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Liebherr Design Engineer Interview Questions, Process, and Tips
Liebherr Design Engineer Interview Experiences
1 interview found
Anonymous
(5 Questions)
- 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...
- 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
- 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, ...
- 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
- 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...
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I was interviewed in Nov 2024.
(4 Questions)
- Q1. Wind calculation as per IS code
- Ans.
The procedure for wind calculation as per IS code involves determining the design wind speed, selecting the appropriate terrain category, and calculating the wind pressure.
Determine the design wind speed based on the location and height of the structure.
Select the appropriate terrain category (rural, urban, etc.) as per IS code guidelines.
Calculate the wind pressure using the formula provided in the IS code.
Consider fa...
- Q2. SFD and BMD of cantilever beam
- Q3. Staad model for fixed pole
- Ans.
A STAAD model for a fixed pole is a structural analysis and design model used to determine the stability and strength of a pole that is fixed in place.
In a STAAD model for a fixed pole, the pole is typically modeled as a vertical member with fixed supports at the base.
The model considers factors such as wind loads, dead loads, and any other relevant loads that may act on the pole.
The analysis helps in determining the s...
- Q4. Design of Square base plate
- Ans.
Key considerations in designing a square base plate
Ensure the base plate is large enough to support the load without excessive deflection
Select appropriate material and thickness to meet structural requirements
Consider the connection details for attaching the base plate to the structure
Account for any potential corrosion or environmental factors that may affect the base plate
Include provisions for anchor bolts or other...
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I applied via Recruitment Consulltant and was interviewed in Sep 2024. There was 1 interview round.
(2 Questions)
- Q1. Allowable stress values for tension, compression and shear?
- Ans.
Allowable stress values vary depending on the material and type of loading (tension, compression, shear).
Allowable stress values are typically provided by material specifications or codes.
For example, for structural steel in tension, the allowable stress might be around 0.6 times the yield strength.
In compression, the allowable stress might be lower than in tension due to buckling considerations.
For shear, the allowabl...
- Q2. Which crane standard used for designing?
- Ans.
The crane standard commonly used for designing is ASME B30.2.
ASME B30.2 is a widely recognized standard for designing cranes
It provides guidelines for the design, inspection, testing, maintenance, and operation of cranes
Other standards like ISO 4301 and CMAA also used in crane design
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.
(1 Question)
- Q1. Basic questions about closures
Selected
I applied via Job Portal
(1 Question)
- Q1. Previous experience related. Personal information.
(1 Question)
- Q1. Design tools knowledge. Drafting knowledge. Company product understanding. Personality and personal qualities realated.
(1 Question)
- Q1. Remuneration discussion.
Interview Preparation Tips
(2 Questions)
- Q1. Experience in software
- Ans.
Extensive experience in various software applications and programming languages.
Proficient in programming languages such as Java, Python, and C++
Experience with software development tools such as Git, JIRA, and Jenkins
Familiarity with database management systems such as MySQL and MongoDB
Experience with web development frameworks such as React and Angular
Ability to learn and adapt to new software quickly
- Q2. Technical knowledge and skills
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I applied via Recruitment Consultant and was interviewed in Feb 2021. There was 1 interview round.
Interview Preparation Tips
Selected
(2 Questions)
- Q1. Stress Strain curve
- Q2. IS codes related to steel structures
(2 Questions)
- Q1. What is beam loading?
- Ans.
Beam loading refers to the distribution of forces and moments on a beam due to external loads.
Beam loading is the process of applying external loads to a beam, resulting in internal forces and moments within the beam.
Types of beam loading include point loads, distributed loads, and concentrated moments.
Examples of beam loading scenarios include a beam supporting a roof, a bridge carrying vehicles, or a shelf holding he
- Q2. Differnce beteen stress and pressure
(2 Questions)
- Q1. General discussion and software requirements
- Q2. Explain one difficulty you faced and solved successfully during new product development
- Ans.
During new product development, I faced the challenge of optimizing the design for manufacturability.
Identified potential manufacturing constraints early in the design process
Collaborated with manufacturing engineers to find solutions
Made design modifications to simplify manufacturing processes
Conducted thorough testing and validation to ensure manufacturability
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Liebherr Design Engineer Interview Process
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