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Electric Machine Daily Quiz #12
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Know MoreQuestion 1
For a 50 Hz system, the value of P.N for a synchronous machine will be (where P = number of poles and N = speed in rpm)-
- 5000
- 6000
- 1500
- 1800
Question 2
Steam turbine works most economically at-
- 1500 rpm
- 3000 rpm
- 4000 rpm
- 6000 rpm
Question 3
Which statement is true-
- Number of poles is independent, Speed is dependent variable
- Speed is independent, Number of poles is dependent variable
- Number of poles and Speed, both are independent variables
- Number of poles and Speed, both are dependent variables
Question 4
Salient Pole machine is preferred for-
- P>4
- P<4
- P>10
- P<10
Question 5
Direct axis reactance Xd and Quadrature axis reactance Xq are related by-
- Xd> Xq
- Xq > Xd
- Xd = Xq
- None
- 290 attempts
- 3 upvotes
- 5 comments
Oct 1ESE & GATE EE