Don Bosco Tech Society
10+ Interview Questions and Answers
Q1. Explain any one of gear making method. What's the instructions about industrial safety?
One gear making method is hobbing, where a hobbing machine uses a cutting tool called a hob to cut teeth into a blank gear.
Hobbing is a common gear making method used in industries.
The hobbing machine rotates the blank gear while the hob cuts the teeth into it.
Hobbing is a precise and efficient method for producing gears with accurate tooth profiles.
Other gear making methods include milling, shaping, and grinding.
Industrial safety instructions include wearing appropriate pers...read more
Q2. What is the heat treatment processes? What are the different types of machine tools?
Heat treatment processes involve heating and cooling metals to alter their physical and mechanical properties. Machine tools are devices used to shape and cut materials.
Heat treatment processes include annealing, quenching, tempering, and case hardening
Machine tools include lathes, milling machines, drills, and grinders
Examples of heat treatment processes: annealing softens metal, quenching hardens it, tempering reduces brittleness, case hardening adds a hard outer layer
Examp...read more
Q3. What are the different types of lathe machines?
Different types of lathe machines include engine lathe, turret lathe, and CNC lathe.
Engine lathe: most common type, manually operated for general purpose machining
Turret lathe: automated tooling system for high volume production
CNC lathe: computer-controlled for precision and complex machining tasks
Q4. How to calculate taper angle in Lathe machine?
Taper angle in a lathe machine can be calculated using trigonometry and the formula: Taper angle = arctan((D1 - D2) / L)
Measure the diameter at the larger end of the taper (D1)
Measure the diameter at the smaller end of the taper (D2)
Measure the length of the taper (L)
Use the formula: Taper angle = arctan((D1 - D2) / L) to calculate the taper angle
Q5. What is ic engine and ec engine?
IC engine stands for internal combustion engine, which generates power by burning fuel inside the engine. EC engine stands for external combustion engine, which generates power by burning fuel outside the engine.
IC engine: Generates power by burning fuel inside the engine, examples include gasoline and diesel engines.
EC engine: Generates power by burning fuel outside the engine, examples include steam engines and Stirling engines.
Q6. Differentiate up milling and down milling
Up milling is when the cutter rotates against the direction of feed, while down milling is when the cutter rotates in the same direction as the feed.
In up milling, the chip thickness decreases from the start of the cut to the end, while in down milling, the chip thickness increases.
Up milling is safer and produces a better surface finish, but down milling is more commonly used due to its lower cutting forces.
Examples: Up milling is used in finishing operations, while down mil...read more
Q7. How many types of garments you can make
I can make various types of garments including shirts, pants, dresses, skirts, and jackets.
Shirts
Pants
Dresses
Skirts
Jackets
Q8. Can you make gents shirt?
Yes, I can make gents shirt.
I have experience in sewing and stitching.
I can take measurements and cut fabric accordingly.
I can follow a pattern or create my own design.
I have knowledge of different types of fabrics and their properties.
I can add details such as buttons, collars, and cuffs.
I can ensure the shirt fits well and is comfortable to wear.
Q9. how to cope up with l3 tickets
Coping with L3 tickets involves prioritizing, collaborating with team members, seeking help when needed, and maintaining a positive attitude.
Prioritize tickets based on urgency and impact on users
Collaborate with team members to share workload and knowledge
Seek help from seniors or experts when stuck on a complex issue
Maintain a positive attitude and focus on problem-solving
Q10. what was learned in bachleors
Learned various programming languages, problem-solving skills, teamwork, and time management.
Studied programming languages such as Java, C++, and Python
Developed problem-solving skills through coding assignments and projects
Worked in teams on group projects to enhance collaboration and communication
Managed time effectively to balance coursework, projects, and extracurricular activities
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