1000+ Electrical Engineering Machine Design MCQ Questions - 2

Question: 8

Transformers with a capacity of upto _____ have a cooling radiator system with natural cooling.

(A) 2 MVA

(B) 5 MVA

(C) 7.5 MVA

(D) 10 MVA

Question: 9

With direct water cooling it is possible to have ratings of about

(A) 200 MW

(B) 300 MW

(C) 400 MW

(D) 600 MW

Question: 10

Commercial available medium size machines have a speed range of

(A) 200 to 400 r.p.m.

(B) 600 to 1000 r.p.m.

(C) 1000 to 1500 r.p.m.

(D) 2000 to 2500 r.p.m.