Nalco
10+ Technosoft Engineering Projects Limited Interview Questions and Answers
Q1. What are the subjects in 4th Sem of BTech in your branch.
The subjects in the 4th semester of BTech vary depending on the branch.
Some common subjects in the 4th semester of BTech include Data Structures, Digital Electronics, Signals and Systems, and Electromagnetic Theory.
For example, in the Computer Science branch, subjects like Database Management Systems and Operating Systems may be included.
In the Mechanical Engineering branch, subjects like Fluid Mechanics and Thermodynamics may be part of the 4th semester curriculum.
The specif...read more
Q2. What is CRO and it works? What is voltmeter, ammeter, potentiometer, rectifier and does it works with an example.
CRO stands for Cathode Ray Oscilloscope. It is an electronic device used to visualize and analyze electrical signals.
CRO is used to display waveforms and measure voltage, frequency, and time intervals.
It works by generating an electron beam that is deflected by the input signal and displayed on a screen.
CROs are commonly used in electronics, telecommunications, and engineering fields.
Example: A CRO can be used to analyze the waveform of an audio signal to check for distortion...read more
Q3. Tell me something about NALCO and what is the procedure to produce alluminium
NALCO is a leading aluminium producer. The procedure to produce aluminium involves several steps.
NALCO is short for National Aluminium Company Limited.
It is a public sector enterprise in India.
NALCO is involved in the mining, refining, and smelting of bauxite to produce aluminium.
The procedure to produce aluminium includes mining bauxite, refining it into alumina, and then smelting alumina to obtain aluminium metal.
Bauxite is first mined from open-pit mines and then transport...read more
Q4. What are the statutory compliance to be followed for listed entities quarterly and Annully.
Listed entities need to follow various statutory compliance quarterly and annually.
Filing of quarterly and annual financial statements with stock exchanges
Compliance with SEBI regulations and guidelines
Appointment of independent directors and audit committee members
Conducting board meetings and AGMs within prescribed timelines
Disclosure of material events and related party transactions
Compliance with Companies Act, 2013 and other applicable laws
Maintaining proper books of acc...read more
Q5. What were the reasons for decrease of turnover and Profit between for FY 20-21 and 19-20 of NALCO
NALCO's turnover and profit decreased in FY 20-21 compared to 19-20. Reasons are...
COVID-19 pandemic affected demand and supply chain
Decrease in global aluminum prices
Shutdown of one of the company's smelter units for maintenance
Increase in expenses due to safety measures and employee welfare
Decrease in production due to labor shortage and transportation issues
Q6. Why is the frame of bicycle hollow
The frame of a bicycle is hollow to reduce weight and increase maneuverability.
Hollow frame reduces weight and makes it easier to handle
Allows for better shock absorption
Enables internal cable routing for a cleaner look
Examples of materials used for hollow frames include aluminum, carbon fiber, and titanium
Q7. Tell us about tenders if you are aware and have you done GeM procurement.
Tenders are formal offers or proposals for goods or services, GeM procurement is the Government e-Marketplace for online procurement.
Tenders are formal documents inviting suppliers to bid for the supply of goods or services.
GeM procurement is the Government e-Marketplace where government organizations can procure goods and services online.
I have experience in participating in tender processes and using GeM for procurement.
For example, I have successfully bid for a government ...read more
Q8. How to extract aluminium from bauxite
Aluminium is extracted from bauxite through the Bayer process which involves crushing, digestion, precipitation, and calcination.
Bauxite is first crushed into small pieces
The crushed bauxite is then mixed with a hot caustic soda solution in a digester vessel
The resulting slurry is filtered to remove impurities
The filtered solution is then cooled and aluminium hydroxide is precipitated
The precipitated aluminium hydroxide is then heated to produce alumina
Finally, the alumina is...read more
Q9. What is steel ,what is cast iron,difference between steel and cast iron
Steel and cast iron are both alloys of iron, but with different carbon content and properties.
Steel is an alloy of iron and carbon, with a carbon content of less than 2%. It is stronger, more ductile, and more malleable than cast iron.
Cast iron is an alloy of iron, carbon, and silicon, with a carbon content of 2-4%. It is more brittle and less malleable than steel.
Steel is used in construction, machinery, and tools, while cast iron is used in pipes, engine blocks, and cookwar...read more
Q10. Deductions under chapter VI A -80JJAA, 80CCD
Deductions under chapter VI A -80JJAA, 80CCD
Chapter VI A of the Income Tax Act provides for various deductions from gross total income.
Section 80JJAA provides for deduction in respect of employment of new employees.
Section 80CCD provides for deduction in respect of contribution to pension scheme.
The maximum deduction under section 80JJAA is Rs. 30,000 per employee.
The maximum deduction under section 80CCD is Rs. 1.5 lakh.
These deductions help in reducing the taxable income of...read more
Q11. What are the inputs for blast furnace
Inputs for blast furnace include iron ore, coke, limestone, and hot air.
Iron ore is the primary input and is usually in the form of hematite or magnetite
Coke is a fuel used to heat the furnace and is made from coal
Limestone is added to remove impurities and create slag
Hot air is blown into the furnace to increase the temperature
Other inputs may include scrap metal, fluxes, and additives
Q12. What are the laws of thermodynamics,what is entropy
The laws of thermodynamics describe the behavior of energy in a system. Entropy is a measure of the disorder or randomness in a system.
The first law states that energy cannot be created or destroyed, only transferred or converted.
The second law states that the total entropy of a closed system will always increase over time.
The third law states that as temperature approaches absolute zero, the entropy of a system approaches a minimum.
Entropy is a measure of the number of possi...read more
Q13. How many departments in nalco?
There are 9 departments in NALCO.
Finance
Human Resources
Marketing
Production
Research and Development
Quality Control
Supply Chain Management
Information Technology
Legal and Compliance
Q14. WHAT IS SHARE AND DEBENTURE ?
Shares and debentures are financial instruments used by companies to raise capital from investors.
Shares represent ownership in a company and give the shareholder voting rights and a share in profits.
Debentures are a type of bond that companies issue to raise funds. They pay a fixed rate of interest and have a maturity date.
Shares are riskier than debentures as their value can fluctuate based on market conditions and company performance.
Debentures are considered less risky as...read more
Q15. What's technical?
Technical refers to anything related to technology, machinery, or specialized knowledge and skills.
Involves understanding and working with technology or machinery
Requires specialized knowledge and skills
Can include programming, engineering, IT, etc.
Q16. Full from of plc?
PLC stands for Programmable Logic Controller.
PLC is a digital computer used for automation of electromechanical processes.
It is designed to control machinery and processes in industries.
PLCs are used in various applications such as manufacturing, power plants, and transportation systems.
They can be programmed to perform specific tasks and respond to inputs from sensors and other devices.
Examples of PLC manufacturers include Siemens, Allen-Bradley, and Mitsubishi Electric.
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