct C) Can transmit power over longer distances D) Require more maintenance Answer: C) Can transmit power over longer distances 15. What distinguishes primary transmission lines from secondary transmission lines? A) Voltage levels B) Length of the line C) Type of insulators used D) Frequency of maintenance Answer: A) Voltage levels https://sbte.way2poly.in
Way to Polytechnic ● Way to Polytechnic 16. What is the standard voltage level used in India for primary transmission lines? A) 11 kV B) 33 kV C) 66 kV D) 220 kV Answer: D) 220 kV 17. Which classification of transmission lines depends on the type of voltage used? A) Primary and secondary transmission B) Based on length C) Based on construction material D) Based on voltage level Answer: D) Based on voltage level 18. High voltage transmission lines are primarily characterized by: A) Low capacity B) High losses C) Efficient power transmission D) Limited range Answer: C) Efficient power transmission 19. What are the primary components of a distribution system? A) Generators and transformers B) Transformers and substations C) Transmission lines and substations D) Generators and transmission lines Answer: B) Transformers and substations 20. AC transmission lines are preferred over DC transmission lines because: A) They have lower losses B) They are cheaper to construct C) They can transmit power over longer distances D) They require less maintenance Answer: A) They have lower losses https://sbte.way2poly.in