Electrical Machines Which of the following represents the pitch factor? Cos α sin (α/2) Cos α² Cos (α/2) Cos α sin (α/2) Cos α² Cos (α/2) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in either of these series motors None of these shunt motors either of these series motors None of these shunt motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Winding conductors of an electrical power transformer are mainly insulated by cotton insulation. paper insulation. wooden insulation. rubber insulation. cotton insulation. paper insulation. wooden insulation. rubber insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5 Ω and back emf of 200 V is 40 A. 440 A. 400 A. 44 A. 40 A. 440 A. 400 A. 44 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements : 1. interpole windings are connected in series with armature windings 2. polarity of interpoles must be the same as that of the main poles in advance 3. distortion of the main field under the pole shoes is not affected by the use of interpoles From above, the correct answer is 1 and 3 1 alone 1 and 2 2 and 3 1 and 3 1 alone 1 and 2 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltage regulation of a DC generator at full load being zero implies that the generator is deferentially compounded. shunt connected. series connected. cumulatively compounded. deferentially compounded. shunt connected. series connected. cumulatively compounded. ANSWER DOWNLOAD EXAMIANS APP
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