AVTEC Graduate Engineer Interview Questions and Answers

Q1. What is stress and strain?
Ans. 
Stress is the force applied to a material, while strain is the resulting deformation or change in shape.
• Stress is the external force acting on an object, measured in units like Newtons per square meter (N/m^2) or Pascals (Pa).

• Strain is the measure of deformation or change in shape of a material due to stress, expressed as a ratio or percentage.

• Example: When you stretch a rubber band (apply stress), it elongates (strain
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Q1. Technical programming questions, electronics basic questions, networking basic questions
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Q1. 1.Difference between 1st angle &3rd angle projection 2.Stress strain graphs for different materials 3. Material properties etc
Ans. 
1st angle and 3rd angle projection differ in the placement of the object and the observer in relation to the projection plane.
• 1st angle projection places the object in front of the projection plane, while 3rd angle projection places the object behind the projection plane.

• In 1st angle projection, the observer views the object from the opposite side of the projection plane, while in 3rd angle projection, the observer vie...read more
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Q1. Verbal and communication skills Introduction, Educational qualification etc
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Q1. Regarding projects did un college days and core technical queations
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Q1. Speak 5 minutes on your final year project
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Q2. What is young's modulus and ultimate tensile strength? And what are their SI units?
Ans. 
Young's modulus is a measure of stiffness of a material while ultimate tensile strength is the maximum stress a material can withstand.
• Young's modulus is the ratio of stress to strain in a material under tension or compression.

• Ultimate tensile strength is the maximum stress a material can withstand before breaking.

• Young's modulus is measured in pascals (Pa) while ultimate tensile strength is measured in newtons per squ
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Q3. When selecting a material what are the properties you take into consideration?
Ans. 
Properties considered when selecting a material
• Strength and durability

• Thermal conductivity

• Electrical conductivity

• Corrosion resistance

• Cost

• Availability

• Environmental impact
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Q4. What is meant by enthalpy?
Ans. 
Enthalpy is the sum of internal energy and the product of pressure and volume.
• Enthalpy is a thermodynamic property of a system.

• It is represented by the symbol 'H'.

• It is defined as the sum of internal energy and the product of pressure and volume.

• Enthalpy change is the difference between the enthalpies of the products and reactants in a chemical reaction.

• Enthalpy is used in various fields including chemistry, physics, a
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Basic questions related to mathematics and technical questions from engineering background.

Q1. Technical questions from mechanical engineering and subjects that we studied in engineering.
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Q2. Material science questions
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Q3. Question related to GD&T
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Q4. Questions on lean manufacturing
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Q1. Just basic introduction
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Q1. A average of 30 min technical round questions related to the post you applied for.
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