A Best Way To Crack Gorenment Job Exams

Electrical Engineering Objective Questions { Induction Motors }

169.  In split-phase motor auxiliary winding is of
A. thick wire placedat the bottom of the slots
B. thick wire placed at the top of the slots
C. thin wire placed at the top of the slots
D. thin wire placed at the bottom of the slots
Discuss in Forum

170. Which of the following motors will operate at high power factor?
A. Shaped pole motor
B. Split phase motor
C. Capacitor start motor
D. Capacitor run motor
Discuss in Forum

171.  In a two value capacitor motor, the capacitor used for running purposes is
A. air capacitor
B. paper spaced oil-filled type
C. ceramic type
D. a.c. electrolytic type
Discuss in Forum

172.  Which of the following motors canbe run on A.C. as well as D.C. supply?
A. Universal motor
B. Repulsion motor
C. Synchronous motor
D. Reluctance motor
Discuss in Forum

173.  In A.C. series motor compensating winding is employed to
A. reduce the effects of armature reaction
B. increase the torque
C. reduce sparking at the brushes
D. none of the above
Discuss in Forum

174.  Which of the following single-phase induction motors is generally used in time phonographs?
A. Resistance start
B. Capacitor start capacitor run
C. Shaded pole
D. Universal
Discuss in Forum

175. Which of the following motors has highest starting torque?
A. Repulsion motor
B. Shaped pole motor
C. Capacitor-start motor
D. Split-phase motor
Discuss in Forum

Page 25 of 54

« 23 24  25  2627 »