RR kabel Graduate Engineer Trainee (Get) Interview Questions and Answers

Q1. Why havells and where do u see yourself after 20 years.
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Basic IQ questions very easy

Q1. Most of the questions from RAC and fluid mechanics side.
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Q2. What is 1 Tr of refrigeration What is Newtonian and non Newtonian fluid Psychometric chart Entropy/Enthalpy Second law of thermodynamics Design related questions also there if you have run software like s...read more
Ans. 
1 Tr of refrigeration is the amount of heat required to melt 1 ton of ice in 24 hours.
• 1 Tr of refrigeration is equal to 12,000 BTU/hr or 3.517 kilowatts.

• Newtonian fluids have constant viscosity, while non-Newtonian fluids have variable viscosity.

• Psychometric chart is a graphical representation of the thermodynamic properties of air-water mixtures.

• Entropy is a measure of the disorder or randomness in a system, while ent...read more
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Q3. Design related like 3D and 2D
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Q4. Basics and advanced commands in 3-D software
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Q5. Prepare your basics well from Thermal subject
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Q1. What are half wave and full wave rectifiers
Ans. 
Half wave and full wave rectifiers convert AC to DC, differing in efficiency and output waveform.
• Half Wave Rectifier: Uses one diode, allows only one half of AC waveform.

• Example: Simple power supply for low-power devices.

• Full Wave Rectifier: Uses two or four diodes, utilizes both halves of AC waveform.

• Example: More efficient power supply for higher power devices.

• Half wave produces pulsating DC, while full wave produces
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Q2. How can you filter a signal with ripples
Ans. 
Filtering signals with ripples involves using techniques to reduce unwanted oscillations while preserving desired signal characteristics.
• Use a low-pass filter to attenuate high-frequency ripples while allowing low-frequency signals to pass.

• Apply a moving average filter to smooth out rapid fluctuations in the signal.

• Consider using a Butterworth filter for a smooth frequency response with minimal ripples.

• Employ a Kalman ...read more
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Q1. Techincal + aptitude ,tecnical gate previous bits level bits
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Q1. Self intro and all basic questions
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Q1. Relocate ,and basic
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Descriptive test, Electric circuits, C, Apptitude basics.

Q1. BTech project and explanation.
Ans. 
My BTech project was on developing a smart irrigation system using IoT technology.
• The project aimed to optimize water usage in agriculture by using sensors to detect soil moisture levels and weather conditions.

• The system would then automatically adjust the amount of water delivered to the crops through a network of valves and pumps.

• I used Arduino boards and Raspberry Pi for the hardware, and programmed the system using...read more
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Q2. Electric machines, power electronics
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Q1. Techincal + aptitude ,tecnical gate previous bits level bits
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Q1. Self intro and all basic questions
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Q1. Relocate ,and basic
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Q1. Single phase motors
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General topics - trending

Its a mn online aptitude test comprising of 30 aptitude questions and 30 technical questions in total 60 questions.
The technical question background depends upon your stream like [EEand EC , ME]
The time is give of 60min to complete the test.

Q1. The interviwer asked me about myself and my family background and that's it. He asked nothing else more than that as I am from EC stream I expected some of the basic electronics questions.
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