Ashoka Buildcon Electrical Site Engineer Interview Questions and Answers for Experienced

Q1. What do you know about PCB ?
Ans. 
PCB stands for Printed Circuit Board, a board made of non-conductive material with conductive tracks for electronic components.
• PCB is used to mechanically support and electrically connect electronic components using conductive pathways.

• It is made of non-conductive material like fiberglass, with copper tracks to connect components.

• PCBs can be single-sided, double-sided, or multi-layered depending on the complexity of th...read more
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Q2. What is the active and passive components?
Ans. 
Active components require a power source to operate, while passive components do not.
• Active components require an external power source to function, such as transistors and integrated circuits.

• Passive components do not require an external power source, such as resistors and capacitors.

• Active components can control the flow of electricity, while passive components simply store or dissipate energy.

• Examples of active comp...read more
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Q3. What is the difference between resistance and capacitor?
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Resistance is the opposition to the flow of current in a circuit, while a capacitor stores and releases electrical energy.
• Resistance limits the flow of current, while a capacitor stores and releases charge.

• Resistance is measured in ohms, while capacitance is measured in farads.

• Examples of resistors include carbon film resistors, while examples of capacitors include ceramic capacitors.

• Resistance dissipates energy in the...read more
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Q4. What do you know about SMT ?
Ans. 
SMT stands for Surface Mount Technology, a method of electronic component assembly where components are mounted directly onto the surface of a printed circuit board (PCB).
• SMT components are smaller and lighter than through-hole components, allowing for higher component density on PCBs.

• SMT components are typically mounted using solder paste and reflow soldering techniques.

• SMT technology allows for automated assembly pro...read more
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What's my Name ,My qualification,My Knowledge,My Experience,etc

Q1. Any Questions in Electrical engineering
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Q1. Positive things
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Q1. Still working here
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Q2. I still working here
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Q3. Yes thise want to question
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Q4. Yes this want Question
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Q1. What is a transformer
Ans. 
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers are used to increase or decrease the voltage of an alternating current (AC) signal.

• They consist of two or more coils of wire, known as windings, that are wound around a core made of magnetic material.

• The primary winding receives electrical energy from a power source, while t...read more
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Q2. What is a current
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Current is the flow of electric charge through a conductor.
• Current is measured in amperes (A).

• It is caused by the movement of electrons or ions.

• Current can be either direct current (DC) or alternating current (AC).

• DC flows in one direction, while AC periodically changes direction.

• Examples of current include the flow of electricity in a circuit or the movement of ions in an electrolyte solution.
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Q1. Electrical work
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Q2. Bar bending machine
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Q3. Electrical Panel
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Q1. Bar bending machine
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Q2. DG
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Q1. What are speed control method of induction motor
Ans. 
Speed control methods of induction motor include voltage control, frequency control, and rotor resistance control.
• Voltage control: By varying the voltage supplied to the motor, the speed can be controlled.

• Frequency control: By changing the frequency of the power supply to the motor, the speed can be adjusted.

• Rotor resistance control: By inserting external resistance in the rotor circuit, the speed can be regulated.

• Vari...read more
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