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Ten important things about DC Motors or Direct Current Motor

February 2, 2018 by admin

3. In DC Motors, the direction of rotation of rotor can be determined by Fleming’s left hand rule.According to this rule when thumb, fourth finger and middle finger of the left hand are stretched in such a way that all are mutually perpendicular to each other and if the fourth finger represent the direction of […]

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Electrical Engineering Interview Questions

January 15, 2018 by admin

Electrical Engineering Interview Questions on DC Machine – 3 1. What is the main drawback of a d.c. shunt generator? Answer: The main drawback of a d.c. shunt generator is that, terminal voltage drops considerably with load. 2. At which condition, a shunt generator gives its greatest voltage? Answer: A shunt generator gives its greatest voltage […]

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Electrical Engineering Interview Questions

January 15, 2018 by admin

Electrical Engineering Interview Questions on DC Machine – 2 1. Which material is used to made the yoke of a d.c. machine? Answer: Generally, cast steel is used to made the yoke of a d.c. machine. 2. Which material is used to make the armature of a d.c. machine? Answer: Generally, laminated Silicon steel is […]

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Electrical Engineering Interview Questions

January 15, 2018 by admin

Electrical Engineering Interview Questions on DC Machine – 1 1. Which type of d.c. machine wave winding is used? Answer: Wave winding is used in high voltage and low current d.c. machines. 2. Which type of d.c. machine lap winding is used? Answer: Lap winding is used in low voltage and high current d.c. machines. […]

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Electrical Engineering Interview Questions

January 14, 2018 by admin

Electrical Engineering Interview Questions on Switchgear and Protections – 1 1. What is the name of relay used for anti motor protection scheme? Answer: Reverse Power Relay. 2. In which type of breaker resistance switching is employed? Answer: Air Blast Circuit Breaker. 3. What is the name of relay used for feeder protection in overhead […]

Filed Under: Interviews Questions

Electrical Engineering Interview Questions

January 14, 2018 by admin

Electrical Engineering Interview Questions on Transmission  & Distribution – 1 1. What points should be kept in mind while designing a feeder? Answer: Feeder are designed mainly from the point of view of its current carrying capacity. 2. What is the purpose of transposition of transmission line? Answer: Transposition of transmission line is done to […]

Filed Under: Interviews Questions

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