Godrej Properties Graduate Engineer Interview Questions and Answers

The Test was easy , quantitative ability was quite difficult but overall test was easy.

Q1. What is Current , Voltage , Power , Resistance ?
Ans. 
Current is the flow of electric charge, voltage is the electric potential difference, power is the rate at which work is done, and resistance is the opposition to the flow of electric current.
• Current is measured in amperes (A)

• Voltage is measured in volts (V)

• Power is measured in watts (W)

• Resistance is measured in ohms (Ω)

• Ohm's law relates these concepts: V = IR, where V is voltage, I is current, and R is resistance
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Q2. What is Power System ?
Ans. 
Power system is a network of electrical components used to transmit, distribute and generate electricity.
• Power system includes generators, transformers, transmission lines, distribution lines, and loads.

• It is responsible for delivering electricity from power plants to homes and businesses.

• Power system engineers design, operate and maintain the system to ensure reliability and efficiency.

• Examples of power systems includ...read more
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Q3. What is Rectifier , transformer , chopper ?
Ans. 
Rectifier converts AC to DC, transformer changes voltage level, chopper controls DC voltage.
• Rectifier is an electronic device that converts AC to DC.

• Transformer is a device that changes voltage level of AC power.

• Chopper is an electronic device that controls DC voltage by switching it on and off.

• Rectifiers are used in power supplies, battery chargers, and welding machines.

• Transformers are used in power distribution syst...read more
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Q4. Define Power losses in Power system.
Ans. 
Power losses in power system refer to the energy lost in the transmission and distribution of electricity.
• Power losses occur due to resistance in transmission lines, transformers, and other equipment.

• These losses result in a decrease in voltage and an increase in current, leading to heat dissipation.

• Power losses can be minimized by using high voltage transmission lines, efficient transformers, and proper maintenance.

• Ex...read more
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