Tokheim Graduate Engineer Trainee (Get) Interview Questions and Answers

Had a test on electrical related questions

Group discussion on random topic given by the interviewer

Q1. Difference between single phase and 3 phase supply
Ans. 
Single phase supply has one live wire and one neutral wire, while 3 phase supply has three live wires and one neutral wire.
• Single phase supply is commonly used in residential buildings and small businesses.

• 3 phase supply is used in industrial settings and large commercial buildings.

• Single phase supply provides a constant voltage, while 3 phase supply offers a more balanced power distribution.

• 3 phase supply is more effi...read more
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Q2. Types of circuit breakers
Ans. 
Circuit breakers are electrical switches that protect electrical circuits from damage caused by overload or short circuit.
• Types of circuit breakers include thermal-magnetic, magnetic, and hydraulic-magnetic circuit breakers.

• Thermal-magnetic circuit breakers use both thermal and magnetic mechanisms to trip the circuit.

• Magnetic circuit breakers use a solenoid to trip the circuit when a fault is detected.

• Hydraulic-magneti...read more
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Q1. Random general questions
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