What is the power developed by the armature?(a) 49.28 kW(b) 47.08 kW(iv)(c) 44.76 kW(d) 42.58 kW(e) 41.03 kW(v)What is the value of rotational losses for the motor?(a) 1549 W(b) 1793 W(c) 1990 W(d) 4500 W(e) 8248 W(vi)What is the efficiency of the motor?(a) 81.09%(b) 85.60%(c) 87.15%(d) 91.26%(e) 96.36%(vii)What is the motor no-load speed if the no load induced voltage is 440.85V?(а) 390 грm(b) 395 грm(c) 400 rpm(d) 405 rpm(е) 410 грm(viii) What would be the starting line current if the motor was started at full-voltage?(a) 4107 A(b) 4255 А(c) 4392 A(d) 4400 A(e) 4408 A(ix)What is the motor full-voltage starting line current if a 1.90 starting resistor is connectedin series with the armature?(a) 212 A(b) 220 A(c) 228 A(d) 231.6 A(e) 239.6 A1217 words& Accessibility: Investigate Question 4A 55 hp, 440 V, 400 rpm DC shunt motor draws 107 A when operating at rated conditions. Themotor has an armature-circuit resistance of 100 m2 and a total field-circuit resistance of 55 Q.Page 6 of 101193 wordsAccessibility: InvestigateH.DFBN

Answered: Image /qna-images/answer/b805096c-54c3-4521-8e60-f4d805d97c45.jpg

(iv) What is the power developed by the armature? (a) 49.28 kW (b) 47.08 kW (c) 44.76 kW (d) 42.58 kW (e) 41.03 kW (v) What is the value of rotational losses for the motor? (a) 1549 W (b) 1793 W (c) 1990 W (d) 4500 W (e) 8248 W (vi) What is the efficiency of the motor? (a) 81.09% (b) 85.60% (c) 87.15% (d) 91.26% (e) 96.36%

(iv) What is the power developed by the armature? (a) 49.28 kW (b) 47.08 kW (c) 44.76 kW (d) 42.58 kW (e) 41.03 kW (v) What is the value of rotational losses for the motor? (a) 1549 W (b) 1793 W (c) 1990 W (d) 4500 W (e) 8248 W (vi) What is the efficiency of the motor? (a) 81.09% (b) 85.60% (c) 87.15% (d) 91.26% (e) 96.36%

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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