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DC Generators

DC Generators
The no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is

9.1%
11.3%
4.5%
2.8%

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DC Generators
In D.C. generators on no-load, the air gap flux distribution in space is

Triangular
Pulsating
Flat topped
Sinusoidal

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DC Generators
With a D.C. generator which of the following regulation is preferred?

Infinite regulation
50% regulation
1% regulation
100% regulation

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DC Generators
If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will

Fail to excite
Excite to full voltage
Excite to one half of full voltage
None of the listed here

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DC Generators
The yoke of a dc machine is made of

Aluminum
Silicon steel
Cast steel
Soft iron

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DC Generators
A shunt generator gives its greatest voltage at

No load
Full load
None of the listed here
Half full load

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