If one lamp connects between two phases it will glow or not? What happens if a capacitor is connected to a generator load? What is stepper motor. What are its uses? Battery banks are in connected in series or parallel and why? How to determine alternating current frequency? In a Tap changing transformer, tap is […]
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IQ Test – 1
1. If 11 * 11 = 4 22 * 22 = 16 33 * 33 = 36 then 44 * 44 = ? Answer = 64 Explaination: (1 + 1) * (1 + 1) = 4 (2 + 2) * (2 + 2) = 16 (3 + 3) * (3 + 3) = 36 (4 […]
Electrical Engineering Interview Questions and Answers
1. What is an isolation transformer? 2. Why we don’t use wood as the core for transformers? 3. Why are alternators put in parallel? 4. What do you mean by Switchgear? 5. What do you mean by synchronising of alternator? 6. What is through fault in power system? 7. What is difference between symmetrical and […]
Top Electricity Companies
Electricity Companies Electricity companies or utility companies are the companies that engages with power stations, electric power transmission, electricity distributions, electricity utilization, power generation, electric product etc. There are many Electricity companies or utility company in the world. Some of the world’s largest electrical companies have been discussed below. Duke Energy is the largest electric power […]
Ten important things about DC Motors or Direct Current Motor
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 […]
Electrical Engineering Interview Questions
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 […]