Shanghai Electric Group Interview Questions and Answers

Q1. Type of Engineering Drawings
Ans. 
Engineering drawings can be categorized into different types based on their purpose and content.
• Types of engineering drawings include assembly drawings, detail drawings, schematic diagrams, and blueprints.

• Assembly drawings show how different parts fit together to create a final product.

• Detail drawings provide specific dimensions and specifications for individual components.

• Schematic diagrams illustrate the electrical o...read more
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Q2. What are the different types of views in engineering drawings?
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Different types of views in engineering drawings include orthographic, isometric, and perspective views.
• Orthographic views show the object from different angles (top, front, side)

• Isometric views show the object in 3D with all three dimensions equally foreshortened

• Perspective views show the object as it appears to the eye with depth and foreshortening
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Q3. What are the different types of bearings used in mechanical applications?
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Different types of bearings used in mechanical applications include ball bearings, roller bearings, plain bearings, and fluid bearings.
• Ball bearings: used for low friction applications, commonly found in wheels and conveyor belts

• Roller bearings: used for heavy radial loads, commonly found in automotive applications

• Plain bearings: simple design with no rolling elements, commonly used in sliding applications

• Fluid bearing...read more
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Q4. What are the different types of hydraulic valves and their applications?
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Hydraulic valves control the flow and pressure of hydraulic fluid in a system, with various types for different applications.
• Directional control valves: control the direction of fluid flow in a hydraulic system

• Pressure control valves: regulate the pressure of the hydraulic fluid

• Flow control valves: manage the flow rate of the hydraulic fluid

• Check valves: allow fluid flow in one direction only

• Relief valves: protect the ...read more
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Q5. What are the components of hydraulic valves?
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Hydraulic valves consist of components such as valve body, spool, actuator, and control mechanism.
• Valve body: main housing that contains the internal components of the valve

• Spool: moves within the valve body to control the flow of hydraulic fluid

• Actuator: component that converts hydraulic pressure into mechanical motion

• Control mechanism: regulates the operation of the valve
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Q6. Why are second angle and third angle projections not used in engineering drawings?
Ans. 
Second and third angle projections are not used in engineering drawings due to standardization and simplicity.
• First angle projection is the standard method used in engineering drawings worldwide.

• Second and third angle projections are less common and can lead to confusion for those not familiar with them.

• Using multiple projection methods can complicate the design process and increase the likelihood of errors.

• Standardiza...read more
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Q7. 7Qc Tools used
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7QC tools are used for quality control and process improvement in compliance analysis.
• Check sheets

• Pareto charts

• Cause-and-effect diagrams

• Histograms

• Scatter diagrams

• Control charts

• Flowcharts
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Q8. What are the types of bolts and nuts, and what is the significance of pitch in bolts?
Ans. 
Types of bolts and nuts include hex bolts, carriage bolts, and wing nuts. Pitch in bolts refers to the distance between threads.
• Types of bolts: hex bolts, carriage bolts, eye bolts, etc.

• Types of nuts: hex nuts, wing nuts, lock nuts, etc.

• Pitch in bolts refers to the distance between threads on the bolt.

• Pitch is measured in threads per inch (TPI) or millimeters (mm).
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Q1. Kone instlater (TA) mod job
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Q2. I m intrest in job work exprance is Abal abal
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Q3. Thes is a smart elavoter and the way safety from clound
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Q4. I m 5 year exprance and I plajer my work
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Q1. Mostly they enquired on current role and experiences which is match with requirements position or not
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Q2. They test how you expertise in engine testing and understanding of simualation analysis in term of VV and design understanding DVP development
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Q3. Use of Data analytics software like diadem, Matlab, AVl Concerto, project planing and execution level
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Q1. Salary expectation and benefits usually they discuss for negotiations
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Q1. Senior management round. They usually ask about previous experiences and project handled? Moderate technical question
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There were 4 sections and first one was quant, second one was logical, third was English and finally 3 coding questions in last section

4 codes and 5 technical questions

Q1. Explain multi threading
Ans. 
Multi threading is the ability of a CPU to execute multiple threads concurrently.
• Allows for parallel execution of tasks, improving performance

• Each thread has its own stack and runs independently

• Threads can communicate and synchronize using shared memory

• Examples: running multiple tasks simultaneously in a web server, processing data in parallel
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Q2. What is polymorphism
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Polymorphism is the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types.

• Examples include method overloading and method overriding in object-oriented programming.
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Q3. Diff b/w inner and outer joins
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Inner join returns only the rows that have matching values in both tables, while outer join returns all rows from both tables.
• Inner join: returns rows with matching values in both tables

• Outer join: returns all rows from both tables, with NULL values where there is no match

• Example: Inner join - SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id

• Example: Outer join - SELECT * FROM table1 LEFT OUTER JOIN table
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Q1. Basic Gate Level Questions.
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Q2. Aptitude questions.
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Q1. HVAC system design
Ans. 
Key considerations in HVAC system design include load calculation, equipment selection, ductwork design, and energy efficiency.
• Performing accurate load calculations to determine heating and cooling requirements

• Selecting appropriate HVAC equipment based on the load calculations and building requirements

• Designing efficient ductwork layout to ensure proper air distribution

• Considering energy efficiency measures such as hig...read more
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Q2. Questions on pipe flow and bernoulii principle
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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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Q1. Question related to project,in detail prodecure we hav eto explain .
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Q2. Basic question related to jd.
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Q3. Be thorough with the project.
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Q4. Questions might expect on resume.
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Q5. Very friendly ,accepts excues some times to if there is any health issues.
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Q1. It was an algorithm question which I had to code in 30 minutes
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Q2. Java/Spring related questions were asked
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They asked me about my current project and asked me to design a system similar to that