- To excite the poles of main exciter
- To provide requisite starting torque to main exciter
- To provide requisite starting torque to generator
- None of the above
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When two D.C. series generators are running in parallel, an equalizer bar is used?
Answer: Option 3 Let'
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When two D.C. generators are running in parallel an equalizer bar is used?
Answer: Option 4 Let'
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Statement : There is an unprecedented increase in migration of villagers to urban areas as repeated crop failure has put them into precarious financial situation. Courses of Action : I. The villagers should be provided with alternate source of income in their villages which will make them stay put. II. The migrated villagers should be provided with jobs in the urban areas to help them survive.?
Answer: Option 1 Clearly, increased migration would add to the burden on city's infrastructure. So, attempts should be made to make the villagers feel comfortable in the villages itself. So,...
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Which of the following generators will be preferred if they are required to be run in parallel?
Answer: Option 1 Let'
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Two generators are running in parallel. One of the generators may run as motor for which of the following reasons?
Answer: Option 4 Let'
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Which of the following D.C. generators will be in a position to build up without any residual magnetism in the poles ?
Answer: Option 4 Let'
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Which of the following statement about D.C. generators is false?
Answer: Option 4 Let'
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In D.C. generators, the brushes on commutator remain in contact with conductors which?
Answer: Option 3 Let'
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The main factor which leads to unstable parallel operation of flat and over compounded generators is?
Answer: Option 1 Let'
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Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer : Statement : All the employees are notified that the organisation will provide transport facilities at half cost from the nearby railway station to the office except those who have been provided with travelling allowance. Assumptions : I. Most of the employees will travel by the office transport. II. Those who are provided with travelling allowance will not read such notice.?
Answer: Option 1 The facility given by the office shall be an added privilege and many employees will avail of the same. So, I is implicit. Also, the statement 'All...
1 Answers 1 views