Mahle Anand Thermal Systems Trainee Operating Engineer Interview Questions and Answers

Q1. What is lvdt in instrumentation
Ans. 
LVDT stands for Linear Variable Differential Transformer, a type of sensor used in instrumentation to measure linear displacement.
• LVDT is a type of inductive sensor that converts linear motion into an electrical signal.

• It consists of a primary coil and two secondary coils wound on a hollow tube, with a movable core inside.

• The output voltage of the LVDT is proportional to the displacement of the core.

• LVDTs are commonly ...read more
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Q1. Compuny work and department Questions
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Q1. Tool room Releted
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Q2. Polytechnic documents
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On the ureka app basic question
Quantitative aptitude

Q1. Need of suspension
Ans. 
Suspension is needed to support heavy loads and provide stability in various types of machinery and equipment.
• Suspension helps to absorb shocks and vibrations, reducing wear and tear on the equipment.

• It allows for better traction and control, especially in rough or uneven terrain.

• Suspension also helps to maintain proper alignment of components and prevent damage from excessive movement.

• Examples include suspension syste
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Q2. Gauges and its types
Ans. 
Gauges are instruments used to measure and display various parameters. Types include pressure gauges, temperature gauges, and fuel gauges.
• Pressure gauges measure the pressure of gases or liquids in a system.

• Temperature gauges measure the temperature of a system or environment.

• Fuel gauges measure the level of fuel in a tank or container.

• Other types of gauges include vacuum gauges, flow gauges, and level gauges.
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Q3. What is tolerance and how to calculate tolerance?
Ans. 
Tolerance is the acceptable range of variation in a measurement or dimension.
• Tolerance is the maximum and minimum limit within which a measurement or dimension must fall to be acceptable.

• Tolerance is usually specified in engineering drawings to ensure proper fit and function of parts.

• To calculate tolerance, subtract the minimum limit from the maximum limit. For example, if the maximum limit is 10 and the minimum limit
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Q4. Go and no go gauges
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Self introduction of every person

Math, physics, biology

Q1. What is Hookes law?
Ans. 
Hookes law states that the force needed to extend or compress a spring by some distance is proportional to that distance.
• Hookes law is a principle of physics that states the force needed to extend or compress a spring by some distance is directly proportional to that distance.

• The formula for Hookes law is F = kx, where F is the force applied, k is the spring constant, and x is the displacement of the spring from its eq...read more
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Q2. Difference between ic and ec engine?
Ans. 
IC engines are internal combustion engines where fuel is burned internally, while EC engines are external combustion engines where fuel is burned externally.
• IC engines have combustion happening inside the engine, while EC engines have combustion happening outside the engine.

• Examples of IC engines include gasoline engines and diesel engines, while examples of EC engines include steam engines and Stirling engines.

• IC engi...read more
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Q3. Types of welding?
Ans. 
Types of welding include MIG, TIG, stick, and flux-cored welding.
• MIG welding uses a wire electrode and shielding gas to create a strong bond.

• TIG welding uses a tungsten electrode and inert gas for precise and clean welds.

• Stick welding uses a consumable electrode coated in flux to create a strong bond.

• Flux-cored welding uses a tubular wire filled with flux for outdoor and windy conditions.
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Q1. What is 5S? And describe it's
Ans. 
5S is a methodology used for organizing and maintaining a clean, efficient, and safe work environment.
• Sort: Separate necessary items from unnecessary items.

• Set in order: Arrange necessary items in a logical and efficient manner.

• Shine: Clean and inspect the work area regularly.

• Standardize: Establish standards and procedures for maintaining the first three S's.

• Sustain: Ensure the 5S system is consistently followed and im...read more
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Q2. What is welding?
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Welding is a process of joining two or more pieces of metal together by melting and fusing them.
• Welding involves using heat to melt the base metal and a filler material to create a strong joint.

• Common welding techniques include arc welding, MIG welding, TIG welding, and spot welding.

• Welding is used in various industries such as construction, automotive, aerospace, and manufacturing.

• Proper safety precautions must be tak
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Q1. Introduction only
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Q1. Just basic technical knowledge
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Q1. What is your family background?
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Q2. Tell me about yourself.
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Q1. About your branch related questions
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