INTEGRAL SERVICES COMPANY Electrical Engineer Interview Questions and Answers

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Q1. What is a control system of electric painal?
Ans. 
A control system of an electric panel is a system that regulates and manages the operation of electrical components within the panel.
• Control systems in electric panels can include programmable logic controllers (PLCs) to automate processes.

• They can also involve relays, switches, and sensors to monitor and control the flow of electricity.

• Control systems ensure the safety, efficiency, and functionality of the electric pa...read more
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Q2. What is a faction of plc.
Ans. 
A faction of PLC refers to a portion of the programmable logic controller that performs a specific function.
• A faction of PLC is a subset of the overall PLC system

• Each faction is responsible for carrying out a specific task or operation

• Examples of factions include input modules, output modules, and communication modules
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Q3. Plc act the physical interfaces between devices on the plant and manufacturing flore and scada or hmi systam. Control communicate monitor and control complex automated
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Q1. What is the SI unit Force
Ans. 
The SI unit of force is the newton (N).
• The SI unit of force is named after Sir Isaac Newton, a renowned physicist and mathematician.

• The newton is defined as the force required to accelerate a one-kilogram mass by one meter per second squared.

• Force can be measured using various instruments such as spring scales, strain gauges, or load cells.

• Examples of forces include gravity, friction, tension, and compression.

• Other com...read more
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Q2. What is the SI unit Power
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The SI unit for power is the watt (W).
• Power is the rate at which work is done or energy is transferred.

• The watt is defined as one joule per second.

• Power can be calculated by multiplying voltage and current.

• Examples of power units include kilowatts (kW) and megawatts (MW).
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Q1. What is the series motor
Ans. 
A series motor is a type of electric motor where the field windings are connected in series with the armature windings.
• The torque of a series motor is proportional to the square of the current flowing through it.

• Series motors are used in applications where high starting torque is required, such as in electric trains and cranes.

• They are not suitable for applications where constant speed is required, as their speed varie...read more
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Q2. What are the different between universal motor and series motor?
Ans. 
Universal motors are used for AC and DC power while series motors are used for DC power only.
• Universal motors have a high starting torque and can operate at high speeds, making them suitable for appliances like vacuum cleaners and power tools.

• Series motors have a high starting torque and can operate at low speeds, making them suitable for applications like electric trains and cranes.

• Universal motors have brushes that w...read more
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Q3. How many types of transformer
Ans. 
There are several types of transformers used in electrical engineering.
• Power transformers

• Distribution transformers

• Instrument transformers

• Auto transformers

• Isolation transformers

• Step-up and step-down transformers

• Three-phase transformers

• Toroidal transformers

• Ferrite core transformers

• Air core transformers
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Q4. Explain of step down transformer
Ans. 
A step-down transformer is a type of transformer that reduces the voltage level from primary to secondary winding.
• It has more turns in the primary winding than in the secondary winding

• It is used to step down the voltage level in power transmission and distribution

• It is commonly used in electronic devices to convert high voltage to low voltage

• Examples include power adapters for laptops and mobile phones
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Q5. What's the compound motor
Ans. 
A compound motor is a type of electric motor that combines the features of a series motor and a shunt motor.
• It has both a series field winding and a shunt field winding

• It provides high starting torque and good speed regulation

• It is commonly used in applications such as elevators, cranes, and hoists
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Q1. Everything question ask by HR
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Q1. Why you choose our company
Ans. To learn more technical and upgrade myself
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Q1. On your branch to trade and basic knowledge
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Q2. Family background your hobbies
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Q1. Questions based on electrical machine
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Q2. Question based on switch gear and protection
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Q3. Question based on digital electronics
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Q4. Question based on basic electricity
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