4/20/2023 0 Comments Readers note iunit 6Regulation obtained by using synchronous impedance method is higher than that obtained by actual loading. Thus, the armature reaction voltage is not in phase with the reactance voltage drop.Ĥ) The magnetic reluctance to the armature flux is constant regardless of the power factor. The shift of armature flux varies with the power factor and the load current, and a distortion of the main field flux is produced. The actual resultant flux, and hence generated voltage is very small.ģ) The effect of the armature reaction flux can be replaced by a voltage drop proportional to the armature current and that the armature reaction voltage drop is added to the armature reactance voltage drop. When the armature is short circuited, the current in the armature lags t he generated voltage by almost 90°, and hence armature reaction is almost completely demagnetizing. This assumption introduces considerable error. It is assumed that a given value of field current always produces the same flux. In this test we do not consider the effect of saturation and the value of synchronous impedance changes.Ģ) The flux under test conditions is the same as that under load conditions. When the saturation starts, the synchronous impedance decreases. Are linear, synchronous impedance is constant. A t all times, the synchronous impedance is the ratio of the open circuit voltage to the short circuit current. I cannot hear the sound of moving of chairs.ġ.Look at the picture and write four sentences about what you see.Ģ.I can see different types of vehicles running on the road.Assumptions in the synchronous impedance methodġ) The synchronous impedance is constant. But the reality is that the road is already wide awake.ġ.Use can and cannot alternatively in the following sentences: ‘can’ and ‘cannot’ The road is annoyed with the crow because he is waking up the road again and again. Why is the road annoyed with the crow?Īns. The vegetable man is selling different types of vegetables such as peas, cauliflowers, potatoes, radishes, carrots, cabbages, etc.ģ. What sounds do you hear on the road in the morning?Īns.In the morning we hear the sounds of birds, newspaper boy, vegetable man, school going children, etc. train (ii)THE STORY OF THE ROAD QUESTIONS FROM TEXTBOOK SOLVEDġ. One is done for you.ġ.Give me some-to eat. (i) Sort out these different means of transport into correct groups. I saw hills, rivers, big and small trees through the window. My father took the tickets from the crowded ticket window. There were many people at the railway station. You can use some of the following words and phrases.Įxample: I went to the railway station with my father to go to Haridwar. If I had to spend the night on a train, I would take food and water, bedsheet, pillow, comb, brush and tooth paste, towel and some medicines.ĭescribe an interesting train or bus journey you have taken, or would like to take. If you had to spend the night on a train, what would you need to take with you?Īns. If you have to travel over a long distance, how would you like to go and why?Īns.If I have to travel over a long distance, I would like to go by train because it is easily affordable and also very safe.ģ. ‘Dawn’ is the time when we see the first light of the day.Ģ. The trains run from morning to evening, from day and night.Īns.‘Dusk’ is the time when the sun is going to set. They carry our luggage, important papers, letters, parcels etc.Īns. NCERT Solutions for class 3 English Unit-6 (i) TRAINS QUESTIONS FROM TEXTBOOK SOLVEDĪns.The trains run through the mountains, plains and rivers.Ģ.What are the ‘precious loads’ that they carry?Īns. Lakhmir Singh Science Class 8 Solutions.PS Verma and VK Agarwal Biology Class 9 Solutions.NCERT Solutions for Class 9 Foundation of IT.NCERT Solutions for Class 9 Social Science.NCERT Solutions for Class 10 Foundation of Information Technology.NCERT Solutions For Class 10 Hindi Kritika.NCERT Solutions For Class 10 Hindi Kshitiz.NCERT Solutions For Class 10 Hindi Sparsh.NCERT Solutions For Class 10 Hindi Sanchayan.NCERT Solutions for Class 10 Social Science.NCERT Solutions for Class 11 Indian Economic Development.NCERT Solutions for Class 11 Political Science.NCERT Solutions for Class 11 Psychology.NCERT Solutions for Class 11 Entrepreneurship.NCERT Solutions for Class 11 Accountancy.NCERT Solutions for Class 11 Business Studies.NCERT Solutions for Class 11 Computer Science (Python).NCERT Solutions for Class 12 Psychology.NCERT Solutions for Class 12 Political Science.NCERT Solutions for Class 12 Entrepreneurship.NCERT Solutions for Class 12 Macro Economics.NCERT Solutions for Class 12 Micro Economics.NCERT Solutions for Class 12 Accountancy.NCERT Solutions for Class 12 Business Studies.NCERT Solutions for Class 12 Computer Science (C++).NCERT Solutions for Class 12 Computer Science (Python).RD Sharma Class 11 Solutions Free PDF Download.
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