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Salient poles are generally used on :

Ahigh speed prime movers only

Bmedium speed prime movers only

Clow speed prime movers only

Dlow and medium speed prime movers only

Answer:

D. low and medium speed prime movers only


Related Questions:

Directions: In the question below is a statement followed by two conclusions numbered I and II. You have to assume everything in the statement to be true, then consider the two conclusions together and decide which of them logically follows beyond a reasonable doubt from the information given in the statement.

Statement:  Only science students are permitted to attend the conference, other than science students no one is permitted.

Conclusions: 

I. All students present at the conference are science students.

II. Those students who do not have a science background are not allowed in the conference.

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