A) 0 B) equal to full load C) very high D) nearly zero. Ans : (A)
A) No load test data B) Blocked rotor test data C) State resistance test data D) All of the above. Ans : (D)
A) short circuit rotor B) wound rotor C) double cage rotor D) all of the above. Ans : (B)
A) is lost in friction B) is lost in windage C) appears as noise D) appears as heat. Ans : (D)
A) 920 rpm B) 940 rpm C) 950 rpm D) 980 rpm. Ans : (B)
A) 1% B) 3% to 5% C) 10% to 12% D) 15% to 20%. Ans : (B)
A) 3000 rpm B) 1440 rpm C) 960 rpm D) 500 rpm. Ans : (A)
A) 5000 W B) 4755 W C) 4165 W D) 4015 W. Ans : (C)
A) 1.2 W B) 1.6 W C) 1.8 W D) 1.9 W. Ans : (B)
A) Half the rated current B) Equal to the rated current C) 2 to 3 times the rated current D) 5 to 7 times the rated current. Ans : (D)