ASML Mechanical Engineer Interview Questions and Answers

Q1. WHAT COVERS YOUR INTEREST IN MOLEX AND PRODUCTS
Ans. 
I am interested in Molex and its products because of their innovative technology and impact on various industries.
• Innovative technology used in Molex products

• Impact of Molex products on various industries

• Opportunities for growth and learning at Molex

• Strong reputation and history of success
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Q2. SUBJECTS RELATED TO MOLDING AND CAST PRODUCTS
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Q1. Material required for shaft,gear,pully manufacturing?
Ans. 
The materials required for shaft, gear, and pulley manufacturing include metals such as steel, cast iron, and aluminum.
• Shafts are commonly made from steel due to its strength and durability.

• Gears can be manufactured from materials like cast iron, steel, or even plastic depending on the application.

• Pulleys are often made from aluminum or steel, with steel being preferred for heavy-duty applications.

• Other materials like ...read more
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Q2. Different types of direction control valve?
Ans. 
Direction control valves are used to control the flow of fluid in a hydraulic or pneumatic system.
• Solenoid-operated directional control valve

• Manual directional control valve

• Pilot-operated directional control valve

• Proportional directional control valve

• Check valve
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Q3. Mechanical engineering drawing?
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Q4. What is sequence valve?
Ans. 
A sequence valve is a type of pressure control valve that opens and allows flow when a set pressure is reached.
• Sequence valves are used to ensure a specific sequence of operations in hydraulic systems.

• They are typically used in applications where multiple hydraulic cylinders need to be actuated in a specific order.

• When the pressure in the system reaches the set pressure of the sequence valve, it opens and allows flow t...read more
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Reasoning & Engineering knowledge.

Q1. Engineering Thermodynamics
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Q2. Engineering mechanics
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Engineering subjects

Q1. WHAT COVERS YOUR INTEREST IN MOLEX AND PRODUCTS
Ans. 
I am interested in Molex and its products because of their innovative technology and impact on various industries.
• Innovative technology used in Molex products

• Impact of Molex products on various industries

• Opportunities for growth and learning at Molex

• Strong reputation and history of success
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Q2. SUBJECTS RELATED TO MOLDING AND CAST PRODUCTS
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Basic level reasoning and simple math

Q1. Hoop stress Heat exchanger depth Critical radius of insulation And some basic som questions
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Q2. 3-d printer discussion
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Q3. Major project discussion
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Q4. Defination of stress
Ans. 
Stress is the force per unit area that a material experiences when subjected to an external load.
• Stress is a measure of the internal forces within a material.

• It is calculated as force per unit area.

• Stress can cause deformation or failure of a material.

• There are different types of stress, such as tensile, compressive, and shear stress.

• Examples of stress include the weight of a book on a table, the force applied to a bri...read more
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Q1. Situation based questions
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Q2. Stress strain Curve of aluminium
Ans. 
Aluminium stress strain curve shows its elastic and plastic deformation behavior under stress.
• Aluminium has a linear elastic region up to a certain point, beyond which it undergoes plastic deformation.

• The yield strength of aluminium is around 40-90 MPa.

• Ultimate tensile strength of aluminium is around 90-200 MPa.

• Aluminium has a low modulus of elasticity compared to steel.

• The stress strain curve of aluminium can be affec...read more
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Q3. Design a chair for a class
Ans. 
Designed a chair for a class that is comfortable, durable, and ergonomic.
• Consider the height of the desk and the average height of the students

• Use materials that are sturdy and easy to clean

• Incorporate lumbar support and adjustable features for comfort

• Add armrests for additional support

• Ensure the chair has a non-slip base for safety
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Q4. What applied do and how your study make change into this
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Q5. Basic laws of thermodynamics
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Basic laws of thermodynamics
• First law: Energy cannot be created or destroyed, only transferred or converted

• Second law: Entropy of a closed system always increases over time

• Third law: Absolute zero cannot be reached

• Examples: car engine, refrigerator, power plant
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Q6. How we cool a pipe in a chamber without using coolent
Ans. 
Cooling a pipe in a chamber without coolant
• Use natural convection by placing the pipe vertically and allowing air to circulate around it

• Use a heat sink to absorb the heat from the pipe

• Use a thermoelectric cooler to create a temperature gradient and cool the pipe

• Use a phase change material to absorb the heat from the pipe

• Use a heat exchanger to transfer the heat from the pipe to a cooler fluid or gas

• Use a radiation shie
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Q7. What is micromaterials
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Micromaterials refer to materials with microscale dimensions, typically less than 100 micrometers.
• Micromaterials have unique properties due to their small size, such as increased surface area to volume ratio and altered mechanical, electrical, and optical properties.

• Examples of micromaterials include microelectromechanical systems (MEMS), microfluidic devices, and microscale sensors.

• Research in micromaterials has appli...read more
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Q8. What we need to do if pressure valve fail in boiler
Ans. 
If pressure valve fails in boiler, shut down the boiler immediately and isolate it from the system.
• Shut down the boiler immediately to prevent any further damage.

• Isolate the boiler from the system to prevent any pressure build-up.

• Inspect the pressure valve to determine the cause of failure.

• Replace the pressure valve with a new one.

• Test the new pressure valve to ensure it is functioning properly before restarting the bo
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Q1. How you contribute with your knowledge in your society
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Q2. How you explore your college
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Q3. Condition where you show your team leader skills
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Q4. How you took you failmly member up in different field
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Q5. What is your extra skills except college study
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Q6. How you deal with a clients regarding which you don't know much
Ans. 
I research and gather information to understand the client's needs and requirements.
• Ask the client questions to gather more information

• Research and study the client's industry and field

• Consult with colleagues or experts in the field

• Provide regular updates to the client on progress and findings

• Be honest about limitations and seek help when needed
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Q7. Any feedback or queries
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