Tata Boeing Aerospace QC Executive Interview Questions and Answers

National Education Policy

Q1. Work Experience and Industry related Understanding
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Q1. Technical work in electrician
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Q2. Company name drdl
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DRDL stands for Defence Research and Development Laboratory.
• DRDL is a laboratory under the Defence Research and Development Organization (DRDO) in India.

• It is responsible for the research and development of technologies for the Indian Armed Forces.

• DRDL works on projects related to missiles, radars, electronic warfare systems, etc.
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Q3. Private private
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Q1. Technical work in electrical
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Quantitative Aptitude Tests, Picture Perception and Discussion Test

Psychological tests and group tests

Q1. Based on personal information
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Q1. What is 5s,describe
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5S is a methodology used to organize and maintain a clean and efficient workplace.
• 5S stands for Sort, Set in Order, Shine, Standardize, and Sustain.

• Sort involves removing unnecessary items from the workplace.

• Set in Order focuses on arranging necessary items in a logical and efficient manner.

• Shine involves cleaning and maintaining the workplace.

• Standardize establishes consistent processes and procedures.

• Sustain ensures ...read more
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Q1. What is power of transformer
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The power of a transformer refers to its ability to transfer electrical energy from one circuit to another.
• Power of a transformer is determined by the product of voltage and current in the primary and secondary coils.

• It is important for efficient energy transfer and voltage regulation.

• Transformers can step up or step down voltage depending on the turns ratio.

• Example: A transformer with a turns ratio of 1:2 will step up
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Q2. What is the unit for frequency
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The unit for frequency is Hertz (Hz).
• The unit for frequency is measured in Hertz (Hz)

• Frequency is the number of occurrences of a repeating event per unit of time

• For example, if a wave completes 10 cycles in 1 second, its frequency is 10 Hz
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Q1. Aircraft Electrical System. How to improve flight safety and FOD free Flying Zone
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Improving flight safety and FOD free flying zone in aircraft electrical system
• Regular maintenance and inspection of electrical components

• Installation of FOD barriers and screens

• Proper training of maintenance and ground crew to prevent FOD

• Implementation of strict FOD prevention procedures

• Use of advanced technology to detect and prevent FOD

• Regular training of pilots to handle electrical system failures
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Q2. How to Minimize costs
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Minimizing costs can be achieved through various methods.
• Identify areas where costs can be reduced without affecting quality

• Negotiate with suppliers for better prices

• Implement cost-saving measures such as energy-efficient equipment

• Reduce waste and optimize resources

• Outsource non-core functions to reduce overhead costs
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How to Make Aircraft Safe for Flying

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. 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
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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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