SB Energy Senior QA QC Engineer Interview Questions and Answers

Q1. What is Current?
Ans. 
Current is the flow of electric charge through a conductor.
• Current is measured in Amperes (A).

• It is the rate of flow of electric charge past a point in a circuit.

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

• In a series circuit, the current remains the same throughout.

• Ohm's Law states that current is directly proportional to voltage and inversely proportional to resistance.
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Q2. What is voltage?
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Voltage is the difference in electric potential between two points in a circuit, measured in volts.
• Voltage is the force that pushes electric current through a circuit.

• It is measured in volts (V).

• Voltage is the potential difference between two points in a circuit.

• Higher voltage means more potential energy available to move electrons.

• Example: A battery with a voltage of 1.5V can power a small flashlight.
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Q3. Type of electrical machine
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Electrical machines are devices that convert electrical energy into mechanical energy or vice versa.
• Types of electrical machines include motors (convert electrical energy to mechanical energy) and generators (convert mechanical energy to electrical energy).

• Common examples of electrical machines include induction motors, synchronous motors, DC motors, and transformers.

• Electrical machines play a crucial role in various i...read more
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Q1. What is synchronous generator?
Ans. 
A synchronous generator is a device that converts mechanical energy into electrical energy with a constant speed of rotation.
• Consists of a rotor and a stator

• Produces AC power at a fixed frequency

• Used in power plants, wind turbines, and hydroelectric plants
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Q2. What is clogging?
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Clogging is the blockage or obstruction of a pipe, tube, or passage by foreign material or waste.
• Clogging occurs when foreign material or waste accumulates and restricts the flow of fluids or gases.

• Common examples of clogging include hair in a shower drain, food particles in a kitchen sink drain, or dirt in a vacuum cleaner filter.

• Clogging can lead to reduced efficiency, malfunction, or damage in various systems such a...read more
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Q3. Which type of electrical machine used in wind turbine for power generation?
Ans. 
The type of electrical machine used in wind turbines for power generation is the induction generator.
• Induction generator is commonly used in wind turbines due to its simplicity, reliability, and low maintenance requirements.

• It operates on the principle of electromagnetic induction to convert mechanical energy from the wind into electrical power.

• Induction generators do not require a separate power source for excitation,...read more
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Q1. Am I able to climb 92 meter wind turbine?
Ans. 
Yes, as a Junior Engineer Electrical, you should be physically capable of climbing a 92 meter wind turbine.
• Physical fitness is important for climbing such heights

• Proper safety training and equipment are necessary

• Experience in working at heights is beneficial
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Q2. What is My weakness ?
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Q3. What is my strength?
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My strength lies in my problem-solving skills, attention to detail, and ability to work well under pressure.
• Strong problem-solving skills

• Attention to detail

• Ability to work well under pressure
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Q4. What is my achievement?
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Q5. What is my salary expectation?
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Q1. Wind blade technician finishing
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Q2. Wind blade technician mould
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Wind blade technician finishing repair

Q1. Tell me about your shelf
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Q2. Tell me job profile
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Q3. Tell me excepted salary
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Q1. Transformer protection
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