ABB Electrical GET Interview Questions and Answers

Q1. What are types of DC motor
Ans. 
DC motors are classified into several types based on their construction and operation, including brushed and brushless variants.
• Brushed DC Motor: Uses brushes for commutation; common in toys and small appliances.

• Brushless DC Motor: No brushes; used in computer fans and electric vehicles.

• Series DC Motor: High starting torque; ideal for cranes and electric trains.

• Shunt DC Motor: Constant speed; used in lathes and conveyo...read more
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Q2. What will happen if we provide DC to Transformer
Ans. 
Applying DC to a transformer can cause overheating and damage due to lack of magnetic flux change.
• Transformers operate on the principle of electromagnetic induction, which requires alternating current (AC).

• When DC is applied, it creates a constant magnetic field, leading to core saturation.

• Core saturation results in excessive current draw, potentially damaging the transformer windings.

• For example, a transformer rated f...read more
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Q3. Types of CB and Relays
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Q1. What are different types of windings in transformer?
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Q2. Flipflop Conversions
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Q3. What is modulation
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Q4. What are different types of losses in a transformer
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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
Ans. 
Identify missing component values in electrical circuits using Ohm's Law and circuit analysis techniques.
• Use Ohm's Law (V = IR) to find missing voltage, current, or resistance values.

• Apply Kirchhoff's Voltage Law (KVL) to analyze closed loops in circuits.

• Utilize Kirchhoff's Current Law (KCL) to evaluate current at junctions.

• Example: In a series circuit, if R1 = 10Ω and R2 = 20Ω, total resistance R_total = R1 + R2 = 30Ω...read more
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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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Quantitative Aptitude, Numerical Ability, Synonym etc

Q1. Introduce yourself Where you did Training? What was your academic project? Guide? What do you like? Tractor or Implement? What is your aim?
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Q1. C++ basic questions on OOPS principles. Questions on QT/QML.
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Q1. Tell me about yourself
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Q2. Why this company (cnh)
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Q1. 1. Coding question related to Comparator. 2. Android Questions medium level. 3. Collection Framework Java. 4. OOPs concept related questions.
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Q1. Usual HR round for Relocation, Salary, etc. discussion.
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