Part 2: Frequently Asked Electrical Engineering Interview Questions!
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Continuing post Part 1, here are a few more frequently asked electrical engineering interview questions for you. These would prove to be useful for you during your interview preparation. Do not forget to revise them.
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1. WHAT IS THE MEANING OF A CONTROL SYSTEM? ď ľ
Within a System, the outputs and inputs are co-related in such a way, to the point that the yield amount or variable is controlled by input amount, at that point, such a framework is called as a Control System.
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The output amount is termed as a controlled variable or response and the input amount is called command signal or excitation.
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2. WHAT DO YOU UNDERSTAND BY A HOLDING CURRENT? ď ľ
At the point when SCR is conducting current in a forward conduction state, SCR will come back to forward blocking state when the anode current or forward current falls beneath a low level termed as a Holding current
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Note: Latching current and Holding current is not one. Latching current is related to the turn-on process of the SCR though holding current is related with the turn off procedure. In general, holding current will be somewhat lesser than the latching current.
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3. WHAT ADVANTAGES DOES THE FREEWHEELING DIODE PROVIDE A FULL WAVE RECTIFIER? ď ľ
It lessens the harmonics and it likewise decreases sparking and arching over the mechanical switch such that it diminishes the voltage spike found in an inductive load.
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4. WHAT IS THE SF6 CIRCUIT BREAKER? ď ľ
SF6 is Sulpher hexa Flouride gas.. on the off chance that this gas is utilized as arc quenching medium in a Circuit breaker implies SF6 CB.
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5. WHAT IS THE DIFFERENCE BETWEEN MCCB AND MCB? WHERE CAN IT BE UTILIZED? ď ľ
MCB happens to be a miniature circuit breaker which is thermally operated and use for short circuit in little current rating circuit. MCCB molded case circuit breaker and is thermal operated for overload current and magnetic operation for an instant trip in short circuit condition and under recurrence might be inbuilt. Ordinarily, it is utilized where the normal current is in excess of 100A.
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Include these as a part of your interview preparation process. For best interview tips and techniques, do visit the SayTooLoud page.
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THANK YOU...
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