Jm Frictech DPT.Manager Interview Questions and Answers

What is ll dsing a ll and all stuff

Q1. Time complexity in hashmap
Ans. 
Time complexity of hashmap operations is O(1) on average, but can be O(n) in worst case scenarios.
• HashMap operations like get, put, and remove have constant time complexity O(1) on average due to hashing.

• In worst case scenarios, when there are many collisions, time complexity can degrade to O(n) where n is the number of elements in the hashmap.

• Hashing function quality and load factor affect the time complexity of hashm
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Q2. Why this company what are your ambitions
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Q1. DSA question on the technical based
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Q2. Same another one is DSA algorithm question
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Q1. What means the General tolerances
Ans. 
General tolerances refer to the acceptable range of variation in dimensions or properties of a part or product.
• General tolerances are typically specified in engineering drawings to ensure parts fit and function properly.

• They are usually expressed as a range of acceptable values, such as +/- 0.1mm.

• Tolerances can vary depending on the specific requirements of the part or product.

• Examples of general tolerances include dim...read more
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Q2. What is the material for wheel, Pin
Ans. 
The material for wheel is typically rubber or plastic, while the material for pin is usually metal such as steel or aluminum.
• Wheel material is commonly rubber or plastic for flexibility and durability

• Pin material is usually metal like steel or aluminum for strength and stability
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Q3. What are the grades of Hardwares like Screw, nut washer
Ans. 
Hardware grades are typically classified based on material composition, strength, and corrosion resistance.
• Hardware grades are often denoted by a combination of letters and numbers, such as Grade 8.8 or Grade 316.

• Higher grade numbers generally indicate a higher tensile strength or corrosion resistance.

• Common grades for screws include Grade 2, Grade 5, and Grade 8, with Grade 8 being the strongest.

• For nuts and washers, ...read more
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Q4. How to calculate motor power
Ans. 
Motor power can be calculated using the formula: Power (W) = Torque (Nm) x Speed (RPM) / 9.548
• Calculate the torque required for the application

• Determine the speed at which the motor will operate

• Use the formula Power (W) = Torque (Nm) x Speed (RPM) / 9.548 to calculate motor power
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Q5. How welds are considered
Ans. 
Welds are critical in design engineering for joining metal components together.
• Welds must be strong enough to withstand the intended load and stress.

• Proper welding techniques and materials must be used to ensure the integrity of the weld.

• Inspections and testing should be conducted to verify the quality of the weld.

• Consideration should be given to factors such as joint design, welding process, and material compatibility...read more
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Q1. 1) Hydraulics details
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Q2. GD&T explain, the difference between different GD&T
Ans. 
Geometric Dimensioning and Tolerancing (GD&T) is a system for defining and communicating engineering tolerances.
• GD&T is a system used to define and communicate engineering tolerances for manufacturing processes.

• Different GD&T symbols include position, concentricity, profile, perpendicularity, and parallelism.

• Each GD&T symbol has a specific meaning and is used to control different aspects of a part's geometry.

• For exampl...read more
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Q1. What was your past experience?
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Q2. What is your salary expectations?
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Q3. What was your previous salary drawn?
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Q1. Do you about our company?
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Q2. What was your college project?
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Q3. Tell me how you sell in previous company?
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Q4. Pressure/ Strength/Stress
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General Aptitude Questions

Q1. Engineering Basics for Freshers
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Q2. Industry Questions for experienced
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Q1. Technical Questions on the respective engineering dept
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Q1. Salary Discussion & Work policies
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Q1. Technical tool test on Nx or Catia
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Q1. Tell about personal and some design related technical question
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Q2. Type of clamp and locator Type of checking fixture
Ans. 
The type of clamp and locator used in a checking fixture depends on the specific application and requirements.
• The clamp and locator should be chosen based on the part being checked and the desired level of accuracy.

• Common types of clamps include toggle clamps, pneumatic clamps, and hydraulic clamps.

• Locators can be pins, blocks, or other features that ensure proper positioning of the part.

• The checking fixture may also i...read more
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Q1. Personal interrogation
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