TRIGO Group Interview Questions, Process, and Tips

Q1. What are MMC and LMC, Explain With Example?
Ans. 
MMC stands for Maximum Material Condition and LMC stands for Least Material Condition. They are used in Geometric Dimensioning and Tolerancing (GD&T) to specify the maximum and minimum limits of a part's dimensions.
• MMC is the condition where a part contains the maximum amount of material within the specified limits.

• LMC is the condition where a part contains the least amount of material within the specified limits.

• F...read more
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Q2. What is Layout Inspection ?
Ans. 
Layout inspection is a quality control process to verify dimensions, tolerances, and alignment of components or products.
• Ensures components or products are manufactured according to design specifications

• Involves measuring dimensions, angles, and alignments using tools like calipers, micrometers, and CMM machines

• Helps identify any deviations from the design that may affect product functionality or performance
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Q3. What is GD&T. What are the Symbols of GD&T.
Ans. 
GD&T stands for Geometric Dimensioning and Tolerancing. It is a system for defining and communicating engineering tolerances.
• GD&T is used to specify the allowable variations in form, size, and orientation of part features.

• Some common symbols used in GD&T include: Ø for diameter, ⌀ for circular runout, ⊥ for perpendicularity, and ∠ for angularity.

• GD&T helps ensure that parts fit together properly and fun...read more
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Q4. How do you select the instrument before Dimensional inspection of any Component ?
Ans. 
Selecting the right instrument for dimensional inspection involves considering the accuracy, precision, and type of measurement needed.
• Identify the specific dimensions and tolerances that need to be measured

• Consider the accuracy and precision required for the inspection

• Choose the appropriate instrument based on the type of measurement (e.g. calipers for linear measurements, micrometers for precise measurements)

• Ensure t...read more
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Q5. What is GD&T and what are the Symbols use in GD&T.
Ans. 
GD&T stands for Geometric Dimensioning and Tolerancing. It is a system for defining and communicating engineering tolerances.
• GD&T is used to specify the allowable variations in form, size, and orientation of part features.

• Symbols used in GD&T include: concentricity, position, profile, runout, perpendicularity, parallelism, etc.

• GD&T helps ensure parts are manufactured to the correct dimensions and tolera
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Q6. How do you select the instrument before Dimensional inspection of any Component.
Ans. 
Selecting the right instrument for dimensional inspection involves considering accuracy, precision, type of measurement, and calibration.
• Understand the specific requirements of the component being inspected

• Consider the accuracy and precision needed for the measurements

• Choose the appropriate type of instrument (e.g. calipers, micrometers, CMM)

• Ensure the instrument is properly calibrated before use

• Verify the instrument's...read more
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Technical questions related to engine

Q1. Technical questions related to engine
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Q2. What is engine?
Ans. 
An engine is a machine that converts fuel into mechanical energy to produce motion.
• Converts fuel into mechanical energy

• Produces motion

• Can be found in vehicles, machinery, and power generators
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Q3. What Six Sigma?
Ans. 
Six Sigma is a data-driven methodology used to improve processes by reducing defects and variations.
• Six Sigma aims to achieve near perfection in processes by identifying and eliminating causes of defects.

• It uses statistical analysis to measure and improve process performance.

• Six Sigma projects follow a structured approach known as DMAIC: Define, Measure, Analyze, Improve, Control.

• Organizations often use Six Sigma to in...read more
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Q4. Quality related questions
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Q5. Previous company experience
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Q1. Hose fault AC fault
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Q2. Hose babble hose cut hose tepper so many fault and AC fault coolent ,sencer,likege, so many fault
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Q3. Visually Hose fault ,Hose babble ,Hose cut, Hose tepper,Hose pin hole this type of Hose fault (Hose checking in caliper of diameter) Hole size front and back
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Q4. Visually AC mean fault,bus AC senser wire cut ,bus cover net loose,copreser not working, cable length sort,cable damage,AC cooling problem,
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Q1. Checking customer issue
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Q2. What you about hose pipe
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Q3. All my background question
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