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Hindustan Zinc Instrument Engineer Interview Questions, Process, and Tips
Hindustan Zinc Instrument Engineer Interview Experiences
1 interview found
Interview Questionnaire
4 Questions
- Q1. What is the diffrence between RTD and thermocouple?
- Ans.
RTD measures temperature using resistance while thermocouple uses voltage difference.
RTD has higher accuracy and stability than thermocouple.
RTD is more expensive than thermocouple.
RTD is suitable for precise temperature measurement while thermocouple is better for high temperature measurement.
RTD has a linear relationship between resistance and temperature while thermocouple has a non-linear relationship.
Examples of R...
- Q2. How we know the RTD showing correct temperature only use multimeter ?
- Ans.
Correct temperature indication by RTD can be verified using multimeter.
Check the resistance value of RTD using multimeter and compare it with the standard resistance-temperature chart.
Ensure that the RTD is properly connected to the measuring instrument and there are no loose connections.
Perform a calibration check periodically to ensure accurate temperature measurement.
Use a reference thermometer to cross-check the te...
- Q3. Can we use 0-10 v in plc?
- Ans.
Yes, 0-10 V can be used in PLC as an analog input or output signal.
PLCs typically have analog input and output modules that can handle 0-10 V signals.
The signal can be used to measure or control variables such as temperature, pressure, or flow.
The resolution and accuracy of the signal depend on the PLC and the analog module used.
Some PLCs may require additional scaling or conversion of the signal to match the desired r...
- Q4. What is dry and wet wiring in plc ?
- Ans.
Dry wiring refers to wiring without any external protection, while wet wiring involves the use of protective coatings or materials.
Dry wiring is typically used in low-risk environments where there is no chance of moisture or other contaminants damaging the wiring.
Wet wiring is used in high-risk environments where moisture or other contaminants are present, such as in chemical plants or outdoor installations.
Examples of...
Interview Preparation Tips
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Assistant Manager Interview Questions & Answers
Vedanta Resources
Aditya Sharma
posted on 19 May 2017
I was interviewed in Oct 2016.
Interview Questionnaire
6 Questions
- Q1. Introduce yourself.
- Ans.
Experienced retail professional with strong leadership skills and a passion for customer service.
Over 5 years of retail management experience
Proven track record of increasing sales and improving customer satisfaction
Strong leadership and team-building skills
Passionate about providing excellent customer service
Bachelor's degree in Business Administration
- Q2. How is alumina obtained from bauxite?
- Ans.
Alumina is obtained from bauxite through the Bayer process.
Bauxite is crushed and mixed with sodium hydroxide to form a slurry.
The slurry is heated and pressurized in a digester to dissolve the alumina content.
The resulting solution is cooled and filtered to remove impurities.
The purified solution is then heated to precipitate the alumina as a white powder.
The alumina powder is washed, dried, and calcined to produce pu...
- Q3. Reaction for Al extraction from alumina.
- Ans.
The reaction for Al extraction from alumina involves the reduction of alumina using carbon or electrolysis.
Alumina (Al2O3) is first converted into aluminum chloride (AlCl3) by reacting with hydrochloric acid.
The aluminum chloride is then reduced to aluminum metal by either carbon reduction or electrolysis.
In carbon reduction, carbon (usually in the form of coke) is heated with the aluminum chloride to produce aluminum ...
- Q4. Stainless steel production.
- Q5. Types of cast iron.
- Ans.
There are four main types of cast iron: gray iron, white iron, ductile iron, and malleable iron.
Gray iron is the most common type and has excellent castability and good machinability.
White iron is very hard and brittle, often used for wear-resistant applications.
Ductile iron has high strength and ductility, making it suitable for a wide range of applications.
Malleable iron is heat-treated to improve its strength and du
- Q6. Location constraints and little info about family.
Interview Preparation Tips
Experience: Basic Aptitude and Verbal Test - Easy Questions
Tips: Improve Speed and Accuracy
Duration: 30 minutes
Total Questions: 35
Round: Group Discussion
Experience: Two sects formed; one supporting the argument and other opposing it. Wage gap, Indian Mine Law, social pressure, patriarchal mentality and crime against women were discussed.
Tips: Communication skills are more important than content. Show confidence and speak fluently. Factual and grammatical errors can be ignored.
Duration: 15 minutes
Round: Technical + HR Interview
Experience: They were chilled out and were giving time to speak. Little hints were also being given.
Tips: Be thorough with basics and don't give nonsensical answers if you don't know.
Skills: Technical Knowledge(ML
College Name: NIT Raipur
Assistant Manager Interview Questions & Answers
Steel Authority Of India
Anonymous
posted on 27 Apr 2024
Selected
I was interviewed before Apr 2023.
Debate on multiple topics
(1 Question)
- Q1. Questions related to Operation Research
Come out with a conclusion and solutions to a problem
(1 Question)
- Q1. About previous experience, challenges and accolades.
I applied via Campus Placement and was interviewed before Aug 2022. There were 3 interview rounds.
Prepare the core subjects som Thermo fluids and asked some of the manufacturing process
How we can reduce the use of non renewable resources
(2 Questions)
- Q1. Hooks law, modulus of rigidity,stress strain curve
- Q2. About your industrial training
Ravi Rajput IITD
Selected
I applied via Company Website and was interviewed in Sep 2023. There were 3 interview rounds.
GD was on the topic of steel policy of india.
(1 Question)
- Q1. Simple basic hr questions
Interview Preparation Tips
Selected
Basic exam with some technical questions
Group of 6 were given a topic and we discussed.
(2 Questions)
- Q1. Difference between structural bridge and concrete bridge?
- Ans.
Structural bridges can be made of various materials while concrete bridges specifically use concrete as the primary material.
Structural bridges can be made of steel, wood, or other materials, while concrete bridges are primarily made of concrete.
Concrete bridges are known for their durability and strength, making them a popular choice for infrastructure projects.
Structural bridges may require more maintenance and upkee...
- Q2. Howrah bridge structure?
- Ans.
The Howrah Bridge is a cantilever bridge that spans the Hooghly River in West Bengal, India.
Built in 1943, it is one of the busiest bridges in the world, carrying over 100,000 vehicles and countless pedestrians daily.
The bridge does not have any nuts or bolts and is held together by rivets.
It is a famous landmark in Kolkata and is often referred to as the 'Gateway of Kolkata'.
Interview Preparation Tips
(2 Questions)
- Q1. Are you comfortable relocating to offbeat/ remote locations ?
- Q2. Tell me something about yourself ?
(1 Question)
- Q1. Tell me about Projects
Selected
I applied via Recruitment Consulltant and was interviewed before Jun 2023. There was 1 interview round.
(2 Questions)
- Q1. Study your CV throughout
- Q2. All questions are very basic
Interview Preparation Tips
Assistant Manager Interview Questions & Answers
Hindalco Industries
Rajesh Mahalingam
posted on 3 Feb 2025
Selected
I was interviewed before Feb 2024.
This is a basic 10th-grade level aptitude test; if you have prepared for the CAT or XAT exams, it should be quite easy for you.
Current topics related to your field of study or the job for which you have applied; I was campus placed, and therefore, this round was part of the selection process. For lateral entries, a direct interview occurs after your resume has been shortlisted.
(4 Questions)
- Q1. Tell me something about yourself?
- Q2. What are the material topics under the umbrella for Hindalco? Can you propose a method to solve 3 of the top material topics?
- Ans.
Material topics under the umbrella for Hindalco and proposed solutions
Material topics for Hindalco may include sustainability, environmental impact, and supply chain management
Proposed solutions could involve implementing renewable energy sources, reducing waste generation, and optimizing logistics for efficiency
Engaging with stakeholders, conducting regular audits, and investing in technology for sustainable practices
- Q3. A case study will be presented on the go to you. You'll have to answer a couple of questions based on your understanding of the issue. The case will be presented in a descriptive form from one of the panel...
- Q4. Some more technical questions related to your field of study/ Job description
Interview Preparation Tips
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Hindustan Zinc Instrument Engineer Reviews and Ratings
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