Jay Precision Products QAC Engineer Interview Questions and Answers

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Q1. Basic ups inverter battery related questions
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Q2. Power Calculation
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Q1. Inverter battery and solar related questions
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Q2. Working process of electronic components and oms law
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Electronic components work based on Ohm's Law, which relates voltage, current, and resistance.
• Ohm's Law states that V = I * R, where V is voltage, I is current, and R is resistance.

• Electronic components such as resistors, capacitors, and inductors follow Ohm's Law in their operation.

• Understanding Ohm's Law helps in designing and troubleshooting electronic circuits.

• For example, in a circuit with a 12V battery and a 4 oh...read more
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Q3. About MOSFET, capacitor, resistance, colourcoding of resistance
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They asked about difference between college life and corporate life and the projects we carried out in engineering

Q1. Asked some engineering subjects
Ans. We have to tell subjects of academics
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Q1. What is inverter
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An inverter is an electronic device that converts DC power to AC power.
• Inverters are commonly used in solar power systems to convert DC power from solar panels to AC power for use in homes and businesses.

• They are also used in cars to convert DC power from the battery to AC power for charging devices.

• Inverters come in different sizes and capacities depending on the amount of power they can convert.

• They can be pure sine ...read more
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Q2. How we check a inverter current
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Inverter current can be checked using a clamp meter or a multimeter.
• Use a clamp meter to measure the current flowing through the inverter's output wires

• Set the clamp meter to the appropriate range and clamp it around one of the output wires

• Read the current value displayed on the clamp meter

• Alternatively, use a multimeter to measure the voltage drop across a shunt resistor in series with the output wires

• Calculate the cu
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Q3. Function of igbt
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IGBT stands for Insulated Gate Bipolar Transistor. It is a power semiconductor device used for switching and amplifying electrical power.
• IGBT combines the advantages of both MOSFET and BJT transistors

• It is used in various applications such as motor drives, power supplies, renewable energy systems, etc.

• IGBT has a high input impedance and low on-state voltage drop

• It is capable of handling high current and voltage levels

• I
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Q4. Color code of resistance
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The color code of resistance is used to identify the resistance value of a resistor.
• The color code consists of four or five colored bands on the resistor.

• The first two bands represent the significant digits of the resistance value.

• The third band represents the multiplier.

• The fourth band represents the tolerance.

• The fifth band, if present, represents the temperature coefficient.

• For example, a resistor with bands of brow...read more
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Q5. Function of diode
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A diode is an electronic component that allows current to flow in one direction and blocks it in the opposite direction.
• Diodes are commonly used in rectifiers to convert AC to DC

• They are also used in voltage regulators to maintain a constant voltage

• Diodes can be used as a switch in electronic circuits

• They are made of semiconductor materials such as silicon or germanium
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Q1. What is your name and where r u from
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Q2. Qualification,and working experience
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Q3. Why do you want to work in utl
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Q1. What is the resistance
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Resistance is the opposition to the flow of electric current.
• Resistance is measured in ohms (Ω)

• It is caused by the interaction between electrons and the atoms of a material

• Materials with high resistance are called insulators, while those with low resistance are called conductors

• Resistance can be calculated using Ohm's Law: R = V/I

• Examples of resistors include light bulbs, heating elements, and electronic components
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Q2. What is capacitor and diode
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A capacitor is an electronic component that stores energy in an electric field, while a diode is a semiconductor device that allows current to flow in only one direction.
• Capacitors are commonly used in electronic circuits to filter out noise and stabilize voltage.

• Diodes are used in rectifiers, voltage regulators, and signal demodulators.

• Capacitors are measured in farads, while diodes are measured in volts and amperes.
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Q3. What is the transistor
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A transistor is a semiconductor device used to amplify or switch electronic signals and power.
• It has three layers of semiconductor material: P-type, N-type, and P-type.

• It can be used as an amplifier to increase the strength of a weak signal.

• It can also be used as a switch to turn a circuit on or off.

• Transistors are commonly used in electronic devices such as computers, radios, and televisions.
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Q1. Tell me about yourself.
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I am a service engineer with experience in troubleshooting and repairing complex machinery.
• I have a degree in mechanical engineering

• I have worked with various types of machinery including CNC machines and industrial robots

• I am skilled in diagnosing and repairing mechanical and electrical issues

• I have experience working with customers to resolve technical issues and provide training on equipment operation
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Q1. From mechanical,production
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