L&T Sargent & Lundy Mechanical Engineer Interview Questions and Answers

It was good, but a bit tricky

Q1. What is the damped frequency response of a vibrating spring mass system
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Q2. Why do you want the job
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Q1. What about power plant
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Q1. Specifiacation of machinery
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Specification of machinery refers to the detailed requirements and characteristics of a machine or equipment.
• Includes dimensions, materials, performance criteria, and safety features

• Should be clearly defined to ensure proper design and functionality

• Examples: maximum load capacity, operating temperature range, power consumption
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Q2. Schedule maintenance interval
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Q1. What is first angle projection
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First angle projection is a method of creating engineering drawings where the object is projected onto a plane in front of it.
• In first angle projection, the object is placed in the first quadrant of the viewing plane.

• The object is projected onto the plane from the perspective of the object looking towards the plane.

• Commonly used in Europe and Asia, while third angle projection is more common in the United States.

• Helps ...read more
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Q2. First law of thermodynamics
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The first law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted.
• Energy can be transferred between systems or converted from one form to another.

• The total energy in a closed system remains constant.

• Mathematically expressed as: ΔU = Q - W, where ΔU is the change in internal energy, Q is heat added to the system, and W is work done by the system.

• Example: When a gas is compr...read more
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Q3. What is entropy
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Entropy is a measure of disorder or randomness in a system.
• Entropy is a thermodynamic property that increases with the amount of disorder in a system.

• It is a measure of the unavailable energy in a closed thermodynamic system that is also usually considered to be a measure of the system's disorder.

• Entropy can be thought of as a measure of the number of specific ways in which a system may be arranged, often interpreted a...read more
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Q1. Telme about your self
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Q2. I includeding adjectives like problem solving innovation creativity quick
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Q1. Are you know the batching plant erection and how many years of experience
Ans. 
Yes, I have experience in batching plant erection for 3 years.
• I have worked on the erection of batching plants for 3 years

• I am familiar with the process of setting up and installing batching plants

• I have experience in troubleshooting and maintenance of batching plants

• I have knowledge of the safety protocols and regulations related to batching plant erection
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Q2. Yes and 5 years above are preferred
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Q1. Why you are quite the present company
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Q2. Professional growth and working culture
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Q1. Types of air conditioning
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Types of air conditioning include central air conditioning, window units, split systems, and portable units.
• Central air conditioning: cools the entire house through ducts and vents

• Window units: installed in windows and cool a single room

• Split systems: have components both inside and outside the home

• Portable units: can be moved from room to room and do not require installation
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Q2. Bernouli equation
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