Danfoss Industries Electrical GET Interview Questions and Answers

Q1. Basic questions related to RC circuit, Op amps, etc
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Q2. What is time constant of RC circuit
Ans. 
Time constant of an RC circuit is the time taken for the voltage across the capacitor to reach approximately 63.2% of its final value.
• Time constant (τ) is calculated as the product of resistance (R) and capacitance (C) in the circuit, τ = R * C.

• It represents the rate at which the capacitor charges or discharges in response to a step change in voltage.

• A smaller time constant indicates a faster response of the circuit, w...read more
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Q1. What are comparators? Draw band pass filter circuit
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Comparators are electronic circuits that compare two voltages and output a digital signal based on the comparison. Band pass filter circuit allows only a certain range of frequencies to pass through.
• Comparators are used in applications such as voltage level detection, waveform shaping, and pulse width modulation.

• They have two input terminals for the voltages to be compared and one output terminal for the digital signal...read more
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Q1. Regarding your past experience with present skills
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Q2. Need to material handling systems and it's components which will be used and it's standards
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Technical parameters with respect to electrical like standards, parameters, basic calculations and knowledge about plc and drives wrt material handling systems

Q1. Basic technical concepts and differentaiations about sensors
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Q2. Tell me about yurself and describe your role fits for the current internship
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Q1. What are different types of windings in transformer?
Ans. 
Different types of windings in transformers include primary winding, secondary winding, and tertiary winding.
• Primary winding: receives electrical power from the source

• Secondary winding: delivers electrical power to the load

• Tertiary winding: used in special transformers for specific applications

• Auto-transformer winding: single winding used as both primary and secondary

• Leakage winding: used to reduce leakage flux in the
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Q2. Flipflop Conversions
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Q3. What is modulation
Ans. 
Modulation is the process of varying a carrier signal's properties to transmit information.
• Modulation involves changing one or more properties of a high-frequency periodic waveform, called the carrier signal, in proportion to a signal to be transmitted.

• Common types of modulation include Amplitude Modulation (AM), Frequency Modulation (FM), and Phase Modulation (PM).

• Modulation allows for the efficient transmission of in...read more
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Q4. What are different types of losses in a transformer
Ans. 
Different types of losses in a transformer include copper losses, iron losses, and stray losses.
• Copper losses: Also known as I^2R losses, occur in the windings due to resistance.

• Iron losses: Also known as core losses, occur in the core due to hysteresis and eddy currents.

• Stray losses: Occur due to leakage flux and imperfect magnetic coupling.

• Eddy current losses: Occur in the core due to circulating currents induced by ...read more
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Basic questions were asked which can be solved easily but time management is required

Q1. Circuits were given with missing component values finding them
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Q1. Asked about the projects on my resume and explain in detail
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Q2. Microproceesor, microcontroller differences
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Q1. Machine electronic eeem emc
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Q2. Transformer motor generator lighting arrester circuit breaker
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Q3. Transformer motor
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Q4. Transformer motor generator battery
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Q1. What are different types of windings in transformer?
Ans. 
Different types of windings in transformers include primary winding, secondary winding, and tertiary winding.
• Primary winding: receives electrical power from the source

• Secondary winding: delivers electrical power to the load

• Tertiary winding: used in special transformers for specific applications

• Auto-transformer winding: single winding used as both primary and secondary

• Leakage winding: used to reduce leakage flux in the
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Q2. Flipflop Conversions
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Q3. What is modulation
Ans. 
Modulation is the process of varying a carrier signal's properties to transmit information.
• Modulation involves changing one or more properties of a high-frequency periodic waveform, called the carrier signal, in proportion to a signal to be transmitted.

• Common types of modulation include Amplitude Modulation (AM), Frequency Modulation (FM), and Phase Modulation (PM).

• Modulation allows for the efficient transmission of in...read more
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Add your answer
Q4. What are different types of losses in a transformer
Ans. 
Different types of losses in a transformer include copper losses, iron losses, and stray losses.
• Copper losses: Also known as I^2R losses, occur in the windings due to resistance.

• Iron losses: Also known as core losses, occur in the core due to hysteresis and eddy currents.

• Stray losses: Occur due to leakage flux and imperfect magnetic coupling.

• Eddy current losses: Occur in the core due to circulating currents induced by ...read more
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