DRiV Interview Questions and Answers

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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Q1. What is polymorphism
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Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types or classes.

• Examples include method overloading and method overriding in object-oriented programming.
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Q2. Find missing number from nth number array.
Ans. 
Find missing number from nth number array.
• Iterate through the array and calculate the sum of all numbers

• Calculate the sum of numbers from 1 to n using the formula n*(n+1)/2

• Subtract the sum of array from the sum of numbers from 1 to n to find the missing number
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Q3. Explain inheritance and it types
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Inheritance allows a class to reuse code from another class.

• Types of inheritance include single inheritance, where a class inherits from only one parent class, and multiple inheritance, where a class inherits from multiple parent classes.

• Example: Class B inherits from Class A, so Class B can access
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Q4. Find 2nd max elements from aaray
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Find 2nd max element from array of strings
• Sort the array in descending order

• Skip the first element (max element)

• Return the second element
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Q1. Normal Distribution function
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Q2. Probability, expected values
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Dynamic programming 3-4 ques

Recursion, DP, Logic building

Q1. HR asked about my experience, how I work with current team, whether you worked on KMP already. HR also asked 2-3 technical questions like HashSet manipulation, Android activity lifecycle and hashcode in J...read more
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Q1. How do you deal with managing your task?
Ans. 
I prioritize tasks based on urgency and importance, delegate when necessary, and regularly communicate with team members to ensure tasks are completed efficiently.
• Prioritize tasks based on urgency and importance

• Delegate tasks when necessary

• Regularly communicate with team members to ensure tasks are completed efficiently
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