IOT Engineering Projects Interview Questions and Answers

Q1. What is the working principle of an overload relay?
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Q2. How is insulation resistance measured?
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Q1. How to face Electrical safety
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Q2. What is the process for performing preventive maintenance on a motor?
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Q1. What strategies can you use to succeed in an interview?
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Q2. What is the working principle of a star-delta starter?
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Q1. What are undervoltage faults?
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Q2. What are overvoltage faults?
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Q1. What is the purpose of a thermal relay?
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Q2. What is an RDOL starter?
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Q1. I am krishna murthy p
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Q2. I am Instrested bmm ispat company one of the best company
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Q3. One opportunity given sir
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Q4. Electrical engineering
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Q5. I am name krishna murthy p i am stady diploma electrical engineering I am experience totally 8 years
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It was a technicaL + aptitude test with 60 minutes duration.

Q1. Basic questions regarding the projects that i have done.
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Q2. They asked me about my favourite subjects and then they asked some basic questions regarding those subjects.
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Q1. HR round in TCE is not an interview round rather it is a video assessment wherein we were given with two HR questions and we have to record a video answering the questions. maximum duration of the video sh...read more
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Q1. Highway related Questions
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Q2. Highway related
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Q1. Highway related Questions
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Q2. Highway related Questions
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Q1. Highway related Questions
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Basic questions of mechanical engineering

Q1. Mostly design related questions from strength of materials
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Topic : How AI influences engineering life

Q1. About steel structural construction
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Q2. About risk and mitigation
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Q3. Sub sea pipeline design
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Q1. Tell me about your self
Ans. 
I am a recent graduate with a degree in Mechanical Engineering and a passion for problem-solving and innovation.
• Recent graduate with a degree in Mechanical Engineering

• Passionate about problem-solving and innovation

• Experience with CAD software such as SolidWorks

• Completed internships at engineering firms
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Q2. What do you expect from company
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Q3. Where do you see yourself in 5 years
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Simple aptitude questions

This is a shortlisting round, and many technically knowledgeable individuals did not qualify for this stage.

Q1. Which flow system is more effective: countercurrent flow or concurrent flow, and what are the reasons for this?
Ans. 
Countercurrent flow is more effective due to increased concentration gradient and better utilization of resources.
• Countercurrent flow allows for a greater concentration gradient between the two fluids, leading to more efficient mass transfer.

• Countercurrent flow also allows for better utilization of resources as the fluids are in contact for a longer period of time.

• Concurrent flow, on the other hand, results in a lower ...read more
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Q2. What is the procedure for designing a heat exchanger?
Ans. 
The procedure for designing a heat exchanger involves determining heat transfer requirements, selecting appropriate materials, designing the geometry, and analyzing performance.
• Determine the heat transfer requirements based on the fluids involved, flow rates, temperatures, and desired heat transfer rate.

• Select appropriate materials for the heat exchanger based on compatibility with the fluids, operating conditions, and...read more
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Q1. What is Sheetmetal?
Ans. 
Sheetmetal is a type of metal formed into thin and flat pieces, commonly used in manufacturing for creating various products.
• Sheetmetal is a thin and flat metal material that can be easily bent, cut, and formed into different shapes.

• It is commonly used in manufacturing processes for creating products such as car bodies, aircraft wings, HVAC ductwork, and household appliances.

• Sheetmetal fabrication involves processes li...read more
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Q2. Had discussion more than 10 minutes on package only out of 30 minutes.
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Q3. What are the sheetmetal operation?
Ans. 
Sheetmetal operations are processes used to manipulate sheetmetal into desired shapes and forms.
• Bending: Folding the sheetmetal along a straight axis to create angles or curves.

• Cutting: Removing excess material from the sheetmetal to achieve the desired shape.

• Punching: Creating holes or other cutouts in the sheetmetal using a punch and die set.

• Forming: Shaping the sheetmetal into complex curves or contours using specia...read more
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Q4. Explain your one sheetmetal project in detail.
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Q5. Question on IP rating.
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If everyone is cheating you should also do it?

Q1. Everyhting about project..
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Q2. Linear vs logistic regression
Ans. 
Linear regression is used for continuous variables, while logistic regression is used for binary outcomes.
• Linear regression is used to predict a continuous outcome based on one or more input variables.

• Logistic regression is used to predict the probability of a binary outcome based on one or more input variables.

• Linear regression assumes a linear relationship between the independent and dependent variables, while logist...read more
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Q3. Normalization in dbms
Ans. 
Normalization in DBMS is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Normalization involves breaking down data into smaller, more manageable tables and establishing relationships between them.

• It helps in reducing data redundancy, minimizing data anomalies, and improving data consistency.

• There are different normal forms such as 1NF, 2NF, 3NF, BCNF, and 4NF, each with spec...read more
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Q4. List array difference etc
Ans. 
Array difference is finding the elements that are present in one array but not in another.
• Use set operations like difference to find elements in one array but not in another.

• Example: arr1 = ['a', 'b', 'c'], arr2 = ['b', 'c', 'd'], arr_diff = set(arr1) - set(arr2) = ['a']
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