Shanghai Tunnel Engineering Interview Questions and Answers

Q1. Your self and work experience.
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Q2. How can improve inventory of material and vendor development.
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Q3. Please tell us about your experience with previous employer.
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Q1. How can manage inventory.
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Q2. If vendor denied to provide material due to delay payment. What should we take action immediately.
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Q1. Deatails about site management
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General reasoning questions

Q1. Tell me about your self
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I am a dedicated and detail-oriented mechanical engineer with a passion for problem-solving and innovation.
• Graduated with a degree in Mechanical Engineering from XYZ University

• Completed internships at ABC Company and gained hands-on experience in designing and testing mechanical systems

• Proficient in CAD software such as SolidWorks and AutoCAD

• Strong analytical skills and ability to troubleshoot complex mechanical issues

• ...read more
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Q1. Comparison ratio diesel engine
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Comparison ratio in a diesel engine refers to the ratio of the volume of the combustion chamber when the piston is at the bottom of its stroke to the volume when the piston is at the top of its stroke.
• Comparison ratio is a key factor in determining the efficiency and performance of a diesel engine.

• Higher compression ratios typically result in better fuel efficiency and power output.

• Common diesel engine comparison ratio...read more
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Q2. Tell me about piston ring why they use
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Piston rings are used in engines to seal the gap between the piston and cylinder wall, preventing leakage of combustion gases and oil.
• Piston rings create a seal between the piston and cylinder wall to prevent leakage of combustion gases and oil

• They help maintain compression within the combustion chamber

• Piston rings also aid in heat transfer from the piston to the cylinder wall

• They reduce friction between the piston and
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Q3. P-V ,T--S diagram otto dual diesel
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P-V and T-S diagrams are used to analyze the thermodynamic processes in Otto and Diesel engines.
• P-V diagram shows the pressure-volume relationship during the engine cycle.

• T-S diagram shows the temperature-entropy relationship during the engine cycle.

• Otto cycle is used in gasoline engines while Diesel cycle is used in diesel engines.

• Both cycles consist of four processes: intake, compression, power, and exhaust.

• The effic...read more
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Normal question like current affairs, gs and Engineering related questions

Q1. 1. Introduction 2.why should I hired you Why you leave previous company
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Q1. In technical interview Approx 70-80 questions asks like 1.piston ring 2. Fins 3 p-v digram diesel,otto cycle 4.engine related questions more than 20-25 .. 5. Etc....
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