Susaha International Junior Research Scientist Interview Questions and Answers

Q1. Gate level questions
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Q2. Core subjects related questions
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Mostly given scenario

Q1. How u will estimate a precise location of target when someone thing has to drop from fighter plane..?
Ans. 
Estimate target location by considering altitude, speed, wind direction, and gravity.
• Consider the altitude of the fighter plane

• Factor in the speed of the fighter plane

• Take into account the wind direction and speed

• Calculate the effect of gravity on the object being dropped

• Use mathematical formulas and simulations to estimate the precise location
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Q2. What kind of structure failures generally occurs in moving aircraft, if design is not perfect. ?
Ans. 
Structural failures in moving aircraft due to imperfect design include fatigue cracks, material failure, and aerodynamic instability.
• Fatigue cracks can occur in high-stress areas of the aircraft structure, leading to catastrophic failure if not detected and repaired.

• Material failure can result from using substandard materials or improper manufacturing processes, compromising the structural integrity of the aircraft.

• Aer...read more
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Q1. Organic and inorganic compound
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Q1. Types of bearing & their uses.
Ans. 
Bearings are mechanical components that reduce friction between moving parts, enhancing efficiency and performance in various applications.
• 1. Ball Bearings: Used in electric motors and bicycles for smooth rotation.

• 2. Roller Bearings: Common in heavy machinery and automotive applications for load support.

• 3. Thrust Bearings: Designed to handle axial loads, used in gearboxes and turbines.

• 4. Magnetic Bearings: Used in high...read more
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Q2. Types of valves & their uses
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Valves control fluid flow in various applications, each type serving specific functions in systems.
• Gate Valve: Used for on/off control, ideal for high-pressure applications.

• Globe Valve: Provides good throttling capability, commonly used in flow regulation.

• Ball Valve: Offers quick shut-off, widely used in plumbing and gas applications.

• Butterfly Valve: Lightweight and compact, suitable for large volume flow control.

• Check...read more
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Q3. Thermodynamics, positive displacement pumps, Reactors, distillation column etc
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Q1. Hydraulic working
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Q2. Pneumatic working
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Q3. Application of pneumatic press
Ans. 
A pneumatic press is a machine that uses compressed air to generate force for various applications.
• Pneumatic presses are commonly used in manufacturing for tasks such as stamping, punching, and forming metal sheets.

• They are also used in industries like automotive, aerospace, and electronics for assembly processes.

• Pneumatic presses offer advantages such as high speed, precision, and control over the force applied.

• Exampl...read more
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Q4. Previous experience explanation
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I have over 10 years of experience in senior executive roles, leading teams and driving strategic initiatives.
• Led cross-functional teams to successfully launch new products

• Developed and implemented strategic plans to drive business growth

• Managed budgets and financial performance to meet or exceed targets
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Q5. 5s and TPM question
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Q1. What us nitration process?
Ans. 
Nitration process is a chemical reaction that involves the introduction of a nitro group into an organic compound.
• It is commonly used in the production of explosives, dyes, and pharmaceuticals.

• The process involves the use of nitric acid and sulfuric acid as reagents.

• The nitro group (-NO2) is introduced into the organic compound by replacing a hydrogen atom.

• The reaction is exothermic and can be dangerous if not properly...read more
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Q2. Difference between unit operation and unit process
Ans. 
Unit operation is a single step in a process while unit process is a series of operations to achieve a specific goal.
• Unit operation is a basic step in a chemical process like distillation, filtration, etc.

• Unit process is a series of unit operations that are combined to achieve a specific goal like refining crude oil into gasoline.

• Unit operations are often used in multiple processes while unit processes are specific to ...read more
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Q1. What is the basics of tpm
Ans. 
TPM stands for Total Productive Maintenance, a system of maintaining and improving the integrity of production and quality systems.
• TPM focuses on proactive and preventative maintenance to maximize equipment effectiveness.

• It involves empowering operators to take ownership of equipment maintenance.

• TPM aims to eliminate breakdowns, defects, and accidents in the workplace.

• Key elements of TPM include autonomous maintenance,...read more
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Q2. What is the basics of 5s
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5S is a methodology for organizing a workplace, especially a shared workplace, to improve efficiency and effectiveness by eliminating waste and creating a clean and organized environment.
• Sort: Separate necessary items from unnecessary items and remove clutter.

• Set in Order: Organize necessary items in a logical and efficient manner.

• Shine: Clean and inspect the work area regularly to maintain cleanliness and identify iss...read more
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